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Article
Sean D. Schoville, Auteur ; Tate S. Tustall, Auteur ; Vance T. Vredenburg, Auteur ; Adam R. Backlin, Auteur ; Elizabeth Gallegos, Auteur ; Dustin A. Wood, Auteur ; Robert N. Fisher, AuteurSevere population declines led to the listing of southern California Rana muscosa (Ranidae) as endangered in 2002. Nine small populations inhabit watersheds in three isolated mountain ranges, the San Gabriel, San Bernardino and San Jacinto. One [...]
Article
Jay E. Diffendorfer, Auteur ; Genie M. Fleming, Auteur ; Jennifer M. Duggan, Auteur ; Robert E. Chapman, Auteur ; Matthew E. Rahn, Auteur ; Milan J. Mitrovich, Auteur ; Robert N. Fisher, AuteurWe screened 351 species or genera for their response to disturbance in coastal sage scrub (CSS) to develop a 15-metric, 5-taxon Index of Biological Integrity (IBI). We collected data on ants, birds, herpetofauna, small mammals, and plants for tw[...]
Article
Amy G. Vandergast, Auteur ; Andrew J. Bohonak, Auteur ; Stacie A. Hathaway, Auteur ; Joshua Boys, Auteur ; Robert N. Fisher, AuteurReserves are often designed to protect rare habitats, or "typical" exemplars of ecoregions and geomorphic provinces. This approach focuses on current patterns of organismal and ecosystem-level biodiversity, but typically ignores the evolutionary[...]
Article
Jonathan Q. Richmond, Auteur ; Adam R. Backlin, Auteur ; Patricia J. Tatarian, Auteur ; Ben G. Solvesky, Auteur ; Robert N. Fisher, AuteurDemographic declines and increased isolation of peripheral populations of the threatened California red-legged frog (Rana draytonii) have led to the formation of internal range boundaries at opposite ends of the species' distribution. While the [...]
Article
Adam R. Backlin, Auteur ; Cynthia J. Hitchcock, Auteur ; Elizabeth A. Gallegos, Auteur ; Julie L. Yee, Auteur ; Robert N. Fisher, AuteurWe conducted surveys for the Endangered Sierra Madre yellow-legged frog Rana muscosa throughout southern California to evaluate the current distribution and status of the species. Surveys were conducted during 2000-2009 at 150 unique streams and[...]
