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Home My WebLink AboutEIA 12-01; Vancouver Street HDD Sewer EIA Appendix B; _N/AAPPENDIX B BIOLOGICAL RESOURCES TECHNICAL REPORT BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD SAN DIEGO COUNTY, CALIFORNIA Submitted to Mark Biskup City ofCarlsbad 1635 Faraday Avenue Carlsbad, Califomia 92008-73144 Prepared by LSA Associates, Inc. 703 Palomar Airport Road, Suite 260 Carlsbad, Califomia 92011 (760) 931-5471 LSA ProjectNo. HCR1103 LSA August 2011 Updated February 2012 TABLE OF CONTENTS INTRODUCTION 1 SITE DESCRIPTION AND HISTORY 1 PROPOSED PROJECT 1 REGULATORY SETTING 5 United States Army Corps of Engineers 5 Regional Water Quality Control Board 6 United States Fish and Wildlife Service 6 Califomia Department of Fish and Game 7 Nesting Birds 7 Natural Community Conservation Plans 8 Habitat Management Plan for Natural Communities in the City of Carlsbad 8 SURVEY METHODS AND LIMITS 9 Literature Review and Records Search 9 General Reconnaissance Survey and Vegetation Mapping 9 RESULTS ; 10 Vegetation Mapping 10 Inventory of Plants and Wildlife 12 Special-Status Species 12 Jurisdictional Delineation 13 Habitat Fragmentation and Wildlife Movement 14 IMPACTS 17 Temporary Impacts 17 Permanent Impacts 17 Indirect Impacts 17 Direct Impacts 17 Impacts to Jurisdictional Waters 19 RECOMMENDATION 20 CONCLUSION 21 REFERENCES 22 3/5/2012 (P:\HCR1103-Vancouver Street Sewei\Bio Resources\Biological Resources Report.doc) FIGURES, TABLES, AND APPENDICES FIGURES Figure 1: Project Location 3 Figure 2: Habitat Management Plan Location 4 Figure 3: Vegetation Communities Map 11 Figure 4: Jurisdictional Areas 16 Figure 5: Project Footprint 18 TABLES Table A: Califomia Rare Plant Rank Designations 9 Table B: Summary of Vegetation Communities within the Project Limits 10 Table C: Summary of Potential Jurisdiction 14 Table D: Impacts to Vegetation Communities (acres) 19 APPENDICES A: JURISDICTIONAL DELINEATION B: SPECIAL-STATUS SPECIES SUMMARY C: VASCULAR PLANT SPECIES OBSERVED D: WILDLIFE SPECIES OBSERVED 3/5/2012 (P:\HCR1103-Vancouver Street Sewer\Bio Resources\Biological Resources Report,doc) LSA ASSOCIATES, INC. BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITV OF CARLSBAD, CALIFORNIA INTRODUCTION Under contract with the City of Carlsbad (City), LSA Associates, Inc. (LSA) performed a biological resources analysis of a 2.8I8-acre project study area, which includes a 25-foot buffer on either side of a proposed sewer alignment. The analysis included a general reconnaissance survey, vegetation mapping, and a formal jurisdictional delineation to define any areas potentially subject to the jurisdiction of resource agencies. This report presents LSA's conclusions regarding biological resources present within project study area, and its potential to support special-status species. A separate jurisdictional delineation report (Appendix A) presents the findings of the jurisdictional delineation. This report has been prepared pursuant to the Califomia Environmental Quality Act (CEQA) and addresses the requirements of the Federal Endangered Species Act (FESA) of 1973, the Federal Clean Water Act (CWA), the Califomia Fish and Game Code, the Califomia Endangered Species Act (CESA), and the City Habitat Management Plan (HMP) for Natural Communities in the City of Carlsbad (HMP). This report has been prepared for use by the United States Army Corps of Engineers (Corps), the Regional Water Quality Control Board (RWQCB), the Califomia Department of Fish and Game (CDFG), and the United States Fish and Wildlife Service (USFWS) as part of their reviews of applications for permit authorization, as necessary. All biological surveys referenced in this report were conducted under contract to the City by LSA. The findings and conclusions presented in this report represent the professional opinion of LSA. These findings and conclusions should be considered preliminary until verified by the appropriate regulatory agencies. SITE DESCRIPTION AND HISTORY The project site is located between Vancouver Street and Via de Canto Road, off Carlsbad Village Drive in the City of Carlsbad, San Diego County, Califomia, on the United States Geological Survey (USGS) San Luis Rey, California 7.5-minute topographical quadrangle map (Figure 1). Specifically, the project is located in an unsectioned portion of the Agua Hedionda Land Grant. The project study area is located on fiat land to moderate and steep slopes on City-owned property. The surrounding area consists of undeveloped open space to the north and south, and residential development to the west and east. The area is further surrounded by undeveloped open space east of Vancouver Street. Portions of the project are contained within the Hardline Preserve according to the HMP (Figure 2). PROPOSED PROJECT The City proposes to extend an existing sewer line from a segment of Vancouver Street to Via de Canto within the City. The sewer line will be installed using horizontal directional drilling (HDD) techniques through open space and passive recreational areas (including Hidden Canyon Community Park). Staging areas for equipment will be located within the roadway on Vancouver Street. The proposed drilling technique will largely avoid potentially sensitive habitat types and areas potentially subject to water resource agency jurisdiction (i.e.. Corps, RWQCB, and CDFG jurisdictional areas) on the ground surface. However, assessment of impacts to potentially sensitive resources and 3/5/2012 (P:\HCRi 103-Vancouver Streel Sewer\Bio Resources\Biological Resources Report,doc) LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARV 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA discussion of associated project features or mitigation measures (depending upon the CEQA process) will be included in the biological assessment as described below. 3/5/2012 (P:\HCR1103-Vancouver Street SewerVBio Resources\Biological Resources Report,doc) LSA FEET LEGEND m Project Location FIGURE 1 1000 2000 SOURCE: USGS 7,5' Quad - San Luis Rey (1975), CA Vancouver Street Sewer Extension Project Location IAHCR1103\GIS\Fig 1 Proj Loc.mxd (9/2/2011) Project Location LSA LEGEND 1 1 Project Location Existing Hardline Conservation Areas I 6 I Local Facilities Management Zones FIGURE 2 3100 6200 FEET SOURCE: City ofCarlsbad (2011) Vancouver Street Sewer Extension Habitat Management Plan Location R:\HCR 1103\G1S\HMP Location.mxd (6/27/2011) LSA ASSOCIATES, INC. BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA REGULATORY SETTING United States Army Corps of Engineers Pursuant to Section 404 of the CWA, the Corps regulates discharges of dredged or fill material into waters of the United States. These waters include wetlands and nonwetiand bodies of water that meet specific criteria, as outlined in the guidelines provided in the Corps 1987 Manual and founded on a connection, or nexus, between the water body in question and interstate commerce. The following definition of waters of the United States is taken from the discussion provided at 33 CFR 328.3: "The term waters of the United States means: (1) All waters which are currently used, or were used in the past, or may be susceptible to use in interstate or foreign commerce...; (2) All interstate waters including interstate wetlands; (3) All other waters such as intrastate lakes, rivers, streams (including intermittent streams) ... the use, degradation or destruction of which could affect interstate or foreign commerce ...; (4) All impoundments of waters otherwise defined as waters of the United States under the definition; and (5) Tributaries of waters defined in paragraphs (a) (l)-(4) of this section." The Corps and Environmental Protection Agency (EPA) define wetlands as follows: "Those areas that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted to life in saturated soil conditions." In order to be considered a jurisdictional wetland under Secfion 404, an area must possess three wetland characteristics: hydrophytic vegetation, hydric soils, and wefiand hydrology. Each characteristic has a specific set of mandatory criteria. In 2006, the United States Supreme Court further considered the Corps jurisdiction of "waters of the United States" in the consolidated cases Rapanos v. United States and Carabell v. United States (126 S. Ct. 2208), collectively referred to as Rapanos. The Supreme Court concluded that wetlands are "waters of the United States" if they significantly affect the chemical, physical, and biological integrity of other covered waters more readily understood as navigable. On June 5, 2007, the Corps issued guidance regarding the Rapanos decision. This guidance states that the Corps will continue to assert jurisdiction over traditional navigable waters, wetlands adjacent to traditional navigable waters, relatively permanent nonnavigable tributaries that have a continuous fiow at least seasonally (typically three months), and wetlands that directly abut relatively permanent tributaries. The Corps also will determine jurisdicfion over waters that are not relatively permanent, nonnavigable tributaries, and over wetlands adjacent to nonnavigable tributaries that are not relatively permanent only after making a significant nexus finding. 3/5/2012 (P:\HCR1103-Vancouver Street Sewer\Bio Resources\Biological Resources Report doc) LSA ASSOCIATES, INC. BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Furthermore, the preamble to Corps regulations (Preamble Section 328.3, Definitions) states that the Corps does not generally consider the following waters to be waters of the United States. However, the Corps reserves the right to regulate these waters on a case-by-case basis: • Nonfidal drainage and irrigafion ditches excavated on dry land; • Artificially irrigated areas that would revert to upland if the irrigafion ceased; • Artificial lakes or ponds created by excavating and/or diking dry land to collect and retain water and used exclusively for such purposes as stock watering, irrigation, settling basins, or rice growing; • Artificial refiecfing or swimming pools or other small omamental bodies of water created by excavating and/or diking dry land to retain water for primarily aesthetic reasons; and • Water-filled depressions created on dry land incidental to constmction activity and pits excavated on dry land for purposes of obtaining fill, sand, or gravel unless and until the constmction or excavation operation is abandoned and the resulting body of water meets the definition of waters of the United States. Waters found to be isolated and not subject to CWA regulation may still be regulated by the RWQCB under the State Porter-Cologne Water Quality Control Act (Porter-Cologne). Regional Water Quality Control Board The RWQCB has regulatory authority over waters of the United States pursuant to CWA Section 401 and waters of the State pursuant to the Califomia Water Code Porter-Cologne Water Quality Control Act (Porter-Cologne). The Corps cannot issue authorization for fill or discharge into waters of the United States without a Certification or waiver of Water Quality from the RWQCB. Additionally, isolated nonnavigable waters and wetlands excluded from Corps jurisdiction are subject to RWQCB authority as waters of the State, and any discharge of waste (RWQCB considers fill to be waste) may require a Report of Waste Discharge and may be subject to Waste Discharge Requirements by the RWQCB, pursuant to Porter-Cologne. The RWQCB can require mitigafion measures beyond those required by the Corps or CDFG. United States Fish and Wildlife Service The FESA sets forth a two-tiered classification scheme based on the biological health of a species. Endangered species are those in danger of becoming extinct throughout all or a significant portion of their range. Threatened species are those likely to become endangered in the near future; Special Rules under FESA Section 4(d) can be made to address threatened species. Ultimately, the FESA attempts to bring populations of listed species to healthy levels so that they no longer need special protection. Section 9 of the FESA prohibits the "take" of listed species by anyone unless authorized by the USFWS. "Take" is defined as "conduct which attempts or results in the killing, harming, or harassing of a listed species." "Harm" is defined as "significant habitat modification or degradation where it 3/5/2012 (P:\HCR1103-Vancouver Street SeweABio Resources\Biological Resources Report doc) LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA actually kills or injures wildlife by significantly impairing essential behavior pattems, including breeding, feeding, or sheltering," "Harass" is defined as an "intentional or negligent act or omission which creates the likelihood of injury to wildlife by annoying it to such an extent as to significantly disrupt normal behavioral pattems, including breeding, feeding, or sheltering." Therefore, in order to comply with the FESA, any proposed project should be assessed prior to constmction to determine whether the project will impact listed species or, in the case of a Federal action on the project, designated critical habitats. If no Federal action is associated with the proposed project, and the project will result in take of listed species, authorization from the USFWS in the form of a Section 10(a) take permit and an accompanying HCP is required. If a Federal action exists and the project may affect listed species or designated crifical habitat, then pursuant to Section 7 of the FESA, consultation with the USFWS is required. That consultation can result in an incidental take authorization through a Biological Opinion. California Department of Fish and Game Section 1602 of the Califomia Fish and Game Code empowers CDFG to issue agreements for any aheration of a river, stream, or lake where fish or wildlife resources may be adversely affected. Streams (and rivers) are defined by the presence of a charmel bed and banks and at least an intermittent flow of water. The CDFG regulates wefiand areas only to the extent that those wetlands are part of a river, stream, or lake as defined by the CDFG. While seasonal ponds may be subject to CDFG jurisdicfion, if they are not associated with a river, stream, or lake, they are not subject to CDFG jurisdiction under Secfion 1602 of the Califomia Fish and Game Code. The CESA State Fish and Game Code (Secfions 2050-2098) was signed into law in 1984. Intended to parallel the Federal law, the CESA prohibits the unauthorized "take" of species listed as threatened or endangered under its provisions. However, a significant difference exists in the CESA definition of "take," which is limited to actually or attempfing to "hunt, pursue, capture, or kill." CESA provisions for authorization of incidental take include consultation with a State agency, board, or commission that is also a State Lead Agency pursuant to CEQA; authorization of other entifies through a Section 2081 permit; or adoption of a Federal incidental take authorization pursuant to Section 2081.1. Similar to the Federal act, acfions in compliance with the measures specified in the consultation process or Section 2081 permit are not prohibited. Nesting Birds The Migratory Bird Treaty Act (MBTA) regulations and portions of the Califomia Fish and Game Code prohibit the "take" of nearly all native bird species and their nests. While these laws and regulations originally were intended to control the intentional take of birds and/or their eggs and nests by collectors, falconers, etc., they can be applied to unintentional take (e.g., destroying an active nest by cutting down a tree). It is sometimes possible to obtain a permit for relocating or removing a nest. City of Carlsbad Zoning Ordinance 21.210.040 prohibits clearing or gmbbing of vegetation during wildlife breeding seasons. This includes birds and raptors. According to this ordinance, all construction activities are prohibited within 300 feet of an active nest or territory of a listed species. 3/5/2012 (P:\HCR1103-Vancouver Street Sewer\Bio ResourcesVBiological Resources Report,doc) LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITV OF CARLSBAD, CALIFORNIA Natural Community Conservation Plans In an effort to respond to growing concem over the conservation of coastal sage scmb and other special-status biological communities. Federal, State, and local agencies have developed a mulfispecies approach to habitat conservation planning known as the Natural Communities Conservation Planning process. This was made possible by legislation (Assembly Bill 2172) that authorized the CDFG to enter into agreements for the preparation and implementation of Natural Communities Conservation Plans (NCCPs). The USFWS joined in this effort, utilizing both the Section 4(d) Special Rule and the Habitat Conservation Plan (HCP) processes. The goal of the Natural Communities Conservation Planning program is to identify significantly important coastal sage scmb habitat and to develop ways and means to preserve and/or restore the ecological value of this and associated plant communities and their attendant special-status species in a rapidly urbanizing setting. The North County Multiple-Habitat Conservafion Program (MHCP) is a subregional Natural Communities Conservation Planning effort encompassing the land of seven member cities (Carlsbad, Encinitas, Escondido, Oceanside, San Marcos, Solana Beach, and Vista). The MHCP was developed by a cooperafive effort among the seven member cities and the San Diego Association of Govemments (SANDAG). The HMP is an important component to the future adoption of the MHCP that is specific to the City. Habitat Management Plan for Natural Communities in the City of Carlsbad The City HMP is a citywide, comprehensive program that provides for coordination with the resource agencies to preserve and protect special-status biological resources and habitats while allowing for development within the City consistent with the General Plan and Growth Management Plan. The HMP provides for the take of special-status species incidental to the implementation of private and public projects consistent with the HMP. These permits are issued under the FESA, the CESA, and the Califomia Natural Community Conservafion Planning Act. The City's Growth Management Plan divided the City into 25 Local Facilities Management Zones (LFMZ) for planning purposes. The project site is located within LFMZ 6. The project area is also located within an Existing Hardline Preserve Area, as shown in Figure 2. It is not located within any Focused Planning Areas (FPA), Standards Areas, Proposed Hardline Areas, or Exempted Areas. The HMP includes goals and policies as guidelines for development and conservation efforts within the City. The HMP assigns values and mitigation ratios for habitat groups and types that occur within the City. Development located within an Existing Hardline Preserve Area is prohibited; however, exceptions may be processed as minor or major amendments. Additionally, some management activities may be consistent with the HMP, such as hydrology and flood control, as long as they do not affect habitat or species. A minor amendment includes minor adjustments to hardline boundaries that result in no net loss of the quality or quantity of habitat. Major amendments are required if lands are removed from conserved areas or if a hardline boundary adjustment results in a net loss of habitat or reduction in habitat quality (City of Carlsbad 2008). Appendix B of the HMP lists City projects that are covered by the City Land Mitigation Bank (Lake Calavera mitigation parcel). Because this is an infrastmcture improvement project, mitigation, if necessary, may be available through the City Land Mitigation Bank at the discretion of City Planning staff. 