Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton
Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton
Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton
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Integrated <strong>Natural</strong> <strong>Resources</strong> Management Plan [March 2012 - Update]<br />
Angeles County to northern San Diego County (USFWS 2007b).<br />
Regional<br />
In San Diego County, the tidewater goby is present in Estuaries on <strong>Camp</strong> <strong>Pendleton</strong>. The<br />
species' southernmost known locality is currently Cockleburr Canyon, (USFWS 2008e).<br />
MCBCP<br />
Overall, gobies are not present in all habitats year-round, and their distribution and density<br />
may vary seasonally and spatially. On <strong>Camp</strong> <strong>Pendleton</strong>, the extirpation and recolonization<br />
of gobies fluctuate yearly between lagoons. Tidewater goby presence/absence surveys are<br />
conducted annually in the following lagoons: San Mateo, San Onofre, Las Flores, Hidden,<br />
Aliso, French, Cocklebur, and the Santa Margarita (Figure 3-28). Management details,<br />
presence/absence surveys, etc., for the tidewater goby are located in Appendix F, Section<br />
F.22.<br />
3.2.4.13. Arroyo Toad (Anaxyrus californicus)<br />
The arroyo toad is a light-brown to<br />
greenish-grey, blunt-nosed, and wartyskinned<br />
toad. The belly is buff or white<br />
and often lacks spots. A light-colored<br />
stripe outlines the bottom of the eye and<br />
glands (paratoid) behind the eyes are<br />
oval-shaped. Arroyo toads utilize a<br />
variety of habitats for breeding, foraging<br />
and hibernating. Sandy washes, dry<br />
streambeds, arroyos, and adjacent<br />
upland habitat (desert, shrubland,<br />
referred to as the upland component) are<br />
primarily used for burrowing (February<br />
– July) and hibernating<br />
(August/September – February/March)<br />
(AmphibiaWeb 2009). Breeding and<br />
FIGURE 3-30. ARROYO TOAD<br />
egg laying occurs on rivers that have<br />
(PHOTO SOURCE: PHIL ROULLARD, USFWS)<br />
shallow, gravelly pools adjacent to<br />
sandy terraces (referred to as the<br />
riparian component) (NatureServe 2005). The riparian area Special Management Season of<br />
the arroyo toad extends from 15 March through 15 August.<br />
MANAGEMENT STATUS<br />
Federal Status<br />
The arroyo toad (Anaxyrus californicus) was listed as a federally endangered species on 16<br />
December 1994 (USFWS 1994e). The USFWS designated approximately 182,360 ac of<br />
critical habitat for the arroyo toad on 7 February 2001 (USFWS 2001b, c). A court order<br />
set aside the designation on 30 October 2002, and ordered a new critical habitat designation<br />
for the arroyo toad. On 28 April 2004, a proposed rule to designate approximately 138,713<br />
ac of critical habitat in Monterey, Santa Barbara, Ventura, Los Angeles, San Bernardino,<br />
Riverside, Orange, and San Diego Counties, California was published (USFWS 2004g).<br />
<strong>Chapter</strong> 3 – <strong>Natural</strong> <strong>Resources</strong> 3-63