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Publisher: USGS (South Florida Information Access (SOFIA)) | Science Center: USGS Other | Format: URL
sofia.usgs.gov — This project uses data on detection of amphibian species after repeated sampling at a site to estimate the occupancy rate of various amphibian species (MacKenzie et al., 2002). Declines in amphibian populations have been documented for many regions and habitat types worldwide (Alford and Richards, 1999). No single cause for declines has been More...
Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: URL
fresc.usgs.gov — An overview of research that defines the distribution and habitat requirements of amphibians and reptiles in southern Oregon, mostly in old-growth forests or alpine habitats. Includes links to USGS publications resulting from this research.
Publisher: USGS | Science Center: Florida Integrated Science Center (FISC, Gainesville) | Format: URL
fl.biology.usgs.gov — This website is a list of amphibians of the Southeastern United States, Puerto Rico, and the U.S. Virgin Islands. The data provided in this checklist includes Taxa, Code, the number of species recognized in the region, Reproduction data (aquatic or terrestrial), the species Aquatic Habitat, whether the species has a mating call, its Life History, More...
Publisher: NBII | Format: URL
www.nbii.gov — The NBII Amphibians Web site serves as a resource for individuals to learn about amphibians and factors affecting global amphibian populations. This site allows citizen scientists to contribute informative reports regarding local amphibian populations, thereby assisting the greater scientific community's efforts to better understand amphibian More...
U.S. Department of the Interior |
U.S. Geological Survey