3/5/2012 (P:\HCRI 103-Vancouver Street Sewer\Bio ResourceslBiological Resources Report.doc) LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA SURVEY METHODS AND LIMITS Literature Review and Records Search Prior to conducting fieldwork, LSA biologists conducted a literature review and database records search on May 17, 2011, to identify the existence or potential occurrence of special-status plant and animal species in or within the vicinity of the project study area. Results of the records search are evaluated in Appendix B. LSA conducted record searches in the Califomia Natural Diversity Data Base (CNDDB) and Califomia Nafive Plant Society's (CNPS) electronic databases for species expected to occur within the vicinity of the project study area. Current electronic database records reviewed by LSA included the following: • CNDDB information (i.e., RareFind 3.1.0), administered by the CDFG. This database covers lists of special-status animal and plant species, as well as sensitive natural communities that occur within Califomia. • CNPS Electronic Inventory of Rare and Endangered Vascular Plants of Califomia (Skinner and Pavlik 1994), ), which identifies four specific designations or ranks identified by the Califomia Rare Plant Rank (CRPR) of special-status plant species and summarizes regulations that provide for the conservation of special-status plants (see Table A). The following quote is excerpted from the CDFG Califomia Natural Diversity Database Special Vascular Plants, Bryophytes, and Lichens List (April 2011): "Taxa which meet the criteria for listing, even if not currently included on any list, as described in Secfion 15380 of the Califomia Environmental Quality Act (CEQA) Guidelines; these taxa may indicate "None" under listing status, but note that all CNPS List 1 and 2 and some List 3 and 4 (now known as Califomia Rare Plant Ranks 1 lA, IB, 2, 3 and 4) plants may fall under Sectionl5380 of CEQA." Table A: California Rare Plant Rank Designations Rank Classification lA Presumed extinct in Califomia IB Rare or endangered in Califomia and elsewhere 2 Rare or endangered in Califomia, more common elsewhere 3 Need more information 4 Plants of limited distribution General Reconnaissance Survey and Vegetation Mapping Field maps of the areas to be surveyed were prepared, including a 2010 aerial photograph base overlaid with preliminary project boundaries provided by the City at a scale of 1 inch = 50 feet. LSA Biologists Jaime Morales and Dan Rosie conducted a general recormaissance survey of the site on May 26, 2011, to assess the existing habitat, idenfify potentially suitable habitat for special-status species, and determine whether focused surveys for special-status species are warranted. Vegetation communities on site were recorded on a field map and digitized using Geographic Informafion 3/5/2012 (P:\HCR1103-Vancouver Street Sewer\Bio Resources\Biological Resources Report doc) LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Systems (GIS) software. These communities were classified according to the HMP vegetation descriptions. Species-specific focused surveys were not conducted during the general recormaissance survey; however, there is suitable habitat on site to support special-status species (discussed further in Appendix B). RESULTS Vegetation Mapping Six vegetation communities and/or land uses were identified and recorded within the project study area using the HMP vegetation classifications. Table B provides the acreage of each community in the project study area. The vegetafion communifies are described in further detail below and are illustrated in Figure 3. Vascular plant species observed on site are listed in Appendix C. Table B: Summary of Vegetation Communities within the Project Limits Vegetation Community Area (acres) Diegan Coastal Sage Scrub 0.102 Non-Native Grassland 0.409 Disturbed Areas 0.211 Ornamental/Landscape Vegetation 0.755 1 Bare Ground 0.079 Developed 1.262 Total Project Study Area' 2.818 Total may not equal sum due to rounding. Diegan Coastal Sage Scrub. Two patches of Diegan coastal sage scmb occur south of Hidden Canyon Community Park and immediately east of Via de Canto Road. In the project study area, this community is dominated by coyote bmsh {Baccliaris pilularis), deer weed {Lotus scoparius), Califomia everlasting {Gnapltalium califomicum), bicolor cudweed {Gnaphalium bicolor), Califomia encelia {Encelia californica), black sage {Salvia mellifera), and Califomia sagebmsh {Artemisia californica). Non-native species such as Canadian horseweed {Conyza canadensis), black mustard {Brassica nigra), bristly ox-tongue {Pieris echioides), and prickly sow thistle {Sonchus asper) were observed interspersed within the Diegan coastal sage scmb observed on site. Non-Native Grassland. A large concentration of non-native grassland occurs in the undeveloped area between the park and Via de Canto Road. In the project study area, this community is dominated by soft chess {Bromus hordeaceous), wild oat {Avena fatua), rat-tail fescue {Vulpia myuros), bristly ox-tongue, common sow thistle {Sonchus oleraceus), and prickly lettuce {Lactuca serriola). Disturbed Areas. This designation applies to areas that have been repeatedly disturbed by human activity and have been colonized by non-native plants. This classification is not included in the HMP classificafion scheme. In the project study area, this community is dominated by black mustard, rip 3/5/2012 (P:\HCR1103-Vancouver Street Sewer\Bio Resources\Biological Resources Report,doc) 10 LSA -EGEND Stud: Area Vegelalion Normative Grassland I Bare Ground SOURCE Bing Map* : Ornai^ienyi^ f^.'OB). Cit\- ofC«d»twl (4-2011). SanGIS and USDA SCS (3 2002|_ I Coastal Sage Scrub F X A Carlsbad gravelly loamy sand, 5 to 9 percent slopes (CbC) Developed |\ 1 Dtablo clay. 15 to 30 percent slopes, eroded (DaE2) Disturbed _ j | Diablo clay, 30 to 50 percent slopes (DaF) L\/1 Salinas clay loam, 2 lo 9 percent slopes (SbC) Map Index FIGURE 3 Sheet 1 of 2 Vancouver Streel Sewer Extension Project Vegetation Communities and Soils I; HCRU03.GiS VEii'^ r LSA I 37 5 75 LEGEND Studj" Area Vegetation I Nonnative Grassland I Bare Ground Coastal Sage Scrub [ / A Carlsbad gravelly loamy sand, 5 to 9 percent slopes (CbC) Developed IX, 1 Diablo clay, 15 to 30 percent slopes, eroded (DaE2) Disturbed I 1 DiaWo clay. 30 lo 50 percent slopes (DaF) Omamental Salinas clay loam, 2 to 9 percent slopes (SbC) SOURCE Bmg Maps [c 21X)X|, (. iiy ol Caiisbad (4 2011). SanGIS anJ I \>iD.\ SCS (3/2O02| I: .HCR1103\GIS.VEG mxd 19/22011) Map Index V FIGURE 3 Sheet 2 of 2 -©-»• Vancouver Street Sewer Extension Project Vegetation Communities and Soils LSA ASSOCIATES, INC. BIOLOGICAL RESOURCES REPORT FEBRUARV 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA gut grass {Bromus diandrus), Italian thistle {Carduus pycnocephalus), rabbitfoot grass {Polypogon monspeUensis), fennel {Foeniculum vulgare), red brome {Bromus madritensis), tocalote {Centaurea melitensis), and prickly sow thistle. Ornamental/Landscape Vegetation. This classification is not included in the HMP classification scheme. In the project study area, this designation applies to areas inhabited by naturalized omamental/landscape species and is dominated by Brazilian pepper tree {Schinus terebinthifolius), acacia {Acacia sp.), eucalyptus {Eucalyptus sp.), sea lavender {Limonium sp.), pine sp., cactus spp., and ngaio {Myoporum laetum). Bare Ground. Within the project study area, the bare ground designafion applies to any undeveloped, unvegetated ground. Developed. This designation applies to any areas that consist of development, such as paved roads (Vancouver Street and Via de Canto Road), the park parking lot, and the concrete walkway in the park. Inventory of Plants and Wildlife Lists of observed vascular plants and wildlife species can be found in Appendices C and D, respectively. Observed plants included many non-native species as well as components of Diegan coastal sage scmb. Wildlife observed in the project study area consisted of species commonly found in the vegetation communities described above. Special-Status Species Special-status species include "listed species," which are termed threatened, endangered, or candidate by the USFWS or CDFG, as well as "nonlisted species." Nonlisted special-status species include Califomia Species of Concem (CSC) and Califomia Fully Protected (CFP) species, as designated by the CDFG, as well as plant species in the HMP, and CRPR Ranks 1 and 2, which include species that are rare or endangered in Califomia. The CDFG maintains addifional information for species with the designation of "Special Animal" (SA) and "Special Plant" (SP). This designation does not afford specific protection for the species and is not an indicator of rarity of the species. Additionally, the CRPR maintains Rank 3 (species about which more information is needed) and Rank 4 (a watch list). These lists also do not afford any specific protection or status to the species. These species are not considered special-status species, but known and probable occurrences of SA species and observafions of CRPR Rank 3 and Rank 4 species are documented in this report for purposes of full disclosure under CEQA. Appendix B provides a summary of information regarding the species identified from literature sources and field observafions during the May 2011 survey as having a moderate or higher potential to occur in the project vicinity. For a complete list of the special-status species that were considered, including those 3/5/2012 (P;\HCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report doc) 12 LSA ASSOCIATES. INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD. CALIFORNIA with a low potential to occur, refer to Appendix B. They are addressed in this particular analysis based on the habitat types present in the immediate project study area. Each special-status species with the potential to be present in the project vicinity and project site is discussed. The potential for special-status species to occur within the project site was ranked as absent, low, moderate, high, or present. The occurrence potential was determined using the following criteria: Absent This ranking refers to plant species that are perennial, obvious, and were not observed on the project site; and animal species that would not occur within the habitat on site. Low Existing populations are not known to occur near the site, and any potential habitat is of marginal quality; or the species is known to occur near the site but suitable habitat is not present on site. This category also applies to bird species that migrate through the project site, but would not be present during the nesting season (or for which no suitable nesting habitat is present), and for species with moderate potential to occur but were not detected during focused surveys. Moderate The species is not known to occur near the site, but suitable habitat is present within or near the project site. High The species is known to occur near the site, and suitable habitat occurs within the project site. Present The species is reported by natural resource agencies as present within the project site, and suitable habitat is found to occur within the project site, or the species was observed during the survey. The designation "Foraging Birds Present" indicates species that were observed on the site, but are not expected to nest on the site. No special-status species were observed in or near the project study area. Special-status wildlife species with the potential to occur on site due to the presence of suitable habitat within the project area include coastal Califomia gnatcatcher {Polioptila californica californica). This species relies on coastal sage scmb habitat, and approximately 0.102 acre of coastal sage scmb is present within the project study area. Coastal sage scmb habitat requires 2:1 mitigation for areas occupied by the coastal Califomia gnatcatcher and 1:1 for unoccupied coastal sage scmb. Mitigation ratios required by the HMP for all habitat types in the project area are discussed under "Impacts" below. Jurisdictional Delineation The two concrete-lined v-ditches located within the study area, which convey fiows during storm events (ephemeral) and as a result of nuisance mnoff, are tributary to the Pacific Ocean (a Traditional Navigable Water [TNW] of the U.S.). Because ofthe direct connection of storm drain systems with the Pacific Ocean, these features are potentially subject to Corps jurisdiction to the OHWM under Section 404 of the CWA. The channels of these features show evidence of an OHWM by the presence of watermarks. 3/5/2012 (P:\HCRn03-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) 13 LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT C ITY OF CARLSBAD, CALIFORNIA Potential CDFG jurisdiction extends to the top lip on either side ofthe concrete-lined v-ditches. All of the areas in the study area satisfying the Corps jurisdictional criteria for waters of the U.S., as described above would also be subject to potential CDFG jurisdiction. Figure 4 depicts the potential jurisdictional areas within the study area. The jurisdictional delineation report is attached as Appendix A. The project does not involve any discharges of dredged or fill material into waters of the United States. The project is not subject to regulafion pursuant to Section 404 of the CWA. Corps jurisdiction is therefore not analyzed in this assessment. Because the project does not involve any discharge into a navigable water or the need for a Secfion 404 Permit from the Corps, the project is not subject to Section 401 of the CWA and RWQCB regulatory requirements are not included in this assessment. Table C shows the acreages of jurisdictional areas mapped in the project area. Table C: Summary of Potential Jurisdiction Agency Total (Acres) Corps Wetland Waters 0.000 Corps Nonwetiand Waters 0.002 CDFG Jurisdictional Area 0.006 The drainage channel within the project study area and associated riparian vegetation meet the CDFG definition of a streambed. LSA biologists assumed the limits of the disturbed tamarisk scmb associated with the drainage channel to map the extent of potential CDFG jurisdiction in the project study area. The area delineated as potential CDFG jurisdiction was greater than, but entirely inclusive of, all areas mapped as potentially subject to Corps jurisdiction and totaled 0.006 acre. Habitat Fragmentation and Wildlife Movement Wildlife movement and habitat fragmentation are important issues in assessing impacts to wildlife. Habitat fragmentation occurs when a proposed action results in a single, unified habitat area being divided into two or more areas, such that the division isolates the two new areas from each other. Habitat isolafion occurs when wildlife cannot move freely from one portion of the habitat to another, or from one habitat type to ariother (e.g., the fragmentation of habitats within and around clustered residential development). Habitat fragmentation also can occur when a portion of one or more habitats is converted into another habitat, as when scrub habitats are converted into annual grassland habitat by frequent buming. Fragmentation reduces the amount of habitat available to local wildlife populations. In general, a reduction in available habitat is followed by a reduction in wildlife populations because the remaining areas are too small to support prefragmentation population levels. If the fragmentation is too great, wildlife populations will not be able to subsist, and some or all ofthe species in a fragmented habitat area will disappear. This can occur on a local or regional scale, depending upon the degree and type of fragmentation occurring. Fragmentation is particularly critical for species that occupy already limited habitats, such as coastal sage scmb. If various stands of coastal sage scrab are too fragmented to provide sufficient continuous cover, or are too isolated from each other for an animal to move freely among various stands, that particular portion ofthe overall habitat may be lost to use by certain species. 3/5/2012 (P:VHCR1103-Vancouver Street SeweiABio ResourcesVBiological Resources Report,doc) 14 LSA ASSOCIATES, INC. BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Based on the miniscule nature of the proposed impacts, LSA contends that the proposed project will neither limit wildlife movement substanfially nor contribute substantially to fragmentation of habitat. 3/5/2012 (P:VHCR1103-Vancouver Street SeweiABio ResourcesVBiological Resources Report,doc) 15 R \HCR 11(I3\(;IS JD>io_rep«n mxd (Z'28/2012) LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA IMPACTS Temporary Impacts Temporary impacts that may result from implementation of the proposed project include the storage of materials and equipment within the proposed laydown areas, the establishment of a boring pit and an exit pit for the horizontal slant drilling, the disturbance of vegetation adjacent to the entry and exit pits due to worker and equipment access, and noise and dust disturbance to birds and other wildlife utilizing habitat in and adjacent to the project impact area. These disturbances will occur during constmcfion activities for a limited duration. Fugifive dust generated during constmction will be reduced to appropriate levels according to applicable ordinances and implementafion of best management practices (BMPs). Therefore, no adverse effects on biological resources due to fugifive dust are anficipated. Impacts associated with noise generation are minimal and temporary in nature. Permanent Impacts Permanent impacts will result fi"om the constmction of two 5-foot diameter manholes to access the proposed sewer line, and the demolition of the lift stafion/wet well located along Vancouver Street. The manholes will be constmcted in paved areas within Vancouver Street and Via de Canto Street. Although installation of the pipeline is considered permanent, no permanent aboveground impacts will occur as a result of pipeline constmcfion. No permanent impacts will occur in vegetated areas. Indirect Impacts Indirect impacts include disturbance to nesfing birds or wildlife occupying habitat within or adjacent to the project site due to constmction noise and dust generation as discussed above. There is potenfial for constmction-related sediment to enter concrete ditches and storm drains, and indirectly affect downstream habitat. However, the project will be compliant with all applicable ordinances pertaining to stormwater mnoff and the project design will implement BMPs during constmction to minimize potential impacts. Direct Impacts Direct impacts are anticipated to result from the staging of the drill rig adjacent to the boring hole, the clearing of vegetation to establish the boring and exit pits associated with the horizontal slant drilling, the storage of materials and equipment within the proposed laydown areas, the constmction of two new manholes within Vancouver Street and Via de Canto Street, and the demolition of the lift station/wet well. These direct impacts are analyzed in more detail below. Impacts to Vegetation Communities. Temporary project impacts will occur to areas classified as non-native grassland, disturbed areas, omamental/landscape vegetation, and developed land. The project is not anficipated to require compensatory mitigation for temporary impacts to non-native grassland, disturbed areas, and omamental landscaping. Permanent impacts occur to developed, unvegetated areas only and will not require mitigation. Figure 5 shows impact areas. Table D lists the anticipated impact of this project on vegetation communities/land cover on site and HMP-required mitigation rafios for permanent impacts to the vegetafion communifies. 3/5/2012 (P:VHCRI 103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) 17 LSA LEGEND Study Area FIGURE 5 Proposed Sewer Alignment (Open Trench) Proposed Sewer Alignment (Horizontal Directional Drilling) ——• Proposed Laydown Area 1 Proposed Laydown/\Tea 2 Proposed Project Features Y//\ Permanent Impact Area Temporary Impact Area SOURCE: Bing Maps (c,2008). City ofCarlsbad (4/2011) Vancouver Street Sewer Extension Project Footprint R:\HCR1 i03\GIS\Proj_Footprint.mxd (2/27/12) LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Table D: Impacts to Vegetation Communities (acres) 1 1 Vegetation Community Temporary Impacts (acres) Permanent Impacts (acres) HMP Mitigation Requirements Diegan Coastal Sage Scrub 0 0 2:1' or 1:1 Non-Native Grassland 0.005 0 0.5:1 for permanent impacts Disturbed Areas 0.042 0 Mitigation fee for permanent impacts Ornamental/Landscape Vegetation 0.133 0 No mitigation requirements Developed 0.518 0.036 No mitigation requirements Total Impacts within Project Limits^ 0.698 0.036 No Mitigation Required ' If occupied by coastal Califomia gnatcatcher, ^ Total may not equal sum due to rounding. Impacts to Jurisdictional Waters Although areas potentially subject to the jurisdicfion of the Corps, CDFG, and RWQCB occur within the project study area, none occurs within areas that will be subject to impacts. Therefore, no impacts to jurisdictional waters are anticipated as a result of project-related activities. Wildlife. Appendix B addresses the potential for special-status species to occur within the project study area. No significant impacts to wildlife species are anticipated to occur. Nesting Birds. The City proposes to conduct the constmction outside of the bird breeding season (February 15 through September 15); therefore, no impacts to nesting birds are anticipated. Listed Species. No special-status plant or wildlife species were idenfified on site during the general reconnaissance survey. Potentially suitable habitat for thread-leaved brodiaea {Brodiaea filifollia) and San Diego goldenstar {Bloomeria clevelandii) was identified at the southwestem end of the project alignment in an area of non-native grassland. No ground disturbance is proposed in that area and no impacts to these species are anticipated. Suitable habitat for coastal Califomia gnatcatcher occurs in the project area; however, no impact to the habitat is proposed as part of the project implementation. Indirect disturbance to habitat adjacent to the ground-disturbing activities during constmction will be addressed through avoidance of the breeding season, and adherence to applicable adjacency standards in the HMP. Adjacency standards for projects adjacent to Hardline Preserve areas are discussed in the City's HMP and generally address issues of fire management, erosion control, landscaping, fencing, signage, indirect impacts, and non-native species control. The adjacency standards applicable to this project include noise and erosion control. Noise-generating equipment should be avoided during the breeding season and project generated noise levels inside the preserve should not exceed 60 dBA Leq. Compliance with applicable regulations and implementafion of mitigation measures recommended below will ensure that the project is consistent with this adjacency standard and that project impacts are less than significant. