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HomeMy WebLinkAbout3338; Agua Hedionda & Calavera Creek Dredging; Robertson Ranch East Village; 2006-05-02ROBERTSON RANCH EAST VILLAGE OPEN SPACE LAND MANAGEMENT PLAN Prepared fm CALAVERA HILLS II, LLC P.O. Box 85104 San Diego, CA 92188-5104 Prepared by: PLANNING sm 1530 Faraday Ave. Suite 100 CarIskd, CA 92008 May 2,2006 ROBERTSON RANCH EAST WGE OPEN SPACE LAND ILIANAGEMENT PLAN ROBERTSON RANCH EAST VILLAGE OPEN SPACE LAND MANAGEMENT flAPl TABLE OF CONTENTS INTRODUCTION ....................................................... 1 ...................................................... . A Ba-md 1 .......................................................... B . Purpose 2 . C Implementation of the HMP ........................................ 3 SITE CHARACTERISTICS ................................................ A . Physical Characteristics ............................................ B . Biological Charackrkdis ........................................... .................................... 1 . MgNativeHa bitats . ....................................... 2 Habitat Revegetation ................................. 3 . OtherAreastobeManaged 4 . Nm-menentm .................................... 5 . Total Robertwn Ranch Open Space Breakdown Referam ....... ............................................... C EndangeFedS pedes ............................................. D . mtstotheHabitat OWPlERSHIPnEGAL REQUIREMENTS ................................... 12 A . Ownership and Management ....................................... 12 B . Permit and Legal Requirements ..................................... 12 .................. MANAGEMENT GOALS. OBJECTIVES AND SCHEDULE 13 . A Preservation of Natural Cmununities ................................ 13 B . vv es ........................................................ 13 C . Site Visit Management Schedule .................................... 14 BIOLOGICAL MONITORING ........................................... 16 A . Biological hventory d Monitoring ................................. 46 1 . General Avian Survey ...................................... 16 . 2 Pit-faUTrapping ........................................... 17 3 . Smitive Plant Species ...................................... 17 4 . Vegetation Sampling ....................................... I8 East Whge . Open Spwae Lmrd manapmnf fin w 2. 2m ROBERTSON RANCH EAST WGE OPEN SPACE LAND WAGEMENT PLAN Vi . MAINTENANCE AcXlWll% ........................................... ................................................ A . Dkturm Patrol .................................................... B . Trash Removal .............................................. C . Community Outreach D . Photograph Dmentation ........................................ ..................................................... E . -t F . Invasive Ptsts/Exotic Plant S@es Control ........................... ................................................. G . FireMrmagement H . Trash Removal and Vm Control .............................. ................................................... I . Erosion Control ............................................................. VI . PZTBLIC USE .......................................... A . Asmiation Responsl'bilty ................................................. B . Trails and Fencing I . Public Trails ............................................... 2 . Fencing .................................................. 3 . SDC;&E Trails ............................................. ........................................... WL REPORTING REQUIREMENTS ............................ A . Management Reports and Annual Reports B . Budgets .......................................................... East ViQe Open Spcehd managemf Phn * 2,2Oo6 ROBERTSON RANCH EAST VlLLAGE OPEN SPACE LAND MANAGEMENT PLAN - - ROBERTSON RANCH EAST VILLAGE OPEN SPACE LAND MANAGEMENT PLAN INTRODUCTION The Robertson Ranch Master Plan area is approximately 398 acres of planned development located within the north-central area of the city of CarIsbad (Figure 1). Through the CEQA review for the Robertson Ranch Master Plan project, the project was determined to result in siguhcant impacts to sensitive upland bioiogtcal resources. As mitigation for these impacts, the two Robertson Ranch landowners are obligated to set aside for permanent conservation si@cant amounts of open space, including large tracts of native and restored Diegan coastal sage scrub ("DCSS') hbitat. This halntat conservation and revegetation provides for a habitat corridor running diagonally through the Robertson Ranch site from north-east to southwest, but also meanders throughout the hiltsides of the property. The Robertson hch is owned by two separate entities, as follows: East Village - Calavera Hills 11, LLC West Village - Robertson Family Trust This en Land Management Plan ("Plan") constitutes the land management plan for the open spaces of the East Village only. The East Village open spaces subject to this Plan are identified as the East Village Habitat Conservation Area ("EVHCA) (Figure 2). This is the area affected by the requirements of this Plan. This Plan is intended to provide guidance to the open space manager, to ensure the perpetual consenration and maximization of the biological resource values of the EVHCA. The EVHCA is being premed in accordance with the requhm& of the City of Carlsbad Habitat Management Plan rHMP"), in comenm with the City of Carlsbad, the U.S. Fish and Wildlife Wee ("USFWS') and the California Department of Fish and East Viilnge 1 Op Space hd Mmagewlt Plm lMay 1,2m ROBERTSON RANCH EAST VILLAGE OPEN SPACE LAND MANAGEMENT PLAN Game (TDFG'3. 