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Publisher: Other Federal Agency (National Wildlife Federation) | Format: URL
www.nwf.org — Frogwatch USA website is a long-term frog and toad monitoring program managed by the National Wildlife Federation in partnership with the United States Geological Survey. This resource provides valuable information about frog and toad distributions, population trends at individual wetlands, and yearly patterns of frog and toad breeding activity.
Publisher: NBII | Format: URL
frogweb.nbii.gov — A web resource for research in amphibian declines phenomena, habitat loss, climate change by exposure to UV radiation, contaminants and pollutants, disease, and predation by invasive species. General resources relating to declines phenomena and monitoring tools and resources are available on this webpage.
Publisher: USGS | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: URL
www.werc.usgs.gov — Native amphibian and reptile populations worldwide are under threat from exotic invasive species of plants and animals, including other reptiles and amphibians. As habitats are changed and plant community organization is modified by exotic species, delicate relationships between plants and animals are altered or eliminated, creating a negative More...
Publisher: USGS | Science Center: Northern Rocky Mountain Science Center (NRMSC, Bozeman) | Format: URL
www.nrmsc.usgs.gov — The boreal toad (Bufo boreas) is rare over much of its range and declines have been documented or are suspected in many areas of the West, including the northern Rocky Mountains. This issue overview evaluates the hypothesis that fire suppression and exclusion could cause decline of the boreal toad (Bufo boreas) in the northern Rocky Mountains.
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — This web resource is a collaborative effort among regional partners, such as state natural resource agencies and nonprofit organizations, and the U.S. Geological Survey (USGS) to monitor populations of vocal amphibians. Amphibian population data are collected using a calling survey technique, in which observers identify local amphibian species by More...
U.S. Department of the Interior |
U.S. Geological Survey