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) 19 LSA ASSOCIATES, INC. BIOLOGICAL RESOURCES REPORT FEBRUARV 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITV OF CARLSBAD, CALIFORNIA Local and Regional Significance. The habitat within the project study areas is within an existing hardline preserve area, but is not part of a core or linkage within the HMP. The project study area is in the vicinity of Core 2 as defined by the HMP. Because it is part of a hardline preserve area, the City will obtain approval for the HMP compliance (i.e.. Consistency Findings) prior to the HMP compliance determination (i.e.. Equivalency Findings). Wildlife Movement Corridors. The project study area is mostly contiguous and not subject to continuous disturbance. The project study area is in the vicinity of Core 2 as defined by the HMP and wildlife species likely use the site as a movement corridor. There is potential for temporary impacts to wildlife movement during constmction; however, the short duration of constmction is not expected to result in substantial impedances to wildlife movement. Upon completion of constmction, the site will provide the same wildlife movement function as the existing condition. RECOMMENDATION To avoid, minimize, and mitigate potential impacts to biological resources, the following mitigation measures are recommended: • Implementation of constmction or clearing of vegetation within the project impact footprint shall occur outside of breeding season (Febmary 15 through September 15). During constmction conducted outside of the breeding season, a qualified biologist shall walk the area directly ahead of constmction equipment to fiush birds from the area. The biologist will immediately report to the USFWS the number and location of any federally listed birds disturbed by clearing and gmbbing. No gnatcatchers will be injured or killed. If constmction must commence during the breeding season, then the City shall have a qualified biologist conduct a pre-constmction survey for nesting birds, including raptors, within three days prior to constmction. Should any federally listed nesting birds be detected within 100 feet of the project impact footprint during the pre- constmction survey, the USFWS will be notified immediately. A qualified biologist shall then establish suitable buffer area (at least 300 feet) within which no constmction activity may take place until the nest is no longer active. Altematively, the City can conduct surveys for coastal Califomia gnatcatcher to determine presence during the breeding season as described below. Work may be allowed if no gnatcatchers are present. o If constmction activities are necessary during the breeding season, a qualified biologist will conduct a focused species coastal Califomia gnatcatcher survey in appropriate habitat within and surrounding the project area. The surveys will consist of three visits, one week apart; the last of these will be conducted no more than three days prior to construction, as required by the draft Guidelines for Biological Stiidies (City ofCarlsbad 2008). • During the breeding season, constmction noise shall be monitored regularly to maintain a threshold at or below 60 dBA hourly Leq within 300 feet of breeding habitat occupied by listed species. If noise levels exceed the threshold, the construction array will be changed or noise attenuation measures will be implemented, as recommended in the draft Guidelines for Biological Stiidies (City of Carisbad 2008). • To avoid erosion and siltation during constmcfion activities, all work should be conducted in accordance with the City's National Pollutant Discharge Elimination System (NPDES) permit 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) 20 LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA requirements, including BMPs, which will limit erosion and siltation on site and off site and will ensure consistency with the erosion adjacency standard. CONCLUSION The HMP requires that potential impacts to sensitive habitat communities, including coastal sage scmb, be avoided and minimized and the project will result in no net loss of native habitat communities within the hardline conservation area. This project has avoided all potential direct impacts to native habitat present on site (coastal sage scmb). With incorporation of mitigation measures listed above, the project will avoid and minimize temporary indirect impacts and be consistent with the HMP, and Federal and State requirements, and will have a minimal impact on biological resources within the project study area. 3/5/2012 (P:VHCR1103-Vancouver Street Sewei\Bio ResourcesVBiological Resources Report.doc) 21 LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA REFERENCES Califomia Department of Fish and Game, Natural Diversity Database. April 2011. Special Vascular Plants, Bryophytes, and Lichens List. Quarterly publication. 71 pp. Califomia Native Plant Society (CNPS). 2007. Inventory of Rare and Endangered Plants (online edition, v7-07b). Califomia Native Plant Society. Sacramento, Califomia. Accessed on July 6, 2007, from http://www.cnps.org/inventory. Califomia Natural Diversity Database. 2007. Biogeographic Data Branch. Califomia Department of Fish and Game. RareFind (Version 3.1.0), May 17, 2011. Del Mar, Califomia Quadrangle. City of Carlsbad. 1999. Habitat Management Plan for Natural Communities in the City of Carlsbad. December 1999, with addendum. City of Carlsbad. 2008. Draft Guidance for Biological Studies. Prepared by Technology Associates (TAIC). May 29, 2008. Hickman, J.C, ed. 1993. The Jepson Manual: Higher Plants of California. University of Califomia Press, Berkeley and Los Angeles, Califomia. 1,400 pp. Holland, R.F. 1986. Preliminary Descriptions of the Terrestrial Natural Communities of Califomia. The Resources Agency, Department of Fish and Game, State of Califomia. LSA Associates, Inc. 2011. Jurisdictional Delineation Report. Vancouver Street Sewer Extension Project. September 2011. Ninyo & Moore. 2010. Geotechnical Assessment, Vancouver Lift Station Abandonment and HDD Sewer Extension, Carlsbad, Califomia. August 27, 2010. Reed, P.B., Jr. 1988. National List of Plant Species that Occur in Wetlands: Califomia (Region 0). United States Fish and Wildlife Service Biological Report 88 (26.10). 135 pp. 3/5/2012 (P;VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report doc) 22 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA APPENDIX Bl JURISDICTIONAL DELINEATION REPORT 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report doc) JURISDICTIONAL DELINEATION REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD SAN DIEGO COUNTY, CALIFORNIA Submitted to: Mark Biskup City ofCarlsbad 1635 Faraday Avenue Carisbad, Califomia 92008 (760) 602-2763 Prepared by: LSA Associates, Inc. 703 Palomar Airport Road, Suite 260 Carisbad, Califomia 92011 (760) 931-5471 LSA ProjectNo. HCR1103 LSA September 2011 TABLE OF CONTENTS INTRODUCTION 1 SITE HISTORY AND PROPOSED PROJECT 1 SITE DESCRIPTION 3 REGULATORY BACKGROUND 7 United States Army Corps of Engineers 7 California Department of Fish and Game 11 Regional Water Quality Control Board 11 METHODOLOGY 12 RESULTS 12 Vegetation 12 Soils 14 Hydrology 15 CONCLUSIONS 15 Potential Corps Section 404 and RWQCB Section 401 Jurisdiction 15 Potential CDFG Jurisdiction 15 REFERENCES 16 FIGURES Figure 1: Project Location 2 Figure 2: Vegetation and Soils 4 Figure 3: Site Photographs 5 Figure 4: Jurisdictional Areas and Photo Locations 13 TABLES Table A: Hydrophytic Vegetation. APPENDIX A: ANALYSIS OF FUNCTIONS AND VALUES OF POTENTIAL WATERS OF THE UNITED STATES P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report doc (9/6/2011) LSA ASSOCIATES, INC. JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT INTRODUCTION This report presents the results of a jurisdictional delineation (JD) conducted by LSA Associates, Inc. (LSA) of potential wetlands and waters subject to the jurisdiction of the United States Army Corps of Engineers (Corps) and potential streambed/banks and associated riparian vegetation subject to jurisdiction of the Califomia Department of Fish and Game (CDFG) for the City of Carlsbad's (City) Vancouver Street Sewer Extension Project (project) located in the City of Carlsbad, San Diego County (County), Califomia (Figure 1). Specifically, this report addresses the requirements of the Federal Clean Water Act (CWA) and the Califomia Fish and Game Code. This report has been prepared for use by the Corps, CDFG, and Regional Water Quality Control Board (RWQCB) as part of their review of applications for permit authorization. This routine wetland and jurisdictional delineation was conducted under contract to the City. The findings and conclusions presented in this report, including the location and extent of wetlands and other areas subject to regulatory jurisdiction, represent the professional opinion of LSA and should be considered preliminary until verified by representatives of the Corps and CDFG. SITE HISTORY AND PROPOSED PROJECT The City proposes to extend an existing sewer line from a segment of Vancouver Street to Via de Canto within the City. The proposed gravity flow sewer will allow for the removal of an existing sewer lift station. The gravity system will provide a more reliable system of conveying wastewater, reducing spill risks and eliminating energy consumption required for operating the pumps at the existing lift station. The 10.75-inch diameter high density polyethylene (HDPE) sewer pipe will be installed using horizontal slant drilling (a.k.a. horizontal directional drilling, HDD) techniques through open space and passive recreational areas (including Hidden Canyon Park). The HDD technique utilizes drilling mud (slurry, bentonite), which will be contained and controlled pursuant to a City-approved Drilling Mud Control Plan. Staging areas for equipment will be located within the roadway on Vancouver Street. An Equipment Staging and Traffic Control Plan will be submitted to the City for review and approval and a Street Encroachment Permit from the City will be issued prior to commencement of ground disturbance. Segments of pipe will be laid out for on-site assembly on existing paved surfaces along Vancouver Street and the parking area for Hidden Canyon Park, as well as a small portion that will be laid out over omamental vegetation associated with the park. A drill pit and exit pit will be installed using typical pipeline excavation methods and equipment. Pit locations (for either the drill pit or the exit pit) are situated outside of sensitive habitats on the road way on Via de Canto and in omamental vegetation east of the park. The contractor will detennine which site to utilize for entry and exit. The proposed drilling technique will largely avoid special-status vegetation communities and areas potenfially subject to water resource agency jurisdicfion (i.e.. Corps, RWQCB, and CDFG jurisdictional areas) on the ground surface. The drilling and installation of the sewer pipe will occur approximately 8 to 65 feet below the ground surface in order to avoid impacts to natural resources. Construction will be conducted for approximately 5 months and is anticipated to commence in January 2012 and be completed by May 2012. P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report.doc (9/6/2011) LSA LEGEND m Project Location FIGURE 1 SOURCE: USGS 7,5' Quad - San Luis Rey (1975), CA Vancouver Street Sewer Extension Project Project Location I:\HCR1103VGlSVFigl_Proj_Loc,mxd (9/2/2011) LSA ASSOCIATES, SEPTEMBER 211 I 1 JURISDICTIONAL DELINEATION REPORT VANCOUVER STREET SEWER EXTENSION PROJECT SITE DESCRIPTION The project site is located between Vancouver Street and Via de Canto Road, off Carisbad Village Drive in the City of Carlsbad, San Diego County, California. Specifically, the project is located in an unsectioned portion of the Agua Hedionda Land Grant, Township 11 South, and Range 4 West, on the United States Geological Survey (USGS) San Luis Rey, California 7.5-minute topographical quadrangle map (Assessor's Parcel Numbers 167-090-44, 167-090-49, and 167-441-37) (see previously referenced Figure 1). The 2.818-acre project study area, which includes a 25-foot buffer on either side of the proposed sewer alignment, is located on flat land to moderate and steep slopes on City-owned property. The surrounding area consists of undeveloped areas to the north and south, and residential development to the west and east. The area is further surrounded by undeveloped areas located north of Vancouver Street. The proposed project area is located within the South Coast subregion of the Southwestern California region of the California Floristic Province, characterized by valleys and small hills extending from the coast inland to the foothills of the Transverse and Peninsular Mountain Ranges. Within the study area (refer to Figures 2 and 3), the project site includes Vancouver Street (paved), associated residences and developed portions of Hidden Canyon Community Park (park) to the north, which consists of a paved parking lot and developed recreational areas, and primarily undeveloped portions of the park to the south that otherwise include a decomposed granite (DG) trail and an unpaved access road. The southwestern-most portion of the study area consists of a parking lot associated with Via de Canto and its associated multi-unit complex. On the southern end of the study area, two concrete-lined v-ditches (one west of and adjacent to the DG trail; the other southeast of and adjacent to Via de Canto) direct flows from the surrounding areas during storm events into an underground storm drain system. No other hydrological features were observed within the study area. The concrete-lined ditches convey flows to an underground storm drain system that contributes to Buena Vista Creek, Buena Vista Lagoon, and ultimately the Pacific Ocean. The entire study area is located within the Carlsbad Hydrologic Unit (HU) (Carlsbad Watershed), which is approximately 210 square miles in area extending from the headwaters above Lake Wolhford in the east to the Pacific Ocean in the west, and from Vista and Oceanside in the north to Solana Beach, Escondido, and the community of Rancho Santa Fe to the south. The Cities of Carlsbad, San Marcos, and Encinitas are entirely within this watershed. There are numerous important surface hydrologic features within the Carlsbad Watershed, including four unique coastal lagoons, three major creeks, and two large water storage reservoirs. The HU contains four major, roughly parallel hydrologic areas (HAs). Encompassing the study area is the El Salto Hydrologic Subarea (HSA; 904.21) of the Buena Vista Creek (904.2) HA according to the IVater Quality Control Plan for the San Diego Basin - Region 9 (State of California 1994). The average annual rainfall for the project area is approximately 11.13 inches.' Portions of the project study area are located within Hardline Preserve according to the City of Carlsbad's Habitat Management Plan (HMP). The project study area is entirely outside of the Coastal Zone; therefore, the project is not subject to the jurisdiction of the California Coastal Commission (CCC). http://www.idcide.com/weather/ca/carlsbad,hlin, .luly 8, 2011. P:\HCR1103-Vancouver Street SewerVJD ReportVJD Report doc (9/6/2011) I .'7.S 7J LEGEND Study Area Vegetation Bare Ground Coastal Sage Scrub Developed Disturbed Omamental \X/\ Carlsbad gravelly loamy sand. 5 to 9 percent slopes (CbC) l\ ^ Diablo clay. 15 to 3(1 percent slopes, eroded (DaE2) I I Diablo clay. 30 to 50 percent slopes (DaF) LA/^ Salinas cla>' loam. 2 to 9 percent slopes (SbC) SOURCE: Bmg Maps le 21)[iX). Cily ol Ciirlshad (4 201 I). SanGIS and USDA SCS (3/21102) L lICRllO.Viil.S Vi;G,m\d ('J 2.'2I)11) I FIGURE 2 Sheet I of 2 Vancom'er Streel Sewer Exlen.sion Project Vegetation Communities and Soils I 37 i 75 LEGEND Slud> Area Vegetation I Nonnative Grassland H Bare Ground IS Coastal Sage Scrub Developed Disturbed Omamental ]/A Carlsbad gra\ elly loamy sand, 5 to 9 percent slopes (CbC) |\, ^ Diablo clay, 15 to 30 percent slopes, eroded (DaE2) 1 I Diablo clay, 30 to 50 percent slopes (DaF) [/\/] Salinas clay loam, 2 to 9 percent slopes (SbC) SOURCE Bing Maps (c,2008J, City ofCarlsbad (4 2011), Saii(rIS and (]Sa\ SCS (5 2(X)2) I HCRllO.-iGIS VF.G mxd (9'220ll) Map Index FIGURE 2 Sheet 1 of 2 Vancouver Street Sewer Extension Project Vegetation Communities and Soils 37.5 75 LEGEND Stud\ Area Vegetation I Nonnative Grassland I Bare Ground Coastal Sage Scrub \/A Carlsbad gra^elly loamy sand, 5 to 9 percent slopes (CbC) Developed |\ Diablo clay, 15 to 30 percent slopes, eroded (DaE2) Disturbed | 1 Diablo clay. 30 to 50 percent slopes (DaF) Omamailal L^\/^ Salinas clay loam. 2 to 9 percent slopes (SbC) SOURCE Bmg Mapa (c 2IK1S|, City i.l CJrhhad (4.2011). SanGIS and USIM SCS ( v:iX)2i I: HCRllOTOIS VEXi m\d (9 2/20:1) Vancouver Street Sewer Extension Project Vegetation Communities and Soils PHOTOGRAPH i: View of the concrete-lined v-ditch located adjacent to Via de Canto, facing southeast. PHOTOGRAPH 2: View of the concrete-lined v-ditch and culvert associated with the DG trail, facing south. LSA FIGURE 3 Vancouver Street Sewer Extension Project Site Photographs l:VHCRl 103VOVSite Photos,cdr (9/6/11) LSA ASSOCIATES, INC, JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT REGULATORY BACKGROUND United States Army Corps of Engineers The Corps regulates discharges of dredged or fill material into waters ofthe United States. These waters include wetland and nonwetiand bodies of water that meet specific criteria. Corps regulatory jurisdiction pursuant to Section 404 of the CWA is founded on a connection, or nexus, between the water body in question and interstate commerce. This connection may be direct (through a tributary system linking a stream channel with traditional navigable waters used in interstate or foreign commerce) or may be indirect (through a nexus identified in the Corps regulations). The following definition of waters of the United States is taken from the discussion provided at 33 Code of Federal Regulafions (CFR) 328.3: "The term waters of the United States means: (1) All waters which are currently used, or were used in the past, or may be susceptible to use in interstate or foreign commerce ...; (2) All interstate waters including interstate wetiands; (3) All other waters such as intrastate lakes, rivers, streams (including intermittent streams) ... the use, degradation or destruction of which could affect interstate or foreign commerce ...; (4) All impoundments of waters otherwise defined as waters of the United States under the definition; and (5) Tributaries of waters defined in paragraphs (a) (l)-(4) of this section." The Corps typically regulates as waters of the United States any body of water displaying an ordinary high water mark (OHWM). Corps jurisdiction over nontidal waters of the United States extends laterally to the OHWM or beyond the OHWM to the limit of any adjacent wefiands, if present (33 CFR 328.4). The OHWM is defined as "that line on the shore established by the fluctuafions of water and indicated by physical characteristics such as a clear natural line impressed on the bank, shelving, changes in the character of soil, destruction of terrestrial vegetation, the presence of litter and debris, or other appropriate means that consider the characteristics of the surrounding area." (33 CFR 328.3) Jurisdiction typically extends upstream to the point where the OHWM is no longer perceptible. As discussed above. Corps regulatory jurisdiction under Section 404 of the CWA is founded on a connection between the water body in question and interstate commerce. In the past, an indirect nexus could potentially be established if isolated waters provided habitat for migratory birds, even in the absence of a surface connection to a navigable water of the United States. The 1984 rule that enabled the Corps to expand jurisdiction over isolated waters of this type became known as the Migratory Bird Rule. However, on January 9, 2001, the United States Supreme Court narrowly limited Corps jurisdiction of "nonnavigable, isolated, intrastate" waters based solely on the use of such waters by migratory birds and particularly, the use of indirect indicators of interstate commerce (e.g., use by migratory birds that cross state lines) as a basis for jurisdiction. The Court's ruling derives from the case Solid Waste Agency of Northern Cook County v. U.S. Army Corps of Engineers, No. 99-1178 (SWANCC). The Supreme Court determined that the Corps exceeded its statutory authority by asserting CWA jurisdiction over an abandoned sand and gravel pit in northem Illinois, which provides habitat for migratory birds. P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) LSA ASSOCIATES, INC. JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT In 2006, the United States Supreme Court further considered Corps jurisdiction of "waters of the United States" in the consolidated cases Rapanos v. United States and Carabell v. United States (126 S. Ct. 2208), collectively referred to as Rapanos. The Supreme Court concluded that wetlands are "waters of the United States" if they significantly affect the chemical, physical, and biological integrity of other covered waters more readily understood as navigable. On June 5, 2007, the Corps issued guidance regarding the Rapanos decision. This guidance states that the Corps will continue to assert jurisdiction over traditional navigable waters, wetlands adjacent to traditional navigable waters, relatively permanent non-navigable tributaries that have a continuous flow at least seasonally (typically three months), and wefiands that abut relatively permanent tributaries. The Corps will determine jurisdiction over waters that are non-navigable tributaries that are not relatively permanent and wetlands adjacent to non-navigable tributaries that are not relatively permanent only after making a signiflcant nexus finding. Furthermore, the preamble to Corps regulations (Preamble Section 328.3, Definitions) states that the Corps does not generally consider the following waters to be waters of the U.S. (The Corps does, however, reserve the right to regulate these waters on a case-by-case basis.) • Nontidal drainage and irrigation ditches excavated on dry land; • Artificially irrigated areas that would revert to upland if the irrigation ceased; • Artificial lakes or ponds created by excavating and/or diking dry land to collect and retain water and which are used exclusively for such purposes as stock watering, irrigation, settling basins, or rice growing; • Artificial reflecting or swimming pools or other small omamental bodies of water created by excavating and/or diking dry land to retain water for primarily aesthetic reasons; and • Water-filled depressions created in dry land incidental to construction activity and pits excavated in dry land for purposes of obtaining fill, sand, or gravel unless and until the construction or excavation operation is abandoned and the resulting body of water meets the definition of waters ofthe U.S. Waters found to be isolated and not subject to CWA regulation are often still regulated by the RWQCB under the State Porter-Cologne Water Quality Control Act (Porter-Cologne Act). Wetlands. Wetland delineations for Section 404 purposes must be conducted according to the Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Arid West Region (Version 2.0) {Regional Supplement) (Corps 2008) and the Corps of Engineers 1987 Wetland Delineation Manual {1987 Manual) (Environmental Laboratory 1987). Where there are differences between the two documents, the Regional Supplement takes precedence over the 1987 Manual. The Corps and United States Environmental Protection Agency (EPA) define wetlands as follows: "Those areas that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted to life in saturated soil conditions." P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) LSA ASSOCIATES, SEPTEMBER 2011 JURISDICTIONAL DELINEATION REPORT VANCOUVER STREET SEWER EXTENSION PROJECT In order to be considered a jurisdictional wetland under Secfion 404, an area must possess three wetland characteristics: hydrophyfic vegetation, hydric soils, and wetland hydrology. Each characteristic has a specific set of mandatory wetland criteria that must be satisfied in order for that particular wetland characteristic to be met. Several indicators may be analyzed to determine whether the criteria are satisfied. Hydrophytic vegetation and hydric soils indicators provide evidence that episodes of inundation have lasted more than a few days or have occurred repeatedly over a period of years, but do not confirm that an episode has occurred recently. Conversely, wefiand hydrology indicators provide evidence that an episode of inundation or soil saturation occurred recently, but do not provide evidence that episodes have lasted more than a few days or have occurred repeatedly over a period of