COMMISSION
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American badger, three owl species, and common poorwills (nocturnal bird) have been<br />
observed. Mountain lions have only been detected using camera traps.<br />
Aquatic herpetofauna surveys to determine species<br />
presence and breeding site use are carried out using two<br />
methods: daytime dip-netting surveys and nocturnal VES.<br />
Dip-net surveys have detected eight species, of which five<br />
are special status: California red-legged frog, California<br />
tiger salamander, foothill yellow-legged frog, western<br />
spadefoot, and western pond turtle. Nocturnal VES is used<br />
to provide supplemental presence data for species that<br />
may not be detected during dip-net surveys (e.g., California<br />
tiger salamander adults). Targeted nocturnal VES for western spadefoot is conducted on<br />
nights with a high likelihood of adult activity (precipitation or high humidity between January<br />
and April). This focused effort is crucial for the seasonal protection of western spadefoot<br />
breeding puddles throughout Carnegie SVRA.<br />
Avian surveys are carried out using standard point-count methods at fixed locations within<br />
the park. These sites are stratified over four habitat types (oak woodland, sage scrub,<br />
grassland, and riparian) to allow for species-habitat relationship analyses. Over 135 bird<br />
species have been identified within the park, including special status loggerhead shrike,<br />
horned lark, and tricolored blackbird. Localized nest surveys are conducted before all<br />
projects occur in the park. Nests are avoided if found.<br />
Vegetation surveys are conducted parkwide<br />
at least once a year using point-line<br />
intercept methods at fixed transects<br />
throughout the riparian habitat of the park.<br />
This data allows staff to track the passive<br />
restoration occurring within the creek buffer<br />
that has been closed to OHV activity since<br />
December 2009. Localized botanical surveys<br />
are done prior to ground disturbing projects<br />
and large scale inventory efforts are done<br />
California tiger salamander<br />
Tesla Fire, August 2015<br />
once every several years to ensure the vegetation list is up to date. This is especially<br />
poignant after fires, such as the Tesla Fire of August 2015, when certain fire-following<br />
species occur for a relatively short period of time before going dormant within the seed<br />
bank again.<br />
136<br />
California State Parks, Off-Highway Motor Vehicle Recreation Commission
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