Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton

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MCB Camp Pendleton, California California Status The coastal California gnatcatcher is listed as a species of special concern by the CDFG (CDFG 2005). Regional Status The coastal California gnatcatcher is a covered species in the following southern California NCCP documents: • 93-129 (Bear Brand Ranch) Low-Effect HCP. • Antelope Road HCP. • Assessment District 161. • Bellota Landslide Repair and Shorecliffs Mobile Home Park. • Bennett Property, Lamco Housing, Inc. • Cal. Dept. of Corrections Statewide Electrified Fence Project. • Cornerstone Homes, Railroad Canyon/Lake Elsinore Tract 20704. • Coyote Hills East (UnoCal). • Deer Canyon Park Low-Effect HCP. • El Sobrante Landfill. • Evergreen Nursery. • Fieldstone/La Costa & City of Carlsbad. • Granite Homes/Lake Elsinore Tract 20705. • Harley John Reservoir. • Lake Mathews. • MHCP, City of Carlsbad Habitat Management Plan. • MSCP, City of Chula Vista Subarea Plan. • MSCP, City of La Mesa Subarea Plan. • MSCP, City of Poway Subarea Plan. • MSCP, City of San Diego Subarea Plan. • MSCP, County of San Diego Subarea Plan. • Meadowlark Estates, SunCal Company. • Mission View Estates. • Newport Estates. • North Peak Development Project. • Ocean Trails (Palos Verdes Land Holdings Co./Zuckerman Building Co.). • Ocean Trails Amendment and Permit Transfer. • Orange County Central/Coastal NCCP/HCP. • Orange County Southern Subregion NCCP/HCP. • Rancho Bella Vista (Pacific Bay Properties). • SDG&E. • Shell Oil Company/Metropolitan Water District of Southern California. • Temecula Ridge Apartments and Temecula Village Development. • Van Daele. • Western Riverside MSHCP. 3-42 Chapter 3 – Natural Resources
Integrated Natural Resources Management Plan [March 2012 - Update] The coastal California gnatcatcher is also a covered species in the North American Landbird Conservation Plan (Rich et al. 2004), and the Coastal Scrub and Chaparral Bird Conservation Plan (California Partners in Flight [CPIF] 2003). MCBCP Status The Base is in consultation with the USFWS regarding management of Upland habitats and species basewide, including the gnatcatcher and its habitat. Since this species was listed, the Base has instituted measures for avoidance and minimization of impacts to the gnatcatcher and its preferred habitat, especially during its Special Management Season. These programmatic instructions are provided to users and residents of the Base via Camp Pendleton’s Base Order P3500.1M (Range and Training Regulations). Management details, survey information, etc., for the coastal California gnatcatcher are located in Appendix F, Section F.8. DISTRIBUTION Global The coastal California gnatcatcher is restricted to coastal southern California and northwestern Baja California, Mexico, from Los Angeles County (formerly Ventura and San Bernardino Counties) south to El Rosario, Mexico (~30 o north latitude) (USFWS 1993a). The coastal California gnatcatcher is a non-migratory bird. Gnatcatchers are typically found in stands of CSS that have moderate shrub canopy cover (40-80 percent). The relative density of CSS cover influences gnatcatcher territory sizes, with territory sizes increasing as shrub cover decreases, likely due to limited resource availability. Regional In San Diego County, the core population areas capable of supporting 30 or more pairs of coastal California gnatcatcher include Camp Pendleton/Fallbrook, Oceanside, north Carlsbad, southeast Carlsbad, southwest San Marcos, Rainbow/Pala, Olivenhain/Lake Hodges/San Pasqual, Poway, upper San Diego River/El Capitan Reservoir, Mission Trails Regional Park/Miramar, Lakeside/Dehesa, Sweetwater River/Reservoir, Jamal Mountains Otay Lakes/Mesa, west Otay Mountain, and Tijuana River mouth (Unitt 2004). FIGURE 3-13. CALIFORNIA GNATCATCHER LOCATIONS MCBCP On Camp Pendleton, the coastal California gnatcatcher’s distribution is basewide primarily within CSS habitat (94% of territories are in areas that burned ten years or more Chapter 3 – Natural Resources 3-43
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Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton

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