years. Because of this, if an area lacks one of the three characteristics under normal circumstances, the area is considered nonwetiand under most circumstances. Determination of wetland limits may be obfuscated by a variety of natural environmental factors or human activities, collectively called difficult wetland situafions, including cyclic periods of drought and flooding or highly ephemeral stream systems. During periods of drought, for example, bank return flows are reduced and water tables are lowered. This results in a corresponding lowering of ordinary high water and invasion of upland plant species into wetland areas. Conversely, extreme flooding may create physical evidence of high water well above what might be considered ordinary and may allow the temporary invasion of hydrophytic species into nonwetiand areas. In highly ephemeral systems typical of Southem California, these problems are encountered frequently. In these situations, professional judgment based on years of practical experience and extensive knowledge of local ecological conditions comes into play in delineating wetlands. The Regional Supplement provides additional guidance for difficult wetland situations. Hydrophytic Vegetation. Hydrophytic vegetation is plant life that grows and is typically adapted for life in permanently or periodically saturated soils. The hydrophytic vegetation criterion is met if more than 50 percent of the dominant plant species from all strata (tree, shrub, herb, and woody vine layers) are considered hydrophytic. Hydrophytic species are those included on the National List of Plant Species That Occur in Wetlands: California (Region 0) (Reed 1988), published by the United States Fish and Wildlife Service (USFWS). Each species on the list is rated according to a wetland indicator category, as shown in Table A. To be considered hydrophytic, the species must have wetland indicator status (i.e., be rated as OBL, FACW, or FAC). Table A: Hydrophytic Vegetation Category Probability Obligate Wetland OBL Almost always occur in wetlands (estimated probability > 99%) Facultative Wetland FACW Usually occur in wetlands (estimated probability 67-99%) Facultative FAC Equally likely to occur in wetlands and nonwetlands (estimated probability 34- 66%) Facultative Upland FACU Usually occur in nonwetiands (estimated probability 67-99%) Obligate Upland UPL Almost always occur in nonwetlands (estimated probability > 99%) P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report.doc (9/6/2011) LSA ASSOCIATES, INC. JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT The delineation of hydrophytic vegetation is typically based on the most dominant species from each vegetative stratum (strata are considered separately); when more than 50 percent of these dominant species are hydrophytic (i.e., FAC, FACW, or OBL), the vegetation is considered hydrophytic. In particular, the Corps recommends the use of the "50/20" mle (also known as the dominance test) from the Regional Supplement for determining dominant species. Under this method, dominant species are the most abundant species that immediately exceed 50 percent of the total dominance measure for the stratum, plus any additional species comprising 20 percent or more of the total dominance measure for the stratum. In cases where indicators of hydric soil and wetland hydrology are present but the vegetation initially fails the dominance test, the prevalence index must be used. The prevalence index is a weighted average of all plant species within a sampling plot. The prevalence index is particularly useful when communities only have one or two dominants, where species are present at roughly equal coverage, or when strata differ greatly in total plant cover. In addition. Corps guidance provides that morphological adaptations may be considered when determining hydrophytic vegetation when indicators of hydric soil and wetland hydrology are present (Corps 2006). If the plant community passes either the dominance test or prevalence index after reconsidering the indicator status of any plant species that exhibit morphological adaptations for life in wetlands, then the vegetation is considered hydrophytic. Hydric Soils.' Hydric soils are defined as soils that formed under conditions of saturation, flooding, or ponding long enough during the growing season to develop anaerobic conditions in the upper part.^ Soils are considered likely to meet the definition of a hydric soil hydric when one or more of the following criteria are met: 1. All Histels except Folistels and Histosols except Folists; or 2. Soils that are frequently ponded for long duration or very long duration^ during the growing season; or 3. Soils that are frequently flooded for long duration or very long duration during the growing season. Hydric soils develop under conditions of saturation and inundation combined with microbial activity in the soil that causes a depletion of oxygen. While saturation may occur at any time of year, microbial activity is limited to the growing season, when soil temperature is above biologic zero (the soil temperature at a depth of 50 centimeters (cm), below which the growth and function of locally adapted plants are negligible). Biogeochemical processes that occur under anaerobic conditions during the growing season result in the distinctive morphologic characteristics of hydric soils. Based on these criteria, a National List of Hydric Soils was created from the National Soil Information System (NASIS) database and is updated annually. The hydric soil definition and criteria included in the 1987 Manual are obsolete. Users of the Manual are directed to the United States Department of Agriculture (USDA) Natural Resources Conservation Service Web site for the most current information on hydric soils. Current definition as of 1994 (FR July 13, 1994). Long duration is defined as a single event ranging from 7 to 30 days; very long duration is defined as a single event that lasts longer than 30 days. P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) 1Q LSA ASSOCIATES. INC. JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT The Regional Supplement has a number of field indicators that may be used to identify hydric soils. Natural Resources Conservation Service (NRCS) (2003) has also developed a number of field indicators that may demonstrate the presence of hydric soils. These indicators include hydrogen sulfide generation, accumulation of organic matter, and the reduction, translocation and/or accumulation of iron and other reducible elements. These processes result in soil characteristics that persist during both wet and dry periods. Separate indicators have been developed for sandy soils and for loamy and clayey soils. Wetland Hydrology. Under natural conditions, development of hydrophytic vegetation and hydric soils are dependent on a third characteristic: wetland hydrology. Areas with wetland hydrology are those where the presence of water has an overriding influence on vegetation and soil characteristics due to anaerobic and reducing conditions, respectively (Environmental Laboratory 1987). The wetland hydrology parameter is satisfied if the area is seasonally inundated or saturated to the surface for a minimum of 14 consecutive days during the growing season in most years (Corps 2006). Hydrology is often the most difficult criterion to measure in the field due to seasonal and annual variations in water availability. Some of the indicators that are commonly used to identify wetland hydrology include visual observation of inundation or saturation, watermarks, recent sediment deposits, surface scour, and oxidized root channels (rhizospheres) resulting from prolonged anaerobic conditions. California Department of Fish and Game The CDFG, through provisions of the California Fish and Game Code (Sec. 1600 et seq.), is empowered to issue agreements for any alteration of a river, stream, or lake where fish or wildlife resources may be adversely affected. Streams (and rivers) are defined by the presence of a channel bed and banks and at least an intermittent flow of water. The CDFG regulates wetland areas only to the extent that those wetlands are part of a river, stream, or lake as defined by the CDFG. In obtaining CDFG agreements, the limits of wetlands are not typically determined. The reason for this is that the CDFG generally includes, within the jurisdictional limits of streams and lakes, any riparian habitat present. Riparian habitat includes willows, mulefat, and other vegetation typically associated with the banks of a stream or lake shorelines and may not be consistent with Corps definitions. In most situations, wetlands associated with a stream or lake would fall within the limits of riparian habitat. Thus, defining the limits of CDFG jurisdiction based on riparian habitat will automatically include any wetland areas and may include additional areas that do not meet Corps criteria for soils and/or hydrology (e.g., where riparian woodland canopy extends beyond the banks of a stream away from frequently saturated soils). Regional Water Quality Control Board The RWQCB is responsible for the administration of Section 401 of the CWA and the California Water Code Porter-Cologne Water Quality Control Act (Water Code Section 13260). Section 401 of the CWA specifies that certification from the State is required for any applicant requesting a Federal license or permit to conduct any activity including, but not limited to, the construction or operation of P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) 11 LSA ASSOCIATES, INC. JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT facilities that may result in any discharge into navigable waters. The Porter-Cologne Act requires "any person discharging waste, or proposing to discharge waste, within any region that could affect the waters of the State" to file a report of discharge. Typically, the areas subject to RWQCB jurisdiction coincide with those of the Corps (i.e., waters ofthe U.S., including any wetlands). Under the Porter-Cologne Act, waters of the State are defined as ".. .any surface water or groundwater, including saline waters, within the boundaries of the state." METHODOLOGY On May 26, 2011, LSA biologists Dan Rosie and Jaime Morales conducted a formal jurisdictional delineafion to assess areas potentially subject to regulatory jurisdiction within the 2.818-acre project study area. Field maps of the area to be surveyed were prepared using a 2008 aerial photograph base at a scale of 1 inch = 75 feet. The project area was surveyed on foot, and all areas of potential jurisdicfion were evaluated according to Corps and CDFG criteria. Data were recorded directly on the field maps. Areas supporting hydrology or species of plant life potentially indicative of wetlands were evaluated according to routine wetland delineation procedures described in the Regional Supplement. Because no plant life potentially indicative of wetlands was observed during the delineation, wetland data sampling was not applicable. Hydrological conditions and general site characteristics were recorded. Previously referenced Figure 3 depicts representative photographs of the project site and potentially jurisdictional areas identified within the project area. RESULTS The two concrete-lined v-ditches located within the study area, which convey flows during storm events (ephemeral) and as a result of nuisance runoff, are tributary to the Pacific Ocean (a Traditional Navigable Water [TNW] of the U.S.). Because of the direct connection of storm drain systems with the Pacific Ocean, these features are subject to Corps jurisdiction to the OHWM under Section 404 of the CWA. The channels of these features show evidence of an OHWM by the presence of watermarks. Potential CDFG jurisdiction extends to the top lip on either side of the concrete-lined v-ditches. All of the areas in the study area satisfying the Corps jurisdictional criteria for waters of the U.S., as described above would also be subject to potential CDFG jurisdiction. Figure 4 depicts the potential jurisidictional areas within the study area, which also shows the location and direction of photos presented in previously referenced Figure 3. Vegetation Six vegetation communities/land uses (including bare ground and developed areas) were identified and recorded within the project study area. The vegetation communities and land uses found within the project study area are described in further detail below and are illustrated in previously referenced Figure 2. P:VHCR1103-Vancouver street SewerVJD ReportVJD Report,doc (9/6/2011) 12 .jni!iyitrynU'>^'mmmmr~' LEGEND Study Area Photograph Locations (#) Potential CDFG Jurisdictional Area (0,006 acre) Polenlial Corps Jurisdictional Area (0.002 acre) SOURCl-:: Hinj: Mii|is (c,2iH)Sl. Cilv iif Carhhad (4 211M ) I:\HCR11(13 (HS\JD,mxd (9/(i/20I I) FIGURE 4 Vancom'er Streel Sewer Exten.sion Projecl Jurisdictional Areas and Photograph Locations LSA ASSOCIATES, INC. JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT Two patches of coastal sage scrub occur south Hidden Canyon Community Park and immediately east of Via de Canto Road. In the project study area, this community is dominated by coyote bmsh {Baccharis pilularis), deer weed {Lotus scoparius), Califomia encelia {Encelia californica), black sage {Salvia mellifera), Califomia sagebrush {Artemisia californica), California rabbit-tobacco {Pseudognaphalium caUfornicum), and two-color rabbit-tobacco {Pseudognaphalium biolettii), with scattered Canadian horseweed {Conyza canadensis), black mustard {Brassica nigra), bristly ox- tongue {Pieris echioides), and prickly sow-thistle {Sonchus asper). A large concentration of nonnative grassland occurs in the undeveloped area between the park and Via de Canto Road. In the project study area, this community is dominated by soft chess {Bromus hordeaceous), wild oat {Avena fatua), rat-tail fescue {Vulpia myuros), bristly ox-tongue, common sow thistle {Sonchus oleraceus), Califomia burclover {Medicago polymorpha), and prickly lettuce {Lactuca serriola). Disturbed habitat applies to areas that have been subject to frequent and repeated disturbances resulting from various human activifies and have been colonized by nonnative plants. In the project study area, this community is dominated by black mustard, rip gut grass {Bromus diandrus), Italian thistle {Carduus pycnocephalus), rabbitfoot grass {Polypogon monspeUensis), fennel {Foeniculum vulgare), red brome {Bromus madritensis), tocalote {Centaurea melitensis), and prickly sow-thistle. Ornamental/landscape vegetation lines portions of Vancouver Street, surrounds portions of the developed park and DG trail, and adjacent to Via de Canto, which includes areas inhabited by irrigated and/or naturalized cultivars. In the project study area, this vegetation type includes, but is not limited to, Brazilian pepper tree {Schinus terebinthifolius), acacia {Acacia sp.), eucalyptus {Eucalyptus sp.), sea lavender {Limonium sp.), pine trees {Pinus sp.), yucca trees {Yucca sp.), cacti (Family Cactaceae), and myoporum {Myoporum laetum). Within the project study area, the bare ground designation applies to any undeveloped, unvegetated ground, which includes the DG trail and dirt access road. Any areas that consist of development, such as paved roads (Vancouver Street and Via de Canto Road), the park parking lot, and the concrete walkway in the park are designated as developed areas. No vegetation is associated with the two concrete-lined v-ditches. Soils The Soil Survey for the San Diego Area, California, Part I (Soil Conservation Service 1973) San Luis Rey, California quadrangle identifies and describes the soils expected to correspond to the project area primarily as Diablo clay, 30 to 50 percent slopes (DaF), with a small pocket of Salinas clay loam, 2 to 9 percent slopes (SbC), in the northern portion of the project study area, and primarily as Diablo clay, 15 to 30 percent slopes, eroded (DaE2), with a small pocket of Carlsbad gravelly loamy sand, 5 to 9 percent slopes (CbC), in the southem portion. Because the only hydrological features within the study area that are potentially subject to regulatory jurisdiction are the two previously described concrete-lined v-ditches, a soils sample analysis is not applicable for this project. P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) 14 LSA ASSOCIATES. SEPTEMBER 2 011 JURISDICTIONAL DELINEATION REPORT VANCOUVER STREET SEWER EXTENSION PROJECT Hydrology Hydrology within the study area was evident by the presence of water marks observed along the base of the concrete-lined v-ditches, approximately 1 foot wide on average. No storm events or associated ephemeral flows of any magnitude contributed to these features at the time of the delineation. No other hydrological features were observed within the project study area. CONCLUSIONS Potential Corps Section 404 and RWQCB Section 401 Jurisdiction The areas shown in previously referenced Figure 4 have a direct connection to designated navigable waters of the U.S., at least in part through an underground storm drain system. Therefore, the Corps will verify that a "significant nexus determination" is not required. Under Corps guidance, agencies will assert jurisdiction over navigable waters and their adjacent wetlands, where adjacent is defined as "bordering, contiguous, or neighboring." Therefore, finding a surface connection is not required to determine adjacency under this definition. Within the project study area, LSA mapped 0.002 acre of nonwetiand waters of the U.S. No wetland waters of the U.S. were observed within the study area. Potential CDFG Jurisdiction Potential CDFG jurisdictional limits within the concrete-lined v-ditches are defined by the capacity in which they can hold water. Specifically, the streambed and banks limits occur at the top lip of the concrete-lined feature. All of the areas satisfying the Corps jurisdictional criteria for waters of the U.S., as described above, would also be subject to potential CDFG jurisdiction. Within the project study area, LSA mapped 0.006 acre of CDFG jurisdictional streambed and banks. No vegetation is associated with these features. P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) 15 LSA ASSOCIATES, INC, JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT REFERENCES Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1. United States Army Engineer Waterways Experiment Station, Vicksburg, MS. Federal Interagency Committee for Wetland Delineation. 1989. Federal Manual for Identifying and Delineating Jurisdictional Wetlands. United States Army Corps of Engineers, United States Environmental Protection Agency, United States Fish and Wildlife Service, and United States Department of Agriculture Soil Conservation Service, Washington, D.C. Cooperative Technical publication. 76 pp. plus appendices. Hickman, J.C, ed. 1993. The Jepson Manual: Higher Plants of California. University of California Press, Berkeley and Los Angeles, CA. 1,400 pp. Soil Conservation Service. 1973. Soil Survey of the San Diego Area, California, Part I. United States Department of Agriculture, Washington, D.C. State Water Resources Control Board. Workplan: Filling the Gaps in Wetland Protection. September 2004. United States Army Corps of Engineers. 1991. CECW-OR Memorandum: Questions and Answers on the 1987 Manual. United States Army Corps of Engineers. 1992. CECW-OR Memorandum: Clarification and Interpretation of the 1987 Manual. United States Army Corps of Engineers. 1999. Code of Federal Regulations. Title 33, Volume 3, Parts 200 to End. United States Government Printing Office. United States Army Corps of Engineers. 2007. CECW-OR Memorandum: Clean Water Act Jurisdiction Following the United States Supreme Court's Decision in Rapanos v. United States & Carabell v. United States. United States Army Corps of Engineers. 2008. Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Arid West Region (Version 2.0). ed. J. S. Wakeley, R. W. Lichvar, and C. V. Noble. ERDC/EL TR-08-28. Vicksburg, MS: United States Army Engineer Research and Development Center. United States Department of Agricufture, Soil Survey Staff. 1975. Soil Taxonomy. Agriculture Handbook No. 436. United States Government Printing Office, Washington, D.C. 754 pp. Wetland Research and Technology Center. 