'Zhe primary goal of this habitat co~~~~tion is to protect the habitat of the fdmlly listed rxlastal Glifomh gnatcatcher, as well as uther listed spedes and dtive pht and wildlife species that are covered under the Multiple Habitat Conservation Plan C'MHCF). A total of two (2) gnatcatchers have been observed to occupy the East ViUage preserve area in the survey (2002) by Merkel Br Assodates used todebmimthep~rve~as. ToconhmtlPepresencedcoastal~mia gnatca&er, a presencelabsene survey shall LW undertaken by long-term managematt entity within 60 days of offidally accepting the pr-. The subject EVHCA constitutes the impkmmkation of the habitat comervation product contemplated in the phnning standards for the Robertson Ranch property idded in the adopted HMP. As su& in -dance with this W, the developer is requrred to identify and endow a public or private natural land management entity to manage this amserved am in perpetuity. Idenhfyhg the critical protEsses and elements that need protection, and then plamring, budgeting and fun* for su- these processes and elements in perpetuity is the em of long-term land protectim This Plan provides a blueprint for amsefyalion management of the EVWCA site. 'IPle purpose of this Plan is ta establish parameters for the long-term management and protection of the biological resources of the WCA. This Plan indudes a component for managing and monitoring riparian systems in the Robertsm Ran& pme and covered qeck assmiatd with these areas. The Plan also includes areas which presently contain high-value DCIS resou-, areas which will be restored horn agdcultural lands to DCSS habitat over an approximate 5year perid, and areas which will undergo re-introduction of native hy- which are expd to re-vegetate naturally over a longer period of time. The intmt is to assure that, through proper management, mahkmme and moniturins the overall biologid vaIues will be pro- from disturbance. Thruugh implmnentation of this Plan, it is antiapated &it the open space area; (a) will persist and increase m value as viable California gnakatdrer nesting habitat, (b) will became biolo~ly integrated into the overall open space network of the City of Carlsbad, (c) will remain consistent with the requirements of the HMP, Id) will provide a wild& movement corridor for HMP covered species, coyotes, and mesopredabrs, and (e) will provide livein habitat for HMP mvered spedes with the ptential to ocaw on-site. This dmummt provides a management program to ensure an ecologdly sudaimble mmmvation area, ccarserving both the diversity and functicm of the -tern through pmservation of and adaptive management of the wgetation communitk This plan will outline the resources and clwracteristia of the EVHCA, and provide a brief overview of gmeral kneb of conservation biology for natural areas management as it applies to this area. East Villw 2 Open Spaoe Lad Mmapmmt PInn ROBERTSON RANCH EAST VILLAGE OPEN SPACE LAND MANAGEMENT PLAN Imvlementatim of the HMP This Plan is dstent with the California Natural Communities Conservation Ikming ("NCCF') Act and with th City of Carlsbad's Habitat Management Plan ("-7 and the North County Multiple Habitat Conservation Program ("MHCF'). It is apected that future development activity within San Diego County will necessitate the mitigation of impads to endangered and sensitive species and biologically htive habitats through the pmwvation of on-site lands which possess comparable habitat vdues. The biologd vatues on-site, along with the property's proximity to adjacent large areas of natural habitat and surrounding pm, and its amwctivity to the pmtwkd open space lands cxlcupied by Iisted and dtive spies, Ied to its conservaticm. All manapent and monitoring activities outlined in this plan will remain mns~t with all MHCP and I-IMPS standards and poLcies in the future. The EVI-3C.A constitutes the eastern portion of Linkage Area B between Core 83 and Core #4 of the Carlsbad W. As such, it is intended that this upr~ space program is to be maintained as a functimal biological linkage between preserve lands around Lake Calavera, Calavera Hills ad preserved lands to the wt, and the Robertson Ran& West Village habitat corridor and Agua Hedionda Lagoon wetlands open sv to the west. The EVHCA is located within M Fadities Management Zone 14, the southern portion of which encompasses Robertson Ranch It is dominated by agridtural fields, with scattered areas of Non-native Gmdands rNNG") and DCS. It is the ht of this East Village Open Space Management Plan to implement the program of habitat bge duough Zone 14 through implementation of the megetation and amsewation program described in this Plan East ViIIage Qpen Spuce Land Mmapmt Plan May 1,2006