Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton

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MCB Camp Pendleton, California MCBCP On Camp Pendleton, San Diego button-celery has been found in a total of 72 GIS mapped locations south of the Santa Margarita River basin, inland near the Wire Mountain housing development (Figure 3-36). For detailed information on San Diego button-celery and its management on Base see Appendix F, Section F.15. 3.2.4.16. Spreading Navarretia (Navarretia fossalis) Spreading navarretia is a low, spreading or ascending, annual herb that occurs in vernal pools. Stems are approximately 4 to 6 inches long and are mostly bare on the lower portions. Leaves are divided into linear segments. Flowers (April-June) are white to pale lavender, borne in small, flattopped, leafy clusters. Spreading navarretia is threatened by urbanization, foot traffic, off-road vehicles, grazing agriculture and watershed alteration (drainage). FIGURE 3-38. SPREADING NAVARRETIA MANAGEMENT STATUS (PHOTO SOURCE: GARY A. MONROE @ USDA-NRCS PLANTS DATABASE) Federal Status Spreading navarretia was listed as threatened on 13 October 1998, and is included in the approved recovery plan for the listed species of southern California vernal pools (USFWS 1998e & 1998b). In response to a court order, critical habitat for this species was proposed on 7 October 2004 (USFWS 2004i). The USFWS proposed to designate 4,301 ac of spreading navarretia habitat as critical habitat in San Diego and Los Angeles Counties; the 128 ac of essential habitat on Camp Pendleton (see Figure 3-38) was excluded from the final critical habitat designation pursuant to Section 4(b)(2) of the ESA (USFWS 2005h). On 10 June 2009, the USFWS issued a proposed revised critical habitat designation for the species in order to include all areas essential to its conservation; the 145 ac of critical habitat on Base within the Stuart Mesa and Wire Mountain subunits were exempt under 4(a)(3)(B) of the Sikes Act. Comments on the proposed revised critical habitat designation were accepted until 10 August 2009 (USFWS 2009h). On 7 October 2010, a final critical habitat designation of 6,720 ac was made by the USFWS. On Base essential habitat was exempted from critical habitat designation due to the Base’s INRMP providing a sufficient conservation benefit to the species (USFWS 2010f). 3-74 Chapter 3 – Natural Resources
Integrated Natural Resources Management Plan [March 2012 - Update] California Status No special status has been assigned to spreading navarretia by the State of California. Regional Status Spreading navarretia is a covered species in the following southern California NCCP documents: • 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. • SDG&E. • Western Riverside MSHCP. The CNPS identifies spreading navarretia as rare, threatened, or endangered in California and elsewhere (List 1B) and seriously endangered in California (Threat Code 1) (CNPS 2008). FIGURE 3-39. SPREADING NAVARRETIA LOCATIONS MCBCP Status The Base is in consultation with USFWS regarding monitoring and management of upland habitats and species basewide including vernal pools occupied by spreading navarretia. The Base has instituted measures for avoidance and minimization of impacts to vernal pools and all vernal pools species including spreading navarretia. These measures are published as programmatic instructions for users and residents of the Base via Camp Pendleton’s Base Order P3500.1M (Range and Training Regulations). Management details, survey information, etc., for spreading navarretia are located in Appendix F, Section F.11. Chapter 3 – Natural Resources 3-75
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Integrated Natural Resources Manage
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Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton

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