1993. Draft Training Package, Wetland Delineator Certification Program. Environmental Laboratory, EP-W, Vicksburg, MS. P:VHCRU03-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) 16 LSA ASSOCIATES. INC, JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT APPENDIX 62. ANALYSIS OF FUNCTIONS AND VALUES OF POTENTIAL WATERS OF THE UNITED STATES P;VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) LSA ASSOCIATES, INC. JURISDICTIONAL DELINEATION REPORT SEPTEMBER 2011 VANCOUVER STREET SEWER EXTENSION PROJECT APPENDIX A ANALYSIS OF FUNCTIONS AND VALUES OF POTENTIAL WATERS OF THE UNITED STATES The following is an assessment ofthe functions and values attributable to the identified potential jurisdictional waters in the study area. All waters have some degree of functionality, and no single drainage can perform all ofthe functions considered below. The following functions are analyzed at low, moderate, or high value levels. The individual drainages are analyzed in Table A-I (following) based on the criteria outlined below. Hydrologic Regime This function is the ability of a wetland or stream to absorb and store water belowground. The degree of this saturation is dependent on the soil composition and is affected by prior flooding events. For example, clay soils possess more pore space than sandy soils. However, the smaller pore size slows the rate at which water is absorbed and released and, therefore, clay soil has a lower capacity to store water than sandy soils. The storage of water belowground allows for the fluctuation between anaerobic and aerobic condhions that benefit environmental conditions necessary for microbial cycling. Flood Storage and Flood Flow Modification This function is determined based on the ability of a wetland or stream at which the peak flow in a watershed can be attenuated during major storm events and during peak domestic flows to take in surface water that may otherwise cause flooding. This is dependent on the size of the wetland or stream, the amount of water it can hold, and the location in the watershed. For instance, larger wetlands or streams that have a greater capacity to receive waters have a greater ability to reduce flooding. In addition, areas high in the watershed may have more ability to reduce flooding in downstream areas, but areas lower in the watershed may have greater benefits to a specific area. Vegetation, shape, and the configuration of the wetland or stream may also affect flood storage by dissipating the energy of fiows during flood events. Sediment Retention Removal of sediment is the process that keeps sediments from migrating downstream. This is accomplished through the natural process of sediment retention and entrapment. This function is dependent on the sediment load being delivered by runoff into the watershed. Similar to above, the vegetation, shape, and configuration of a wetland will also affect sediment retention if water is detained for long durations, as would be the case with dense vegetation, a bowl-shaped watershed, or slow-moving water. This function would be demonstrated (i.e., high) if the turbidity of the incoming water is greater than that of the outgoing water. P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) A-1 LSA ASSOCIATES, SEPTEMBER 2011 JURISDICTIONAL DELINEATION REPORT VANCOUVER STREET SEWER EXTENSION PROJECT Nutrient Retention and Transformation Nutrient cycling consists of two variables: uptake of nutrients by plants and detritus turnover, in which nutrients are released for uptake by plants downstream. Wetland systems in general are much more productive with regard to nutrients than upland habitats. The regular availability of water associated with the wetland or stream may cause the growth of plants (nutrient uptake) and associated detritivores and generate nutrients that may be utilized by a variety of aquatic and terrestrial wildlife downstream. Toxicant Trapping The major processes by which wetlands remove nutrients and toxicants are as follows: (1) by trapping sediments rich in nutrients and toxicants, (2) by absorption to soils high in clay content or organic matter, and (3) through nitrification and denitrification in alternating oxic and anoxic conditions. Removal of nutrients and toxicants is closely tied to the processes that provide for sediment removal. Social Significance This is a measure of the probability that a wefiand or stream will be utilized by the public because of its natural features, economic value, official status, and/or location. This includes its being utilized by the public for recreational uses, such as boating, fishing, birding, walking, and other passive recreational activities. In addition, a wetland or stream that is utilized as an outdoor classroom, is a location for scientific study, or is near a nature center would have a higher social significance standing. Wildlife Habitat General habitat suitability is the ability of a wetland to provide habitat for a wide range of wildlife. Vegetation is a large component of wildlife habitat. As plant community diversity increases along with connectivity with other habhats, so does potential wildlife diversity. In addition, a variety of open water, intermittent ponding, and perennial ponding is also an important habitat element for wildlife. Aquatic Habitat The ability of a wetland or stream to support aquatic species requires that there be ample food supply, pool and riffle complexes, and sufficient soil substrate. Food supply is typically in the form of aquatic invertebrates and detrital matter from nearby vegetation. Pool and riffle complexes provide a variety of habitats for species diversity as well as habitat for breeding and rearing activities. Species diversity is directly related to the complexity of the habitat structure. Table A-1: Functions and Values of Drainages within the Study Area Hydrologic Regime Flood Storage & Flood Flow Modification Sediment Retention Nutrient Retention & Transformation Toxicant Trapping Social Significance Wildlife Habitat Aquatic Habitat V- ditches Low Low Low Low Low Low Low Low P:VHCR1103-Vancouver Street SewerVJD ReportVJD Report,doc (9/6/2011) A-2 LSA ASSOCIATES, INC. BIOLOGICAL RESOURCES REPORT FEBRUARY 2012 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA APPENDIX B 3 SPECIAL-STATUS SPECIES SUMMARY 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability PINIIIS Abronia maritima Red sand-verbena US:- CA: 4 Dime plant in coastal dunes below 330 feet elevation; formerly fairly widespread, but habitat has shrunk, especially in Southem Califomia (nearly extirpated). Known historically from coastal Califomia (including the Charmel Islands) from San Luis Obispo County to Baja Califomia. February- November (perennial herb) Absent: Suitable habitat (coastal dunes) is not present on the project site. Species was not observed during 2011 spring survey. Abronia villosa var. aurita Chaparral sand- verbena US:- CA: SP, IB Sandy areas in chaparral and coastal sage scrub and improbably in desert dunes or other sandy areas, below 5,300 feet elevation. In California, reported from Riverside, San Diego, Imperial, Los Angeles, and Ventura Counties. Believed extirpated frora Orange County. Also reported from Arizona and Mexico (Baja Califomia). Plants reported from desert communities are likely misidentified. March-August (armual herb) Absent: Suitable habitat (sandy areas) is not present on the project site. Species was not observed during 2011 spring survey. Acanthomintha ilicifolia San Diego thorn-mint US: FT CA: SE, IB Endemic to active vertisol clay soils of mesas and valleys within grasslands, chaparral, coastal scrub, and vemal pool communities; known from southwestern San Diego County and Baja Califomia; 30 to 3,000 feet elevation. April-June (annual herb) Low: Suitable habitat (clay soils) is present on the project site; however, species was not observed during 2011 spring survey. Adolphia californica California adolphia US:- CA: SP, 2 Sandy/gravelly to clay soils within grasslands, coastal sage scrub, and chaparral communities; known from westem San Diego County and Baja California; 50 to 2,400 feet elevation. December- May (perennial deciduous shrub) Absent: Suitable habitat (clay soils) is present on the project site, but this perennial shrub was not observed during 2011 spring survey. Ambrosia pumila San Diego ambrosia US: FE CA: SP, IB Occurs in open habitats in coarse substrates near drainages, and in upland areas on clay slopes or on the dry margins of vernal pools. This species occurs in a variety of associations dominated by sparse grasslands or marginal wetland habitats such as river terraces, pools, and alkali playas. Known populations in Riverside County are associated with silty alkaline soils in open, gently-sloped grasslands. Known from western San Diego County, southwestern April- October; generally non- flowering (perennial rhizomatous herb) Absent: Suitable habitat (open habitat in coarse substrates near drainages) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-1 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Riverside County (at Skunk Hollow, and north of Lake Elsinore along Nichols Road), and Baja Califomia from 70 to 1,400 feet elevation. Arctostaphylos glandulosa ssp, crassifolia Del Mar manzanita US: FE CA: SP, IB Sandy areas in maritime chaparral and coniferous forest, typically on coastal mesas and ocean bluffs, below 1,200 feet elevation. Known only from San Diego County, California. December- April (evergreen shmb) Absent: Suitable habitat (sandy areas within maritime chaparral and coniferous forest) is not present on the project site. Perennial shmb was not observed during 2011 spring survey. Artemisia palmeri San Diego sagewort US:- CA: SP, 4 Primarily found in drainages and riparian areas in sandy soil within coastal scrub, chaparral, riparian forest, riparian woodland; knovwi from San Diego and Riverside Counties and Baja Califomia; 50 to 3,000 feet elevation. Febmary- September (biennial or perennial deciduous shrub) Absent: Suitable habitat (riparian areas adjacent to upland scrub) is not present on the project site. Perennial shrub was not observed during the 2011 spring survey. Asplenium vespertinum Western spleenwort US:- CA:4 Rocky sites in chaparral, cismontane woodland, and coastal scmb. Known from Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura Counties; 590 to 3280 feet elevation. February-June (perennial rhizomatous herb) Absent: Suitable habitat (rocky sites in coastal scrub) is not present on the project site. Species was not observed during the 2011 spring survey. Astragalus tener var. titi Coastal dunes milk- vetch US:FE CA: SE, IB Moist, sandy depressions of coastal dunes and bluffs, or clay terrace, below 160 feet elevation. Known to occur only in Monterey County. Believed extirpated from Los Angeles County. May also be extirpated from San Diego County. March-May (annual herb) Absent: Suitable habitat (coastal dunes and bluffs) is not present on the project site. Species was not observed • during the 2011 spring survey. Atriplex coulteri Coulter's saltbush US:- CA: SP, IB Alkaline or clay soils in ocean bluffs and ridge tops and alkaline low places in coastal bluff scrub, coastal dunes, coastal sage scmb, and valley and foothill grasslands below 1,500 feet elevation. In California, known only from Los Angeles, Orange, Santa Barbara, San Bemardino, San Luis Obispo, Ventura, and San Diego Counties. Also occurs in Mexico. Reports of March- October (perennial herb) Absent: Suitable habitat (alkaline low places within coastal sage scrub) is present on the project site; however, perennial species was not observed during the 2011 spring survey. 3/5/2012 (PiVHCRl 103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-2 LSA ASSOCIATES. INC, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD. CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability this species from Riverside County are based on misidentification of Atriplex serenana ssp. davidsonii (The Vascular Plants of Westem Riverside County, Califomia. P.M. Roberts et al., 2004). Atriplex pacifica South Coast saltscale US:- CA: SP, IB Alkali soils in coastal sage scrub, playas, coastal bluff scmb, coastal dunes, and chenopod scrub below 600 feet elevation, and perhaps formerly up to about 1,400 feet in Los Angeles County. In Califomia, known from the Channel Islands and mainland Los Angeles, San Diego and Orange Counties. Also occurs in Mexico. Believed extirpated from Ventura County. Reports of this species from Riverside County are based on misidentification of Atriplex serenana ssp. davidsonii (The Vascular Plants of Western Riverside County, Califomia. F.M. Roberts et al., 2004). March- October (annual herb) Low: Marginally suitable habitat (mild alkaline soils in coastal sage scrub) is present on the project site. Species was not observed during the 2011 spring survey. Atriplex serenana var. davidsonii Davidson's saltscale US:- CA: SP, IB Alkaline soils in scmb and herbaceous communities from 30 to 1,500 feet elevation. In Califomia, known only from Los Angeles (?), Orange, Riverside, San Diego, San Luis Obispo, and Ventura Counties. Believed extirpated from Santa Barbara and perhaps Los Angeles Counties. Also occurs in Mexico. April-October (annual herb) Low: Marginally suitable habitat (mild alkaline soils in scmb) is present on the project site. Species was not observed during the 2011 spring survey. Baccharis vanessae Encinitas baccharis US: FT CA: SE, IB Sandstone soils in steep, open, rocky areas in chaparral at 200 to 2,400 feet elevation. Known only from San Diego County, California. August- November (perennial deciduous shrub) Absent: Suitable habitat (rocky areas in chaparral) is not present on the project site and this perennial shrub was not observed during 2011 spring survey. Bloomeria clevelandii San Diego goldenstar US:- CA: SP, IB Clay soils in chaparral, coastal sage scrub, valley and foothill grassland and vemal pools; 200 to 1,500 (3,600?) feet elevation. Only known from San Diego County and Baja Califomia. April-May (perennial bulbiferous herb) Moderate: Suitable habitat (clay soils) is present on the project site. Perennial species not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-3 LSA ASSOCIATES. INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Brodiaea filifolia Thread-leaved brodiaea US: FT CA: SE, IB Often clay, loamy sand, or alkaline soils; open grasslands at edges of vemal pools or floodplains, chaparral opening, cismontane woodlands, and coastal scmb. Below 4,000 feet elevation. Los Angeles, Orange, Riverside, and San Diego Counties; known from about 20 locations. March-June (perennial bulbiferous herb) Moderate: Suitable habitat (clay soils within open grasslands [non- native grasslands and disturbed areas]) is present on the project site. Species was not observed during 2011 spring survey. Brodiaea orcuttii Orcutt's brodiaea US:- CA: SP, IB Clay and some serpentine soils in grasslands near streams or vemal pools, also known from woodlands, chaparral, and conifer forest; sea level to 5,300 feet elevation; Orange, Riverside, and San Diego Counties, and Baja Califomia. May-July (perennial bulbiferous herb) Low: Marginally suitable habitat (grasslands [non- native grasslands and disturbed areas]) is present on the project site. Species was not observed during 2011 spring survey. Camissonia lewisii Lewis' evening- primrose US:- CA: 3 Sandy or clay soils in coastal scrub, grassland, and woodland below 1,000 feet elevation. In Califomia known only from Los Angeles and San Diego Counties. Believed extirpated from Orange County. Also occurs in Mexico. March-June (annual herb) Low: Suitable habitat (clay soils) is present on the project site. Species was not observed during 2011 spring survey. Ceanothus verrucosus Wart-stemmed ceanothus US:- CA: SP, 2 Chaparral in westem San Diego County and northem Baja California; sea level to 1,250 feet elevation. December- May (perennial shmb) Absent: Suitable habitat (chaparral) is not present on the project site and perennial shmb was not observed during 2011 spring survey. Centromadia parryi ssp. australis Southern tarplant US:- CA: SP, IB In vemally wet areas such as edges of marshes and vemal pools, at edges of roads and trails, and in other areas of compacted, poorly drained, or alkaline soils where competition from other plants is limited, often due to disturbance, below 1,400 feet elevation. In California, known only from Santa Barbara, Ventura, Los Angeles, Orange and San Diego Counties. Also occurs in Mexico. May- November (annual herb) Absent: Suitable habitat (vemally wet areas) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (PiVHCRl 103-Vancouver Street SewerVBio ResourcesVBiological Resom-ces Report doc) B-4 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Centromadia pungens ssp. laevis Smooth tarplant US:- CA: SP, IB Alkaline areas in chenopod scrub, meadows, playas, riparian woodland, valley and foothill grassland below 1,600 feet elevation. Known from Riverside and San Bemardino Counties; extirpated from San Diego County. April- November (annual herb) Absent: Marginally suitable habitat (mild alkaline areas in grassland [non- native]) is present on the project site; species was not observed during the 2011 spring survey. Extirpated from San Diego County. Chaenactis glabriuscula var. orcuttiana Orcutt's pincushion US:- CA: SP, IB Sandy areas of coastal bluff scmb and coastal sand dunes at elevations from 10 to 300 feet. Known from Los Angeles, Orange, San Diego, and Ventura Counties, and Baja Califomia. January- August (annual herb) Absent: Suitable habitat (sandy areas) is not present on the project site. Species was not observed during the 2011 spring survey. Chorizanthe orcuttiana Orcutt's spineflower US: FE CA: SE, IB Sandy soils in coastal scrub, chaparral, and closed-cone coniferous forest at 10 to 410 feet elevation. Known only from San Diego County, Califomia. March-May (annual herb) Absent: Suitable habitat (sandy soils) is not present on the project site. Species was not observed during 2011 spring survey. Chorizanthe polygonoides var. longispina Long-spined spineflower US:- CA: SP, IB Clay soils in chaparral, coastal scrub, meadows and seeps, valley and foothill grassland at 100 to 4,800 feet elevation. Occurs in Riverside and San Diego Counties. April-July (annual herb) Low: Suitable habitat (clay soils) is present on the project site. Species was not observed during 2011 spring survey. Cistanthe maritima Seaside calandrinia US:- CA:4 Sea bluffs and sandy sites in coastal bluff scrub, coastal scrub, and valley and foothill grassland from 15 to 1,000 feet in elevation. Known from Los Angeles, Orange, Santa Barbara, San Diego, and Ventura Counties, including the Channel Islands, and Baja California. Febmary- August (perennial herb) Absent: Suitable habitat (sandy sites) is not present on the project site. Perennial species was not observed during 2011 spring survey. Clarkia delicata Delicate clarkia US:- CA: SP, IB Often gabbroic soils in chaparral and cismontane woodland at 830 to 3,280 feet elevation. Known only from San Diego County, Califomia. April-June (annual herb) Absent: Suitable habitat (gabbroic soils) is not present on the project site; the project site is located below the species known elevation range. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-5 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Comarostaphylis diversifolia ssp. diversifolia Summer holly US:- CA: SP, IB Evergreen shrub found in chaparral at elevations from 100 to 1,800 feet. Known from Orange, Riverside, and San Diego Counties, and Baja Califomia. April-June (year-round evergreen shrub) Absent: Suitable habitat (chaparral) is not present on the project site and this perennial shrub was not observed during 2011 spring survey. Convolvulus simulans Small-flowering morning glory US:- CA: 4 Wet clay and serpentine seeps and ridges in chaparral, coastal scmb, and valley and foothill grassland from 100 to 2,300 feet elevation. Known from Contra Costa County to Baja Califomia, including the Channel Islands. Rare in Southern Califomia. March-July (armual herb) Low: Marginally suitable habitat (clay soils) is present on the project site. Species was not observed during 2011 spring survey. Corethrogyne fllaginifolia var incana San Diego sand aster US:- CA: SP, IB Disturbed sites within coastal scrub, coastal bluff scrub, and chaparral communities; known from coastal San Diego County and Baja Califomia; 10 to 400 feet elevation. June- September (perennial herb) Absent: Marginally suitable habitat (coastal scrub) is present on the project site; however, this perennial species was not observed during 2011 spring survey. Corethrogyne fllaginifolia var linifolia Del Mar Mesa sand aster US:- CA: SP, IB Coastal bluff scrub, chaparral (maritime chaparral, openings), and coastal scmb. Known from coastal San Diego County and Baja Califomia; 50 to 495 feet elevation. May- September (perennial herb) Absent: Marginally suitable habitat (coastal scrub) is present on the project site; however, this perennial species was not observed during 2011 spring survey. Deinandra paniculata Paniculate tarplant US:- CA: 4 Usually in vemally mesic sites, sometimes in vemal pools or on mima mounds near them, in coastal scmb and valley and foothill grassland. Known from Orange, Riverside, San Bernardino, and San Diego Counties; 80 to 3,100 feet elevation. April- November (annual herb) Low: Marginally suitable habitat (coastal scmb and grassland [non- native]) is present on the project site. Species was not observed during 2011 spring survey. Dichondra occidentalis Western dichondra US:- CA:4 Mostly dry sandy banks in scrub or under trees; coastal sage scrub, chaparral, oak woodland. Coastal Los Angeles (?), Marin (?), Santa Barbara, Ventura, Orange, and San Diego Counties, including the Channel Islands, and Baja Califomia; 200 to 1,700 feet elevation. January-July (perennial rhizomatous herb) Absent: Marginally suitable habitat (coastal sage scmb) is present on the project site; however, this perennial species was not observed during 2011 spring survey. 3/5/2012 (P:\HCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-6 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Dudleya blochmaniae ssp. blochmaniae Blochman's dudleya US:- CA: SP, IB Dry, rocky, or stony places below 1,500 feet, often on serpentine armual grassland and coastal sage scmb. Coastal areas from San Luis Obispo County south to Baja Califomia. April-June (perennial herb) Absent: Suitable habitat (dry, rocky, or stony places) is not present on the project site. Perennial species was not observed during 2011 spring survey. Dudleya multicaulis Many-stemmed dudleya US:- CA: SP, IB Heavy, often clay soils or around granitic outcrops in chaparral, coastal sage scmb, and grassland below 2,600 feet elevation. Known only from Los Angeles, Orange, Riverside, San Bernardino, and San Diego Counties. April-July (perennial herb) Low: Suitable habitat (clay soils) is present on the project site. However, this perennial species was not observed during 2011 spring survey. Dudleya variegata Variegated dudleya US:- CA: SP, IB In rocky or clay soils within chaparral, coastal scrub, cismontane woodland, valley and foothill grassland, and margins of vemal pools; known from westem San Diego County and Baja Califomia; 10 to 1,900 feet elevation. April-June (perennial herb) Low: Suitable habitat (clay soils within coastal scrub) is present on the project site. However, this perennial species was not observed during 2011 spring survey. Dudleya viscida Sticky dudleya US:- CA: SP, IB Rocky areas in coastal bluff scrub, chaparral, coastal sage scmb; below 1,800 feet elevation. Known from Orange, Riverside, and San Diego Counties. May-June (perennial herb) Absent: Suitable habitat (rocky areas) is not present on the project site. Species was not observed during 2011 spring survey. Eryngium aristulatum var. parishii San Diego button-celery US: FE CA: SE, IB Vemal pools at 50 to 2,035 feet elevation. In Califomia, known only from Riverside and San Diego Counties. In Riverside County, this species is known only from the Santa Rosa Plateau. Also known from Baja Califomia. April-June (annual/ perennial herb) Absent: Suitable habitat (vernal pools) is not present on the project site. Perennial species was not observed during 2011 spring survey. Eryngium pendletonense Pendleton button-celery US:- CA: SP, IB Vemally mesic sites in coastal bluff scrub, valley and foothill grassland, and vemal pools at 50 to 360 feet elevation. Known only from San Diego County. April-June (perennial herb) Absent: Suitable habitat (vemally mesic sites) is not present on the project site. Perennial species was not observed during 2011 spring survey. 