Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton

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MCB Camp Pendleton, California California Status No special status has been designated for the tidewater goby by the State of California (CDFG 2008). Regional Status The tidewater goby is a covered species in the following southern California NCCP document: • Dos Pueblos Golf Links. MCBCP Status Protection and management of the tidewater goby and its habitat is provided for in the Estuarine and Beach Conservation Plan as an attachment to the Riparian BO signed on 30 October 1995. The Estuarine and Beach Conservation Plan is located in Appendix B and the terms and conditions to the BO are located in Appendix L. Programmatic instructions that provide basewide prescriptions for avoidance and minimization of impacts to the tidewater goby and its habitat are provided to users of the Base in Base Order P3500.1N (Range and Training Regulations). Management details, survey information, etc., for the tidewater goby are located in Appendix F, Section F.22. DISTRIBUTION Global Historically, the tidewater goby ranged from Tillas Slough (mouth of the Smith River, Del Norte County) near the Oregon border to Agua Hedionda Lagoon (northern San Diego County) (USFWS 1999d). Tidewater gobies appear to be naturally absent (now and historically) from three large (50 to 135 mi or 80 to 217 km) stretches of coastline where lagoons or estuaries are absent and steep topography or swift currents may prevent tidewater gobies from dispersing between adjacent localities. From north to south, the first gap is between the Eel River in Humboldt County and the Ten Mile River in Mendocino County. The second gap is between Lagoon Creek in Mendocino County and Salmon Creek in Sonoma County. The southernmost large natural-gap occurs between the Salinas River in Monterey County and Arroyo del Oso in San Luis Obispo County. Habitat loss and other anthropogenic-related factors have resulted in the tidewater goby now being absent from several locations where it historically occurred, which has created non-natural gaps in the species’ geographic distribution; the largest of these extends at least 70 mi (113 km) from northern Los FIGURE 3-29. TIDEWATER GOBY HABITAT 3-62 Chapter 3 – Natural Resources
Integrated Natural Resources Management Plan [March 2012 - Update] Angeles County to northern San Diego County (USFWS 2007b). Regional In San Diego County, the tidewater goby is present in Estuaries on Camp Pendleton. The species' southernmost known locality is currently Cockleburr Canyon, (USFWS 2008e). MCBCP Overall, gobies are not present in all habitats year-round, and their distribution and density may vary seasonally and spatially. On Camp Pendleton, the extirpation and recolonization of gobies fluctuate yearly between lagoons. Tidewater goby presence/absence surveys are conducted annually in the following lagoons: San Mateo, San Onofre, Las Flores, Hidden, Aliso, French, Cocklebur, and the Santa Margarita (Figure 3-28). Management details, presence/absence surveys, etc., for the tidewater goby are located in Appendix F, Section F.22. 3.2.4.13. Arroyo Toad (Anaxyrus californicus) The arroyo toad is a light-brown to greenish-grey, blunt-nosed, and wartyskinned toad. The belly is buff or white and often lacks spots. A light-colored stripe outlines the bottom of the eye and glands (paratoid) behind the eyes are oval-shaped. Arroyo toads utilize a variety of habitats for breeding, foraging and hibernating. Sandy washes, dry streambeds, arroyos, and adjacent upland habitat (desert, shrubland, referred to as the upland component) are primarily used for burrowing (February – July) and hibernating (August/September – February/March) (AmphibiaWeb 2009). Breeding and FIGURE 3-30. ARROYO TOAD egg laying occurs on rivers that have (PHOTO SOURCE: PHIL ROULLARD, USFWS) shallow, gravelly pools adjacent to sandy terraces (referred to as the riparian component) (NatureServe 2005). The riparian area Special Management Season of the arroyo toad extends from 15 March through 15 August. MANAGEMENT STATUS Federal Status The arroyo toad (Anaxyrus californicus) was listed as a federally endangered species on 16 December 1994 (USFWS 1994e). The USFWS designated approximately 182,360 ac of critical habitat for the arroyo toad on 7 February 2001 (USFWS 2001b, c). A court order set aside the designation on 30 October 2002, and ordered a new critical habitat designation for the arroyo toad. On 28 April 2004, a proposed rule to designate approximately 138,713 ac of critical habitat in Monterey, Santa Barbara, Ventura, Los Angeles, San Bernardino, Riverside, Orange, and San Diego Counties, California was published (USFWS 2004g). Chapter 3 – Natural Resources 3-63
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Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton

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