3/5/2012 (P:\HCR1103-Vancouver Street SewertBio ResourcesVBiological Resources Report,doc) B-7 LSA ASSOCIATES. INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Erysimum ammophilum Sand-loving wallflower US:- CA: SP, IB Sandy openings in chaparral (maritime), coastal dunes, and coastal scmb below 200 (430?) feet elevation. Known from Monterey, Santa Barbara, Santa Cruz, San Diego, and San Mateo Counties, and Santa Rosa Island. Febmary-June (perennial herb) Absent: Suitable habitat (sandy openings) is not present on the project site and this perennial species was not observed during 2011 spring survey. Euphorbia misera Cliff spurge US:- CA: SP, 2 Rocky sites within coastal bluff scrab, coastal sage scrub, and Mojavean desert scrub; 100 to 1,650 feet elevation. Known from the Channel Islands, coastal Orange and San Diego Counties, Riverside County deserts, and Baja Califomia. December- August (perermial shrub) Absent: Suitable habitat (rocky sites) is not present on the project site and this perennial shrub was not observed during 2011 spring survey. Ferocactus viridescens San Diego barrel cactus US:- CA: SP, 2 Often on exposed, level or south- facing slopes within chaparral, coastal scrub, and valley and foothill grasslands. Known from southwestem San Diego County and Baja Califomia; 10 to 1,500 feet elevation. May-June (perennial stem succulent) Absent: Marginally suitable habitat (coastal scrub) is present on the project site; however, this peretmial species was not observed during 2011 spring survey. Harpagonella palmeri Palmer's grapplinghook US:- CA: SP, 4 Clay soils in openings in coastal sage scmb, juniper woodland, and grassland; below 3,130 feet elevation. In California, known only from Orange, Los Angeles, Riverside, and San Diego Counties and the Channel Islands. Also known from Arizona, and Baja California and Sonora, Mexico. March-May (annual herb) Low: Suitable habitat (clay soils) is present on the project site. Species was not observed during 2011 spring survey. Hazardia orcuttii Orcutt's hazardia US: FC CA: ST, IB Often found on clay soils in the grassy edges of chaparral and coastal scrub below 280 feet elevation. Known only from Lux Canyon (Encinitas/Rancho Santa Fe area) of San Diego County, Califomia. August- October (perennial evergreen shmb) Low: Suitable habitat (clay soils) is present on the project site. However, this perennial shmb was not observed during 2011 spring survey. Heterotheca sessiliflora ssp. sessiliflora Beach goldenaster US:- CA: SP, IB Sandy sites in coastal dunes, coastal scrub, and chaparral (coastal) below 4,015 feet elevation. Known only from San Diego County (primarily coastal) and Baja California. Presumed extirpated from Santa Barbara County. March- December (perennial herb) Absent: Suitable habitat (sandy sites) is not present on the project site. Perennial species was not observed during 2011 spring survey. 3/5/2012 (P:\HCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-8 LSA ASSOCIATES. INC, FEBRUARV 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Holocarpha virgata ssp. elongata Graceful tarplant US:- CA: 4 Found in chaparral, coastal scrub, valley and foothill grassland, and cismontane woodland; 200 to 3,600 feet elevation. Known from Orange, Riverside, and San Diego Counties. May- November (annual herb) Low: Marginally suitable habitat (coastal scrub) is present on the project site. Species was not observed during 2011 spring survey. Horkelia truncata Ramona horkelia US:- CA: SP, IB Clay and gabbroic soils in chaparral and cismontane woodland; 1,000 to 4,900 feet elevation. Known from Peninsular Ranges in San Diego County and Baja Califomia. May-June (perennial herb) Absent: Suitable habitat (clay soils) is present on the project site. However, the project site is located below the species known elevation range and this perennial species was not observed during 2011 spring survey. Isocoma menziesii var. decumbens Decumbent goldenbush US:- CA: SP, IB Sandy soils, often in disturbed areas, in coastal scrab and chaparral from 30 to 440 feet elevation. Known from mainland Orange and San Diego Counties and from San Clemente and Santa Catalina Islands in California. Also occurs in Baja California. April- November (perennial shmb) Absent: Suitable habitat (sandy soils) is not present on the project site. Perennial shrub was not observed during 2011 spring survey. Iva hayesiana San Diego marsh-elder US:- CA: SP, 2 River washes, marshes, swamps, and playas; known from westem San Diego County and Baja Califomia; 30 to 1,650 feet elevation. April- September (peretmial herb) Absent: Suitable habitat (river washes, marshes, swamps, and playas) is not present on the project site and this perennial species was not observed during 2011 spring survey. Juncus acutus ssp. leopoldii Southwestern spiny rush US:- CA: 4 Moist, saline places in salt marshes, alkaline seeps, and coastal dunes (mesic sites); 10 to 2,950 feet elevation. Known from Imperial (?), Los Angeles, Orange, Santa Barbara, San Diego, San Luis Obispo, and Ventura Counties, Arizona, and Baja Califomia. May-June (perennial rhizomatous herb) Absent: Suitable habitat (salt marshes, alkaline seeps, and coastal dunes) is not present on the project site. Perennial species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-9 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CI TY OF C A RLSBA D , CALIFO RNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Lasthenia glabrata ssp. coulteri Coulter's goldfields US:- CA: SP, IB Usually alkaline soils in marshes, swamps (coastal salt), playas, vemal pools, and valley and foothil! grassland below 4,600 feet elevation. Known from Colusa, Merced, Tulare (?), Orange, Riverside, Santa Barbara, San Diego, San Luis Obispo, and Ventura Counties. Believed extirpated from Kem, Los Angeles, and San Bemardino Counties. Also occurs in Mexico. Febraary-June (annual herb) Low: Marginally suitable habitat (mild alkaline soils) is present on the project site. Species not observed during 2011 spring survey. Lepidium virginicum var. robinsonii Robinson's pepper- grass US:- CA: SP, IB Dry soils in coastal sage scrub and chaparral, typically below 1,600 (2,900) feet elevation. In California, known from Los Angeles, Orange, Riverside, Santa Barbara, San Bemardino, and San Diego Counties, and the Channel Islands. Also occurs in Baja California. January-July (annual herb) Low: Marginally suitable habitat (coastal sage scrab) is present on the project site. Species was not observed during 2011 spring survey. Leptosyne maritima Sea dahlia US:- CA: SP, 2 Occurs on a variety of soil types, including sandstone in coastal scrab and coastal bluff scrub; 15 to 500 feet elevation. Known only from Coastal San Diego County and Baja California. March-May (perennial herb) Low: Marginally suitable habitat (coastal scrub) is present on the project site; however, this perennial species was not observed during 2011 spring survey. Lotus nuttallianus Nuttall's lotus US:- CA: SP, IB On coastal sand dunes or within coastal scrub in sandy areas below 35 feet elevation. Known from coastal San Diego County and Baja Califomia. March-June (annual herb) Absent: Suitable habitat (sand dunes) is not present on the project site and the project site is located above the species known elevation range. Species was not observed during 2011 spring survey. Microseris douglasii ssp. platycarpha Small-flowered microseris US:- CA:4 Alkaline or clay soils along river bottoms in cismontane woodland, valley and foothill grassland, coastal scrub, and vemal pools; 50 to 3,510 feet elevation. Known from Los Angeles, Orange, Riverside, and San Diego Counties, San Clemente and Santa Catalina Islands, and Baja California. March-May (annual herb) Low: Marginally suitable habitat (mild alkaline or clay soils) is present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-10 LSA ASSOCIATES, INC, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Mimulus diffusus Palomar monkeyflower US:- CA: 4 Sandy or gravelly soils in chaparral and lower montane coniferous forest; 4,000 to 6,000 feet elevation. Known from Orange, Riverside, and San Diego Counties, and Baja Califomia. April-June (annual herb) Absent: Suitable habitat (sandy or gravelly soils in chaparral or coniferous forest) is not present on the project site and the site is below the species knovm elevation range; not observed during the 2011 spring survey. Monardella hypoleuca ssp. lanata Felt-leaved monardella US:- CA: SP, IB Chaparral and cismontane woodland; 1,000 to 3,900 feet elevation. Known from Peninsular Ranges in Orange and San Diego Counties and from northern Baja Califomia. June-August (peretmial rhizomatous herb) Absent: Suitable habitat (chaparral or cismontane woodland) is not present on the project site and the site is below the species known elevation range; not observed during the 2011 spring survey. Myosurus minimus ssp. apus Little mousetail US:- CA: SP, 3 Alkaline areas in vemal pools at 70 to 2,100 feet elevation. Known only from the Central Valley of Califomia and the coastal and inland areas of Southern Califomia. March-June (annual herb) Absent: Suitable habitat (vemal pools) is not present on the project site. Species was not observed during 2011 spring survey. Nama stenocarpum Mud nama US:- CA: SP, 2 Lake shores, riverbanks, and similar intermittently wet areas at 20 to 1,600 feet elevation. Known in Califomia from San Diego, Orange, Riverside, and Kings Counties, and San Clemente Island. Believed extirpated from Los Angeles and Imperial Counties. Known also from Baja California and Arizona. January-July (annual or perennial herb) Absent: Suitable habitat (lake shores, riverbanks, and similar wet areas) is not present on the project site and this perennial species was not observed during 2011 spring survey. Navarretia fossalis Spreading navarretia US: FT CA: SP, IB Vemal pools, chenopod scrub, marshes and swamps playas. Known from Los Angeles, Riverside, San Luis Obispo, and San Diego Counties, and Baja Califomia; 100 to 4,300 feet elevation. April-June (annual herb) Absent: Suitable habitat (vernal pools) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (PiVHCRl 103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-11 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Nemacaulis denudata var. denudata Coast woolly-heads US:- CA: SP, IB Sandy places such as coastal dunes below 300 feet elevation. Known in Califomia from Orange, Los Angeles, and San Diego Counties. Believed extirpated from Santa Catalina Island. Also occurs in Baja Califomia. April- September (annual herb) Absent: Suitable habitat (coastal dunes) is not present on the project site. Species was not observed during 2011 spring survey. Nemacaulis denudata var. gracilis Slender cottonheads US:- CA: SP, 2 Coastal or desert dunes, sandy mesquite hummocks, or similar sandy sites at -160 to 1,800 feet elevation. Known from Imperial, Riverside, San Bernardino, and San Diego Counties in Califomia, and Arizona and Mexico. March-May (annual herb) Absent: Suitable habitat (dunes) is not present on the project site. Species was not observed during 2011 spring survey. Nolina cismontana Chaparral nolina US:- CA: SP, IB Evergreen shrub found in sandstone or gabbroic soils in chaparral and coastal sage scrab; 500 to 4,200 feet elevation. Known from Los Angeles, Orange, San Diego, and Ventura Counties. May-July (perennial evergreen shrub) Absent: Suitable habitat (sandstone or gabbroic soils) is not present on the project site; the site is below the species known elevation range; and this perennial shrab was not observed during 2011 spring survey. Orcuttia californica California Orcutt grass US: FE CA: SE, IB Vemal pools from 50 to 2,200 feet elevation. In Califomia, known from Los Angeles, Ventura, Riverside, and San Diego Counties. Also occurs in Baja Califomia. April-August (annual herb) Absent: Suitable habitat (vemal pools) is not present on the project site. Species was not observed during 2011 spring survey. Orobanche parishii ssp. brachyloba Short-lobed broomrape US:- CA: SP, 4 Sandy soils near beaches in coastal bluff scrub, coastal dunes, and coastal scrab; 10 to 560 feet elevation. Knovra from Los Angeles, Santa Barbara, San Diego, San Luis Obispo, and Ventura Counties, the Channel Islands, and Baja Califomia. April-October (parasitic perennial herb) Absent: Suitable habitat (sandy soils near beaches) is not present on the project site. Species was not observed during 2011 spring survey. Phacelia ramosissima var. austrolitoralis South coast branching phacelia US:- CA: 4 Sandy, sometimes rocky sites in chaparral, coastal scrub, coastal dunes, and coastal salt marsh; 20 to 1,000 feet elevation. Knovra from Los Angeles, Monterey (?), Orange, Santa Barbara, San Diego, San Luis Obispo (?), and Ventura Counties. Also occurs in Baja Califomia. March-August (perennial herb) Absent: Suitable habitat (sandy or rocky sites) is not present on the project site. Peretmial species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-12 LSA ASSOCIATES, INC, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Phacelia stellaris Brand's star phacelia US: FC CA: SP, IB Dunes and sandy openings in coastal scrub communities at 20 to 1,300 feet elevation. Known only from San Diego County and Baja Califomia. Believed extirpated from Los Angeles County. March-June (annual herb) Absent: Suitable habitat (dunes and sandy openings) is not present on the project site. Species was not observed during 2011 spring survey. Pinus torreyana ssp. torreyana Torrey pine US:- CA: SP, IB On dry, sandstone slopes in closed- cone coniferous forest and chaparral; 230 to 530 feet elevation. Knovra from Santa Barbara and San Diego Counties. Perennial evergreen tree Absent: Suitable habitat (dry, sandstone slopes in coniferous forest and chaparral) is not present on the project site. Perennial tree was not observed during 2011 spring survey. Psilocarphus brevissimus var. multiflorus Delta woolly-marbles US:- CA: 4 Found in vemal pools; also on flats. Known from Alameda, Napa, Santa Clara, San Diego, San Joaquin, Solano, Stanislaus, and Yolo Counties; 30 to 1,650 feet elevation. May-June (annual herb) Absent: Suitable habitat (vemal pools) is not present on the project site. Species was not observed during 2011 spring survey. Quercus dumosa Nuttall's scrub oak US:- CA: SP, IB On sandy and clay loam soils near the coast within closed-cone coniferous forest, chaparral, and coastal scrub. Known from western Orange, Santa Barbara, and San Diego Counties, and Baja California; 50 to 1,315 feet elevation. Febraary- August (perennial evergreen shmb) Absent: Suitable habitat (sandy or clay loam soils) is not present on the project site. Perennial shrub was not observed during 2011 spring survey. Quercus engelmannii Engelmann oak US:- CA: 4 Chaparral, cismontane woodland, riparian woodland, and valley and foothill grasslands; 400 to 4,300 feet elevation. Known frora Los Angeles, Orange, Riverside, and San Diego Counties, and northem Baja Califomia. One tree remains on Santa Catalina Island. March-June (perermial deciduous tree) Absent: Marginally suitable habitat (grasslands [non- native]) is present on the project site. However, the site is below the species known elevation range and this perennial tree was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-13 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Stemodia durantifolia Purple stemodia US:- CA: SP, 2 Wet sand or rocks and drying river beds from 600 to 1,000 fe^t elevation in Sonoran desert scrab. In Califomia, knovra only from San Diego County. Believed extirpated from Riverside County. Also occurs in Texas, Arizona, and Mexico. January- December (perennial herb) Absent: Suitable habitat (wet sand or rocks and drying river beds) is not present on the project site; the site is below the species known elevation range; and this perennial species was not observed during 2011 spring survey. Suaeda esteroa Estuary seablite US:- CA: SP, IB Coastal salt marshes and swamps below 15 feet elevation. Occurs along immediate coast from Ventura County to Baja Califomia. Believed extirpated from Santa Barbara County. May-January (perennial herb) Absent: Suitable habitat (coastal salt marsh) is not present on the project site; the site above the species known elevation range; and this perennial species was not observed during 2011 spring survey. Tetracoccus dioicus Parry's tetracoccus US:- CA: SP, IB Dry stony slopes in chaparral and coastal sage scrab. Known from Orange, Riverside, and San Diego Counties, and Baja Califomia; 500 to 3,300 feet elevation. April-May (perennial deciduous shrub) Absent: Marginally suitable habitat (coastal sage scrub) is present on the project site. However, the site is below the species known elevation range, and this perennial shrab was not observed during 2011 spring survey. Viguiera laciniata San Diego County viguiera US:- CA: 4 Slopes and ridges in chaparral and coastal scrub. Known from Orange and San Diego Counties, and Mexico; 295 to 2,460 feet elevation. February- August (perennial shrub) Absent: Marginally suitable habitat (coastal scrub) is present on the project site. However, the site is below the species known elevation range, and this perennial shrub was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Streef SewerVBio ResourcesVBiological Resources Report,doc) B-14 LSA ASSOCIATES, INC, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Inwrirbraics Tryonia imitator Mimic tryonia (=California brackishwater snail) US:- CA: SA Inhabits coastal lagoons, estuaries, and salt marshes, from Sonoma County south to San Diego County. Found only in permanently submerged areas in a variety of sediment types; able to withstand a wide range of salinities. Presumed year-round Absent: Suitable habitat (coastal marshes, lagoons, and estuaries) is not present on the project site. Species was not observed during 2011 spring survey. Branchinecta sandiegonensis San Diego fairy shrimp US: FE CA: SA Small, shallow (usually less than 1 foot deep), relatively clear, but unpredictable, vemal pools on coastal terraces. Pools must retain water for a minimum of 13 days for this species to reproduce (3-8 days for hatching, and 10 to 20 days to reach reproductive maturity). Known from Orange and San Diego Counties, and Baja Califomia. Seasonally following rains in late fall, winter and spring Absent: Suitable habitat (vemal pools) is not present on the project site. Species was not observed during 2011 spring survey. Streptocephalus wootoni Riverside fairy shrimp US:FE CA: SA Warm-water vemal pools (i.e., large, deep pools that retain water into the warm season) with low to moderate dissolved solids, in annual grassland areas interspersed through chaparral or coastal sage scrub vegetation. Suitable habitat includes some artificially created or enhanced pools, such as some stock ponds, that have vemal pool like hydrology and vegetation. Known from areas within about 50 miles of the coast from Ventura County south to San Diego County and Baja Califomia. Seasonally following rains; typically January-April Absent: Suitable habitat (vemal pools) is not present on the project site. Species was not observed during 2011 spring survey. Cicindela senilis frosti Senile tiger beetle US:- CA: SA Inhabits marine shoreline, from central California coast south to salt marshes of San Diego, also found at Lake Elsinore. Inhabits dark-colored mud in the lower zone and dried salt pans in the upper zone. Presumed spring-fall Absent: Suitable habitat (marine shoreline, salt marshes) is not present on the project site. Species was not observed during 2011 spring survey. Lycaena hermes Hermes copper US:- CA: SA Endemic to San Diego County and adjacent Baja California. Restricted to the vicinity of the host plant, Rhamnus crocea. May-June Absent: Suitable habitat (Rhamnus crocea) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-15 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITV OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Danaus plexippus (wintering sites) Monarch butterfly US:- CA: SA In Califomia, winter roosts are located along the coast north to the San Francisco Bay area in wind- protected tree groves (eucalyptus, Monterey pine, cypress) with nectar and water sources nearby. September- March Absent: Suitable habitat (wind- protected tree groves) is not present on the project site. Species was not observed during 2011 spring survey. Fish Gila orcuttii Arroyo chub US:- CA: SSC Peretmial sticams or intcrmiUciU streams with permanent pools; slow water sections of streams with mud or sand substrates; spavraing occurs in pools. Native to Los Angeles, San Gabriel, San Luis Rey, Santa Ana, and Santa Margarita River systems; introduced in Santa Ynez, Santa Maria, Cuyama, and Mojave River systems and smaller coastal streams. Year-round .Vbsent: Suitable habitat (perennial or intermittent streams) is not present on the project site. Species was not observed during 2011 spring survey. Eucyclogobius newberryi Tidewater goby US:FE CA: SSC Brackish water habitats along the Califomia coast from Agua Hedionda Lagoon (San Diego County) to the mouth ofthe Smith River (Del Norte County). Found in shallow lagoons and lower stream reaches. Year-round Absent: Suitable habitat (brackish waters) is not present on the project site. Species was not observed during 2011 spring survey. ,\inpiiil)ians Spea hammondii Western spadefoot US:- CA: SSC Grasslands and other relatively open habitats; requires pools (persisting for at least three weeks) for breeding; burrows in loose soils during dry season. Occurs in the Central Valley and adjacent foothills, the non-desert areas of southern California, and in northwestern Baja Califomia. October-April (foUowing onset of winter rains) Absent: Suitable habitat (pools and loose soils) is not present on the project site. Species was not observed during 2011 spring survey. Anaxyrus californicus Arroyo toad US: FE CA: SSC Washes and arroyos with open water; sand or gravel beds; for breeding, pools with sparse canopy. Coastal and a few desert strearas from Monterey County to Baja Califomia. March-July Absent: Suitable breeding habitat (washes and arroyos) is not present on or near the project site. Species was not observed during 2011 spring survey. 3/5/2012 (PiVHCRl 103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-16 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Reptiles Emys marmorata Western pond turtle US:- CA: SSC Inhabits permanent or nearly permanent water below 6,000 feet from westem Washington (at least formerly), west of the Sierra- Cascade crest, south to north- westem Baja Califomia. Absent from desert regions, except in the Mojave Desert along the Mojave River and its tributaries. Requires basking sites such as partially submerged logs, rocks, or open mud banks. Year-round with reduced activity November- March Absent: Suitable habitat (permanent water source) is not present on the project site. Species was not observed during 2011 spring survey. Coleonyx variegatus abbotti San Diego banded gecko US:- CA: SA Chaparral, coastal sage scrub, and desert habitats (often with rocks) from southwestem Califomia to northem Baja Califomia Sur. Wanner months Absent: Suitable habitat (rocky coastal sage scrab) is not present on the project site. Species was not observed during 2011 spring survey. Phrynosoma blainvillii Blainville's horned lizard US:- CA: SSC Wide variety of habitats including coastal sage scrub, grassland, and riparian woodland; typically on or near loose sandy soils; coastal and inland areas from Ventura County to Baja California. April-July with reduced activity August- October Low: Marginally suitable habitat (coastal sage scrab and grassland [non- native]) is present on the project site. Species was not observed during 2011 spring survey. Plestiodon skiltonianus interparietalis Coronado Island skink US:- CA: SSC Occurs in variety of plant communities including coastal sage scrab, mesic chaparral, oak woodlands, pinyon-juniper, and riparian woodlands to pine forests. Found west of the deserts from Riverside County to Baja Califomia. Diurnal. Activity is bimodal; early spring-early fall Low: Marginally suitable habitat (coastal sage scrub) is present on the project site. Species was not observed during 2011 spring survey. Aspidoscelis hyperythra Orange-throated whiptail US:- CA: SSC Prefers washes and other sandy areas with patches of brash and rocks, in chaparral, coastal sage scrub, juniper woodland, and oak woodland from sea level to 3,000 feet elevation. Perennial plants required. Occurs in Riverside, Orange, San Diego Counties west ofthe crest of the Peninsular Ranges, in extreme southem San Bemardino County near Colton, and in Baja California. March-July with reduced activity August- October Low: Marginally suitable habitat (coastal sage scrab) is present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-17 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence ProbabiUty Aspidoscelis tigris stejnegeri Coastal whiptail US:- CA: SA Wide variety of habitats including coastal sage scrub, sparse grassland, and riparian woodland; coastal and inland valleys and foothills; Ventura County to Baja California. April-August Low: Marginally suitable habitat (coastal sage scrub) is present on the project site. Species was not observed during 2011 spring survey. Anniella pulchra pulchra Silvery legless lizard US:- CA: SSC Fossorial. Inhabits loose soil and humus from central Califomia to northem Baja Califomia. Year-round Absent: Suitable habitat (loose soils) is not present on the project site. Species was not observed during 2011 spring survey. Charina trivirgata Rosy boa US:- CA: SA In rocky areas in chaparral or scrub habitats or adjacent oak woodland; also in rocky riparian areas. Found from southern California and westem Arizona south to Sonora and Baja California Sur. Nocturnal. Rarely active during day. Active between April and September Absent: Suitable habitat (rocky areas) is not present on the project site. Species was not observed during 2011 spring survey. Diadophis punctatus similis San Diego ringneck snake US:- CA: SA Under cover of rocks, wood, bark, boards, and other surface debris in a variety of habitats. Prefers moist habitats from San Diego County to northwestem Baja California. Diumal. Crepuscular and noctumal during warmer periods Absent: Suitable habitat (moist habitats) is not present on the project site. Species was not observed during 2011 spring survey. Salvadora hexalepis virgultea Coast patch-nosed snake US:- CA: SSC Coastal chaparral, washes, sandy flats, and rocky areas from San Luis Obispo County to northwestern Baja California. Active diumally throughout most of the year Absent: Suitable habitat (washes, sandy flats, and rocky areas) is not present on the project site. Species was not observed during 2011 spring survey. Thamnophis hammondii Two-striped garter snake US:- CA: SSC Highly aquatic. Only in or near permanent sources of water. Streams with rocky beds supporting willows or other riparian vegetation. From Monterey County to northwest Baja California. Diurnal year- round Absent: Suitable habitat (permanent water source) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-18 LSA ASSOCIATES. INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD. CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Thamnophis sirtalis ssp. South coast garter snake US:- CA: SSC Marsh and upland habitats near permanent water with good strips of riparian vegetation in the southem Califomia coastal plain from Ventura County to San Diego County; sea level to 2,800 feet elevation. Absent: Suitable habitat (permanent water source) is not present on the project site. Species was not observed during 2011 spring stirvey. Crotalus ruber Red-diamond rattlesnake US:- CA: SSC Desert scrab, thomscrab, open chaparral and woodland; occasional in grassland and cultivated areas. Prefers rocky areas and dense vegetation. Morongo Valley in San Bemardino and Riverside Counties to the west and south to Baja Califomia. Mid-spring through mid- fall Low: Marginally suitable habitat (coastal sage scrub) is present on the project site. Species was not observed during 2011 spring survey. Botaurus lentiginosus American bittern US:- CA: SA Nests in freshwater and brackish marshes across much of North America; winters south to Central America. Year-round Absent: Suitable nesting habitat (marsh vegetation) is not present on the project site. Very local in San Diego County. Species was not observed during 2011 spring survey. Ixobrychus exilis (nesting) Least bittern US:- CA: SSC Occurs locally in freshwater marshes across much of southern North America and northern South America. Year-round Absent: Suitable nesting habitat (marsh vegetation) is not present on the project site. Species was not observed during 2011 spring survey. Ardea herodias (rookery site) Great blue heron US:- CA: SA Usually nests in trees, but also on large bushes, poles, reed beds, and even on the ground. Frequents a wide range of wetland habitats at other times of year. Widespread in North America; winters to northern South America. Absent: Suitable nesting habitat (wetlands) is not present on the project site. Species was not observed during 2011 spring survey. Ardea alba (rookery site) Great egret US:- CA: SA Occurs in a wide range of wetland habitats in much of the temperate and tropical zones worldwide. Nests primarily in trees. Absent: Suitable nesting habitat (wetlands) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-19 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Egretta thula (rookery site) Snowy egret US:- CA: SA Occurs in a wide range of wetland habitats throughout much of the Americas. Nests primarily in trees. Absent: Suitable nesting habitat (wetlands) is not present on the project site. Species was not observed during 2011 spring survey. Nycticorax nycticorax (rookery site) Black-crowned night- heron US:- CA: SA Occurs in a wide range of wetland habitats in much of the temperate and tropical zones worldwide. Nests primarily in trees, sometimes in urban habitats. Absent: Suitable nesting habitat (wetlands) is not present on the project site. Species was not observed during 2011 spring survey. Plegadis chihi (nesting colony) White-faced ibis US:- CA: SA Freshwater wetlands in temperate and tropical North and South America. Usually nests in emergent vegetation or low trees and shrubs over shallow water. Year-round diurnal activity Absent: Suitable nesting habitat (freshwater marsh) is not present on the project site. Species was not observed during 2011 spring survey. Pandion haliaetus (nesting) Osprey US:- CA: SA Estuaries, rivers, lakes, and marshes in much of the temperate and tropical world. Nests primarily on trees and other structures. Absent: Suitable nesting habitat (estuaries, rivers, lakes, and marshes) is not present on the project site. Species was not observed during 2011 spring survey. Accipiter cooperii (nesting) Cooper's hawk US:- CA: SA Primarily forests and woodlands throughout North America. Nests in trees. Year-round diurnal Absent: Suitable nesting habitat (woodlands) is not present on the project site. Species was not observed during 2011 spring survey. Aquila chrysaetos Golden eagle US:- CA: CFP Generally open country of the Temperate Zone worldwide. Uncommon resident in southwestern California. Year-round diurnal Absent: Suitable nesting habitat (rugged mountainous country) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-20 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Circus cyaneus (nesting) Northern harrier US:- CA: SSC Open coimtry in the Temperate zone worldwide, in this region from salt grass in desert sinks to mountain cienagas. Coastal salt and fresh-water marsh habitats. Nests and forages on ground in shrubby vegetation and grasslands, usually at marsh edge; nest built of a large mound of sticks in wet areas. Year-round Absent: Suitable nesting and foraging habitat (raarsh edges) is not present on the project site. Species was not observed during 2011 spring survey. Elanus leucurus (nesting) White-tailed kite US:- CA: CFP Open country in South America and southem North America. Open grasslands, meadows, or marshes for foraging close to isolated, dense-topped trees for nesting and perching in rolling foothills and valley margins with scattered oaks and river bottomlands or marshes next to deciduous woodland. Year-round Low: Suitable nesting habitat (dense-topped trees) is not present on the project site, but wandering individuals may occasionally visit the site. Species was not observed during 2011 spring survey. Falco columbarius Merlin US:- CA: SA Open country; breeds in the Holarctic Region and winters south to the tropics. Uncommon fall migrant and winter visitor to southwestem Califomia. Fall and winter Low: Foraging birds can occur almost anywhere. Species was not observed during 2011 spring survey. Falco peregrinus anatum American peregrine falcon US:- CA: SE, CFP Widespread, but scarce and local throughout North America. May nest on buildings and bridges in urban areas. Year round Low: Foraging birds may visit occasionally. Species was not observed during 2011 spring survey. Laterallus jamaicensis cotumiculus California black rail US:- CA: ST Requires shallow water in salt marshes, freshwater marshes, wet meadows, or flooded grassy vegetation. Prefers areas of moist soil vegetated by fine-stemmed emergent plants, rushes, grasses, or sedges, with scattered small pools. Known from coastal Califomia, northwestern Baja Califomia, the lower Imperial Valley, and the lower Colorado River Valley of Arizona, Califomia, Baja California, and Sonora. Now extirpated frora virtually all of coastal Southern Califomia. Year-round Absent: Suitable habitat (salt marsh, freshwater marsh, wet meadows, or flooded grassy vegetation) is not present on the project site and the species is believed to be extirpated frora San Diego County. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-21 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Rallus longirostris levipes Light-footed clapper rail US: FE CA: SE Found primarily in coastal salt marshes traversed by tidal sloughs, where cordgrass and pickleweed are the dominant vegetation. Usually requires dense growth of either pickleweed or cordgrass for nesting or escape cover; feeds on mollusks and crastaceans. A few are found in freshwater marshes in coastal southem California. Year-round, vocalizes at night, dawn, and dusk Absent: Suitable habitat (salt marsh and freshwater marsh) is present on the project site. Species was not observed during 2011 spring survey. Charadrius alexandrinus nivosus (nesting; coastal population) Western snowy plover US: FT CA: SSC Sandy coastal beaches, lakes, alkaline playas. Needs sandy, gravelly or friable soils for nesting. Scattered locations along coast from Washington to westem Mexico. Year-round Absent: Suitable nesting habitat (sandy beaches and lake shores) is not present on the project site. Species was not observed during 2011 spring survey. Sternula antillarum browni (nesting colony) California least tern US: FE CA: SE Nests along the coast from San Francisco Bay south to western Mexico. Colonial breeder on bare or sparsely vegetated, flat substrates: sand beaches, alkali flats, land fills, or paved areas. April-October Absent: Suitable nesting habitat (sandy beaches and alkali flats) is not present on the project site. Species was not observed during 2011 spring survey. Athene cunicularia (burrow sites) Burrowing owl US: BCC CA: SSC Open, dry annual or perennial grasslands, deserts, and scrublands characterized by low-growing vegetation throughout much of North and South America. Subterranean nester, dependent upon burrowing mammals, most notably, the California ground squirrel {Spermophilus beecheyi). Low: Marginally suitable habitat (grasslands [non- native grassland], disturbed areas, and coastal sage scrub) is present on the project site, but very few burrows present, none of which were suitable for burrowing owl. Species was not observed during the 2011 spring survey. Calypte costae Costa's hummingbird US:- CA: SA (nesting) Primarily deserts, arid brushy foothills, and chaparral in the southwestern United States and northwestem Mexico. Spring and summer Low: Suitable nesting habitat (desert, arid brushy foothills, and chaparral) is not present on the project site. Species was not observed during 2011 spring 3/5/2012 (P:\HCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-22 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability survey, but may forage in the project area. Picoides nuttallii Nuttall's woodpecker US:- CA: SA (nesting) Oak, pine-oak, and riparian woodland in Califomia and northwestem Baja California. Year-round Absent: Suitable nesting habitat (oak, pine-oak, and riparian woodland) is not present on the project site. Species was not observed during 2011 spring survey. Empidonax traillii extimus (nesting) Southwestern willow flycatcher US: FE CA: SE Rare and local breeder in extensive riparian areas of dense willows or (rarely) tamarisk, usually with standing water, in the southwestem U.S. and (formerly?) northwestem Mexico. Winters in Central and South America. May- September Absent: Suitable nesting habitat (riparian areas and standing water) is not present on the project site. Species was not observed during 2011 spring survey. Lanius ludovicianus Loggerhead shrike US:- CA: SSC (nesting) Open country in much of North America, but declining in many areas, including southwestem Califomia. Year-round Low: Marginally suitable nesting habitat (shrabs) is present on the project site. Species was not observed during 2011 spring survey. Vireo bellii pusillus (nesting) Least Bell's vireo US: FE CA: SE Primarily riparian forests and willow thickets. The most critical structural component of least BeU's vireo habitat in California is a dense shrub layer 2 to 10 feet aboveground. Nests from central Califomia to northem Baja California Sur. Winters primarily in Baja Califomia Sur. April- September Absent: Suitable nesting habitat (riparian forests and willow thickets with a dense shrab layer) is not present on the project site. Species was not observed during 2011 spring survey. Eremophila alpestris actia California horned lark US:- CA: SA Open grasslands and fields, agricultural areas frora northem coastal California to northwestern Baja Califomia. Year-round Moderate: Suitable foraging habitat (grassland [non- native grassland] and disturbed areas) is present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-23 LSA ASSOCIATES. INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Baeolophus inornatus Oak titmouse US:- CA: SA (nesting) Primarily oak woodland from southern Oregon to southem Baja Califomia Sur. Year-round Absent: Suitable nesting habitat (oak woodland) is not present on the project site. Species was not observed during 2011 spring survey. Campylorhynchus brunneicapillus sandiegensis San Diego cactus wren US:- CA: SSC Cactus-dominated coastal sage scrub from southern Orange County to extreme northwestern Baja Califomia. Requires tall, dense stands of Opuntia or Cylindropuntia cacti for nesting and roosting. Year-round Absent: Suitable habitat (cactus) is not present on the project site. Species was not observed during 2011 spring survey. Cistothorus palustris clarkae Clark's marsh wren US:- CA: SSC Local resident in freshwater marshes on the coastal slope from Los Angeles County to northwestem Baja Califomia. Year-round Absent: Suitable nesting habitat (freshwater marsh) is not present on the project site. Species was not observed during 2011 spring survey. Polioptila californica californica Coastal California gnatcatcher US: FT CA: SSC Inhabits coastal sage scrub in low- lying foothills and valleys in cismontane southwestern Califomia and northwestem Baja California. Year-round Low: Marginally suitable habitat (coastal sage scrub) is present on the project site. Species was not observed during 2011 spring survey. Dendroica petechia brewsteri (nesting) Yellow warbler US:- CA: SSC Riparian woodland while nesting in the westem U.S. and northwestern Baja Califomia; more widespread in brushy areas and woodlands during migration, and in winter, when occurring from western Mexico to northern South America. Migrants are widespread and common. Spring and summer Absent: Suitable nesting habitat (riparian woodland) is not present on the project site. Species was not observed during 2011 spring survey. Icteria virens (nesting) Yellow-breasted chat US:- CA: SSC Riparian thickets of willow, brushy tangles near watercourses. Nests in riparian woodland throughout much of westem North America. Winters in Central America. Summer in California Absent: Suitable nesting habitat (riparian woodland) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-24 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Aimophila ruficeps canescens Southern California rufous-crowned sparrow US:- CA: SA Steep, rocky coastal sage scrub and open chaparral habitats, particularly scrabby areas mixed with grasslands. From Santa Barbara County to northwestem Baja Califomia. Year-round, diumal activity Low: Marginally suitable habitat (coastal sage scmb) is present on the project site. Species was not observed during 2011 spring survey. Chondestes grammacus Lark sparrow US:- CA: SA (nesting) Open situations with scattered bushes or trees. Breeds throughout much of westem North America and winters from the southem United States to southern Mexico. Year-round, diurnal Moderate: Potentially suitable habitat (non-native grassland and disturbed areas) is present on the project site. Species was not observed during 2011 spring survey. Amphispiza belli belli Bell's sage sparrow US:- CA: SA Occupies chaparral and coastal sage scrub from west central Califomia to northwestem Baja Califomia. Nests in chaparral dominated by fairly dense stands of chamise. Found in coastal sage scrub in south of range. Year-round, diurnal activity Low: Marginally suitable habitat (coastal sage scrub) is present on the project site. Species was not observed during 2011 spring survey. Passerculus sandwichensis beldingi Belding's Savannah sparrow US:- CA: SE Inhabits coastal salt marshes, from Santa Barbara south through northwestem Baja Califomia. Nests in Salicornia on and about margins of tidal flats. Year-round, diumal Absent: Suitable habitat (coastal salt marsh) is not present on the project site. Species was not observed during 2011 spring survey. Agelaius tricolor Tricolored blackbird US:- CA: SSC (nesting colony) Open country in westem Oregon, California, and northwestem Baja Califomia. Nests primarily in freshwater marshes. Year-round, diumal Absent: Suitable nesting habitat (marsh vegetation) is not present on the project site. Species was not observed during 2011 spring survey. Xanthocephalus xanthocephalus Yellow-headed blackbird US:- CA: SSC (nesting) Nests in freshwater marshes in central-western North America and disperses to open cultivated land and marshes as far as southem Mexico. Year-round, diumal Absent: Suitable nesting habitat (freshwater marsh) is not present on the project site, and the species is rare and local in San Diego County. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) B-25 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability | Carduelis lawrencei Lawrence's goldfinch US:- CA: SA (nesting) Oak woodland, chaparral, riparian woodland and other habitats in arid regions, but usually near water; from northern Califomia to northem Baja Califomia, but periodically wandering throughout much of western North America. Year-round, diumal Absent: Suitable habitat (oak woodland, chaparral, riparian woodland) is not present on the project site. Species was not observed during 2011 spring survey. Mammals Choeronycteris mexicana Mexican long-tongued bat US:- CA: SSC Uses a \uiicl> of habitats from the southwestem United States throi^h Central America. In California, this species has been observed in San Diego County, likely as a seasonal migrant. Feeds on nectar and pollen of night-blooming succulents; may visit huramingbird feeders. Roosts in caves, mines, and occasionally buildings. Year-round Absent: Suitable roosting habitat (cliffs) is not present on the project site. Species was not observed during 2011 spring survey. Antrozous pallidus Pallid bat US:- CA: SSC Day roosts in caves, crevices, rocky outcrops, tree hollows or crevices, mines and occasionally buildings, culverts, and bridges. Night roosts may be more open sites, such as porches and open buildings. Grasslands, shrublands, woodlands, and forest in western North America. Year-round; noctumal Absent: Suitable habitat (rocky outcrops, woodlands and occasionally buildings) is not present on the project site. Species was not observed during 2011 spring survey. Corynorhinus townsendii Townsend's big-eared bat US:- CA: SSC Ranges from southwestem Canada through the westem United States to southem Mexico. Requires caves, mines, tunnels, buildings or other similar structures for roosting. Occasionally roosts in hollow spaces of bridges or buildings. Will occasionally roost in hollow trees. Highly sensitive to disturbance. Primarily the warmer months Absent: Suitable habitat (caves, mines, tunnels, buildings, or similar stmctures) is not present on the project site. Species was not observed during 2011 spring survey. Lasionycteris noctivagans Silver-haired bat US:- CA: SA Primarily associated with north temperate zone conifer and mixed conifer/hardwood forests across southem Canada and most of the United States. May be found in winter and during seasonal migration in lower, xeric habitats. Roosts mainly in hollows or crevices of trees, but may also roost in rock crevices, mines, or caves. May forage considerable distance from roosting area. Primarily the winter months Absent: Suitable roosting and foraging habitat (conifer and mixed conifer/hardwood forests) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (PiVHCRl 103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-26 LSA ASSOCIATES. INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Lasiurus blossevillii Western red bat US:- CA: SSC Ranges from southwestern Canada through the westem United States and Middle America to South America. Forages over a wide range of habitats, but often associated with intact riparian habitat, and particularly with willows, cottonwoods, and sycamores. Typically solitary, roosting in the foliage of trees or shrabs. Day roosts are coraraonly in edge habitats adjacent to streams or open fields, in orchards, and sometimes in urban areas. Primarily the warmer months Absent: Suitable habitat (riparian habitat and trees) is not present on the project site. Species was not observed during 2011 spring survey. Lasiurus cinereus Hoary bat US:- CA: SA Widespread in North America (and Hawaii). Forages over a wide range of habitats, but prefers open habitats with access to water and trees for roosting. Typically solitary, roosting in the foliage of shrubs or coniferous and deciduous trees. Roosts are usually near the edge of a clearing. Primarily the warmer months; leaves colder areas during winter Absent: Suitable habitat (trees and water) is not present on the project site. Species was not observed during 2011 spring survey. Lasiurus xanthinus Western yellow bat US:- CA: SSC Varied habitats frora the southwestern United States to southem Mexico; often associated with palras and desert riparian habitats. In southem Califomia occurs in palm oases and in residential areas with untrimmed palm trees. Roosts primarily in trees, especially the dead fronds of palm trees, though they have also been documented to roost under the leaves of deciduous trees such as cottonwoods. Year-round; noctumal Absent: Suitable roosting and foraging habitat (riparian areas and palm trees) is not present on the project site. Species was not observed during 2011 spring survey. Myotis ciliolabrum Western small-footed myotis US:- CA: SA Found across much of North America, primarily in relatively arid wooded and brushy uplands near water. Individuals are known to roost singly or in small groups in cliff and rock crevices, buildings, concrete overpasses, caves, and mines. Primarily the warmer months Absent: Suitable habitat (arid wooded and brushy uplands near water) is not present on the project site. Species was not observed during 2011 spring survey. Myotis evotis Long-eared myotis US:- CA: SA Found throughout much of North America, in semiarid shrablands, chaparral, and agricultural areas, but is usually associated with coniferous forests. Roosts under exfoliating tree bark and in hollow trees, caves, mines, and crevices in Primarily the warmer months Absent: Suitable habitat (semiarid shrublands, chaparral, agricultural areas, and coniferous forests) is not 3/5/2012 (PiVHCRl 103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-27 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability cliffs/rocks. Sometimes roosts in buildings and bridges. present on the project site. Species was not observed during 2011 spring survey. Myotis thysanodes Fringed myotis US:- CA: SA Range is patchy in westem North America from sea level to 9,350 feet; most common at middle elevations. Appears to be most comraon in drier woodlands but is found in a wide variety of habitats including desert scrub, mesic coniferous forest, grassland, and sage-grass steppe. Roosts priraarily in large trees and snags, as well as in caves and mines. Also roosts in buildings, rock crevices, cliff faces, and bridges. Primarily the warmer months Absent: Suitable habitat (woodlands and desert scrub) is not present on the project site and most commonly found at higher elevation than that of project site. Species was not observed during 2011 spring survey. Myotis volans Long-legged myotis US:- CA: SA Widespread in westem North America, primarily in coniferous forests, but also occurs seasonally in riparian and desert habitats. Utilizes abandoned buildings, cracks in the ground, cliff crevices, exfoliating tree bark, and hollows within snags as summer day roosts; caves and mine tunnels are used as hibernacula. Commonly forages in and around the forest canopy. Primarily the warmer months Absent: Suitable habitat (coniferous forests, riparian habitat, and desert) is not present on the project site. Species was not observed during 2011 spring survey. Myotis yumanensis Yuma myotis US:- CA: SA Optimal habitats are open forests and woodlands with sources of water over which to feed. Common and widespread in California. Uncommon in the Mojave and Colorado Desert regions, except for mountains. Ranging generally from sea level to 8,000 feet. Roosts in buildings, mines, caves or crevices; occasionally in swallow nests and under bridges. Primarily the warmer months Absent: Suitable habitat (woodlands and water) is not present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:\HCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-28 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Eumops perotis californicus Western mastiff bat US:- CA: SSC Occurs in many open, semi-arid to arid habitats, including conifer and deciduous woodlands, coastal scrab, grasslands, chaparral, etc.; roosts in crevices in vertical cliff faces, high buildings, and tunnels; and travels widely when foraging. Ranged historically throughout much of the southwestem United States and northwestem Mexico. In California, most records are from rocky areas at low elevations where roosting occurs primarily in crevices. Primarily the warmer months Low: Suitable roosting habitat (vertical cliff faces, high buildings) is not present on the project site; however, marginally suitable foraging habitat (coastal sage scrab) is present. Species was not observed during 2011 spring survey. Nyctinomops femorosaccus Pocketed free-tailed bat US:- CA: SSC Varied habitats, but usually associated with high cliffs or rocky areas. Spotty distribution, ranging from southem Califomia and southwestem Arizona through central Mexico. Roosts primarily in cliffs/rock crevices; may use buildings for roosting. Rarely roosts in bridges. Primarily the warmer months Low: Although roosting is unlikely, foraging habitat is present and this species is known to forage far from roost sites. Species was not observed during 2011 spring survey. Nyctinomops macrotis Big free-tailed bat US:- CA: SSC Mainly inhabits ragged, rocky habitats in arid southwestern North America. Feeds principally on large moths. Roosts primarily in cliffs/rock crevices, and rarely in buildings, caves, and tree cavities. Not known to use bridges for roosting. Primarily the warmer months Low: Although roosting is unlikely, foraging habitat is present and this species is known to forage far from roost sites. Species was not observed during 2011 spring survey. Lepus californicus bennettii San Diego black-tailed jackrabbit US:- CA: SSC Open country of coastal southern Califomia and northwestem Baja California, but extirpated from many areas. Year-round, diumal and crepuscular activify Low: Marginally suitable habitat (coastal sage scmb) is present on the project site. Species was not observed during 2011 spring survey. Chaetodipus californicus femoralis Dulzura pocket mouse US:- CA: SSC Found in a variety of habitats including coastal sage scrub, chaparral, and grassland in northern Baja Califomia, San Diego and extreme southwestern Riverside Counties. Limit of range to northwest (at interface with Cc. dispar) unclear. Year-round; noctumal Moderate: Suitable habitat (coastal sage scrub) is present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-29 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Chaetodipus fallax fallax Northwestern San Diego pocket mouse US:- CA: SSC Found in sandy herbaceous areas, usually associated with rocks or coarse gravel in coastal scrab, chaparral, grasslands, and sagebrush, from Los Angeles County through southwestem San Bemardino, westem Riverside, and San Diego Counties to northem Baja Califomia. Year-round; noctumal Absent: Suitable habitat (sandy areas, rocks or coarse gravel) is not present on the project site. Species was not observed during 2011 spring survey. Dipodomys stephensi Stephens' kangaroo rat US:FE CA: ST Found in plant communities transitional between grassland and coastal sage scrab, with perennial vegetation cover of less than 50%. Most coraraonly associated with Artemesia tridentata, Eriogonum fasciculatum, and Erodium. Requires well-drained soils with compaction characteristics suitable for burrow construction. Not found in soils that are highly rocky, less than 20 inches deep, or heavily alkaline or clay, or in areas exceeding 25% slope. Occurs only in westem Riverside County, northem San Diego County, and extreme southern San Bemardino County, below 3,000 feet elevation. Year-round; nocturnal Absent: Not found in heavily clay or alkaline soils such as those present on the project site. Species was not observed during 2011 spring survey. Perognathus longimembris pacificus Pacific pocket mouse US: FE CA: SSC Historically occupied open habitats on sandy soils along the coast from Los Angeles to the Mexican border. Now known from only four sites in Orange and San Diego Counties. April- September; noctumal Absent: Only four known populations, the nearest one is approximately 7 miles frora the project site. Species was not observed during 2011 spring survey. Neotoma lepida intermedia San Diego desert woodrat US:- CA: SSC Frequents poorly vegetated arid lands and is often associated with cactus patches. Occurs along the Pacific slope from San Luis Obispo County to northwest Baja Califomia. Year-round, mainly nocturnal, occasionally crepuscular and diurnal Low: Marginally suitable habitat (coastal sage scrab) is present on the project site. Species was not observed during 2011 spring survey. 3/5/2012 (P;VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) B-30 LSA ASSOCIATES. INC, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITV OF CARLSBAD, CALIFORNIA Special Interest Species Summary Table for Potential Occurrence Species Status Habitat and Distribution Activity Period Occurrence Probability Taxidea taxus American badger US:- CA: SSC Primary habitat requirements seem to be sufficient food and friable soils in relatively open uncultivated ground in grasslands, woodlands, and desert. Widely distributed in North America. Year-round Absent: Suitable habitat (friable soils) is not present on the project site. Species or suitable burrows were not observed during 2011 spring survey. Bassariscus astutus Ringtail US:- CA: CFP Woody and rocky areas of the southwestern United States and most of Mexico. Year-round Absent: Suitable habitat (woody and rocky areas) is not present on the project site. Species was not observed during 2011 spring survey. LEGEND US: Federal Classifications FE Taxa listed as Endangered. FT Taxa listed as Threatened. FC Candidate for listing as Threatened or Endangered. BCC Bird of Conservation Concem CA: State Classifications SE Taxa State-listed as Endangered. ST Taxa State-listed as Threatened. SSC California Species of Special Concem. Refers to animals with vulnerable or seriously declining populations. CFP Califomia Fully Protected. Refers to animals protected from take under Fish and Game Code Sections 3511, 4700, 5050, and 5515. SA Special Animal. Refers to any other animal monitored by the Natural Diversity Data Base, regardless of its legal or protection status. SP Special Plant. Refers to any other plant monitored by the Natural Diversity Data Base, regardless of its legal or protection status. IB Califomia Rare Plant Rank IB: Rare, threatened, or endangered in Califomia and elsewhere. 2 Califomia Rare Plant Rank 2: Rare, threatened, or endangered in California, but more common elsewhere. 3 Califomia Rare Plant Rank 3: A review list of plants about which more information is needed. 4 Califomia Rare Plant Rank 4: A watch list of plants of limited distribution. Califomia Rare Plant Ranks are assigned by a committee of government agency and non-governmental botanical experts and are not official State designations of rarity status. Occurrence Oefinitions • Absent: Suitable habitats associated with the species are not present within the project site, • Low: Existing populations are not known to occur within 1,6 km (1 0 mile) or in the project site and any potential habitat within the project site is of marginal quality. This category is also assigned to bird species that migrate through the project site alignment, but are not present during nesting or breeding season, • Moderate: The species is not known to occur within 1,6 km (1,0 mile) or in the project site, but suitable habitat areas are present or near the project site. 3/5/2012 (P:\HCRI 103-Vancouver Street Sewer\Bio ResourcesVBiological Resources Report,doc) B-31 LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA APPENDIX C VASCULAR PLANT SPECIES OBSERVED 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA The following vascular plant species were observed in the study area by LSA biologists Jaime Morales and Dan Rosie during the general reconnaissance survey conducted on May 26, 2011. Vascular Plant Species Observed Scientific Name Common Name Anacardiaceae Sumac family Rhus integrifolia Lemonade berry Schinus terebinthifolius (non-native species) Brazilian pepper tree Apiaceae Carrot family Foeniculum vulgare (non-native species) Fennel Asteraceae Sunflower family Artemisia californica Califomia sagebrush Baccharis pilularis Coyote brush Carduus pycnocephalus (non-native species) Italian Thistle Centaurea melitensis (non-native species) Tocalote Conyza canadensis Canadian horseweed Deinandra fasciculata Fascicled tarweed Encelia californica Califomia encelia Hedypnois cretica (non-native species) Crete weed Isocoma menziesii Goldenbush Lactuca serriola (non-native species) Prickly lettuce Pieris echioides (non-native species) Bristly ox-tongue Pseudognaphalium biolettii Two-color rabbit-tobacco Pseudognaphalium califomicum California rabbit-tobacco Sonchus asper (non-native species) Prickly sow thistle Sonchus oleraceus (non-native species) Common sow thistle Brassicaceae Mustard family Brassica nigra (non-native species) Black mustard Chenopodiaceae Saltbush family Chenopodium murale (non-native species) Nettleleaf goosefoot Euphorbiaceae Spurge family Chamaesyce maculata (non-native species) Spotted spurge Fabaceae Pea family Lotus scoparius Deerweed Fagaceae Beech family Quercus agrifoiia Coast live oak Lamiaceae Mint family Salvia mellifera Black sage Myoporaceae Myoporum family Myoporum laetum (non-native species) Myoporum 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) C-l LSA ASSOCIATES, INC. FEBRUARV 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROIECT CITY OF CARLSBAD, CALIFORNIA Vascular Plant Species Observed Scientific Name Common Name { Myrtaceae Myrtle family | Eucalyptus sp. (non-native species) Eucalyptus | Papaveraceae Poppy family Eschscholzia californica California poppy Plumbaginaceae Leadwort family Limonium sp. (non-native species) Sea lavender (non-native) Polygonaceae Buckwheat family Rumex crispus (non-native species) Curly dock Primulaceace Primrose family Anagallis arvensis (non-native species) Scarlet pimpemel Rosaceae Rose family Heteromeles arbutifolia Toyon Solanaceae Nightshade family Nicotiana glauca (non-native species) Tree tobacco Verbenaceae Vervain family Verbena lasiostachys Westem verbena Poaceae Grass family Avena fatua (non-native species) Wild oat Bromus diandrus (non-native species) Ripgut brome Bromus hordeaceus (non-native species) Soft chess Bromus madritensis ssp. rubens (non-native species) Red brome Cortaderia selloana (non-native species) Pampas grass Hordeum murinum (non-native species) Foxtail barley Lolium multiflorum (non-native species) Italian ryegrass Nassella pulchra Purple needlegrass Polypogon monspeUensis (non-native species) Rabbitfoot grass Vulpia myuros (non-native species) Rat-tail fescue Taxonomy and scientific nomenclature conform to Hickman (1993) although Abrams (1923, 1944, 1951) and Abrams and Ferris (I960) identified in Roberts (1998), Common names for each taxa generally conform to Roberts (1998), are used, particularly when species specific common names are not 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) C-2 LSA ASSOCIATES, FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA APPENDIX E,^ VASCULAR PLANT SPECIES OBSERVED 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report doc) LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA The following vascular plant species were observed in the study area by LSA biologists Jaime Morales and Dan Rosie during the general reconnaissance survey conducted on May 26, 2011. Vascular Plant Species Observed Scientific Name Common Name Anacardiaceae Sumac family Rhus integrifolia Lemonade berry Schinus terebinthifolius (non-native species) Brazilian pepper tree Apiaceae Carrot family Foeniculum vulgare (non-native species) Fennel Asteraceae Sunflower family Artemisia californica Califomia sagebrush Baccharis pilularis Coyote brush Carduus pycnocephalus (non-native species) Italian Thistle Centaurea melitensis (non-native species) Tocalote Conyza canadensis Canadian horseweed Deinandra fasciculata Fascicled tarweed Encelia californica Califomia encelia Hedypnois cretica (non-native species) Crete weed Isocoma menziesii Goldenbush Lactuca serriola (non-native species) Prickly lettuce Pieris echioides (non-native species) Bristly ox-tongue Pseudognaphalium biolettii Two-color rabbit-tobacco Pseudognaphalium caUfornicum California rabbit-tobacco Sonchus asper (non-native species) Prickly sow thistle Sonchus oleraceus (non-native species) Common sow thistle Brassicaceae Mustard family Brassica nigra (non-native species) Black mustard Chenopodiaceae Saltbush family Chenopodium murale (non-native species) Nettleleaf goosefoot Euphorbiaceae Spurge family Chamaesyce maculata (non-native species) Spotted spurge Fabaceae Pea family Lotus scoparius Deerweed Fagaceae Beech family Quercus agrifoiia Coast live oak Lamiaceae Mint family Salvia mellifera Black sage Myoporaceae Myoporum family Myoporum laetum (non-native species) Myoporum 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report,doc) C-l LSA ASSOCIATES. INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITV OF CARLSBAD. CALIFORNIA Vascular Plant Species Observed Scientific Name Common Name Myrtaceae Myrtle family Eucalyptus sp. (non-native species) Eucalyptus Papaveraceae Poppy family Eschscholzia californica Califomia poppy Plumbaginaceae Leadwort family Limonium sp. (non-native species) Sea lavender (non-native) Polygonaceae Buckwheat family Rumex crispus (non-native species) Curly dock Primulaceace Primrose family Anagallis arvensis (non-native species) Scarlet pimpemel Rosaceae Rose family Heteromeles arbutifolia Toyon Solanaceae Nightshade family Nicotiana glauca (non-native species) Tree tobacco Verbenaceae Vervain family Verbena lasiostachys Westem verbena Poaceae Grass family Avena fatua (non-native species) Wild oat Bromus diandrus (non-native species) Ripgut brome Bromus hordeaceus (non-native species) Soft chess Bromus madritensis ssp. rubens (non-native species) Red brome Cortaderia selloana (non-native species) Pampas grass Hordeum murinum (non-native species) Foxtail barley Lolium multiflorum (non-native species) Italian ryegrass Nassella pulchra Purple needlegrass Polypogon monspeUensis (non-native species) Rabbitfoot grass Vulpia myuros (non-native species) Rat-tail fescue Taxonomy and scientific nomenclature conform to Hickman (1993), although Abrams (1923, 1944, 1951) and Abrams and Ferris (I960) identified in Roberts (1998), Common names for each taxa generally conform to Roberts (1998), are used, particularly when species specific common names are not 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) C-2 LSA ASSOCIATES, INC, BIOLOGICAL RESOURCES REPORT FEBRUARY 20J2 VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA APPENDIX 3^ WILDLIFE SPECIES OBSERVED 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) LSA ASSOCIATES, INC. FEBRUARY 2012 BIOLOGICAL RESOURCES REPORT VANCOUVER STREET SEWER EXTENSION PROJECT CITY OF CARLSBAD, CALIFORNIA This is a list of the conspicuous aerial insects, bony fishes, amphibians, reptiles, birds, and mammals noted in the study area by LSA biologists Jaime Morales and Dan Rosie during the general reconnaissance survey conducted on May 26, 2011. Presence may be noted if a species is seen or heard, or identified by the presence of tracks, scat, or other signs. Wildlife Species Observed Scientific Name Common Name AVES BIRDS Accipitridae Kites, Hawks, and Eagles Buteo jamaicensis Red-tailed hawk Trochilidae Hummingbirds Calypte anna Anna's hummingbird Tyrannidae Tyrant Flycatchers Sayornis nigricans Black phoebe Corvidae Crows and Ravens Corvus brachyrhynchos American crow Troglodytidae Wrens Thryomanes bewickii Bewick's wren Mimidae Mockingbirds and Thrashers Mimus polyglottos Northem mockingbird Emberizidae Emberizines Pipilo crissalis Califomia towhee Fringillidae Finches Carpodacus mexicanus House finch MAMMALIA MAMMALS Leporidae Rabbits and Hares Sylvilagus audubonii Desert cottontail Sciuridae Squirrels Spermophilus beecheyi California ground squirrel Taxonomy and nomenclature are based on the following. Birds: American Ornithologists' Union (1998, The A,0,U, Checklist of North American Birds, seventh edition, American Ornithologists' Union, Washington DC; and 2000,2002,2003, and 2004 supplements,). Mammals: Grenfell, W,E,, Parisi, M D, and McGriff, D, (2003, Complete list of amphibians, reptiles, birds, and mammals in California, Califomia Department of Fish and Game. http://www.dfg.ca.gov/whdab/pdfs/species_list,pdf). 3/5/2012 (P:VHCR1103-Vancouver Street SewerVBio ResourcesVBiological Resources Report.doc) D-1