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1. armi.usgs.gov › sotaThe State of Amphibians in the United States - USGS

   armi.usgs.gov › sota

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   This page summarizes the state of amphibians in the U.S. and highlights the major factors contributing to declines. Serious declines are occurring in the United States but the number of extinctions is not as extreme as in other parts of the world.

2. www.usgs.gov › publications › state-amphibians-united-statesThe state of amphibians in the United States

   www.usgs.gov › publications › state-amphibians-united-states

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   6 Δεκ 2012 · Amphibian decline is a problem of local, national, and international scope that can affect ecosystem function, biodiversity, and commerce. This fact sheet provides a snapshot of the state of the amphibians and introduces examples to illustrate the range of issues in the United States.

3. armi.usgs.gov › docs › SOTA 2013The State of Amphibians in the United States - USGS

   armi.usgs.gov › docs › SOTA 2013

   Amphibian decline is a problem of local, national, and international scope that can affect ecosystem function, biodiversity, and commerce. This fact sheet provides a snapshot of the state of the amphibians and introduces examples to illustrate the range of issues in the United States. The State of Amphibians in the United States

4. research.fs.usda.gov › treesearch › 43878The state of amphibians in the United States | US Forest Service...

   research.fs.usda.gov › treesearch › 43878

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   Amphibian decline is a problem of local, national, and international scope that can affect ecosystem function, biodiversity, and commerce. This fact sheet provides a snapshot of the state of the amphibians and introduces examples to illustrate the range of issues in the United States.

5. armi.usgs.gov › atlasNational Amphibian Atlas - ARMI - USGS

   armi.usgs.gov › atlas

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   The National Amphibian Atlas provides county-level distribution data for all amphibians in the US. The records are currently being updated. The last major update was 2021. Species by County. Species Richness Layer.

6. biodiversitymapping.org › index › usa-amphibiansMapping the Diversity of Amphibians in the USA -...

   biodiversitymapping.org › index › usa-amphibians

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   Maps of the diversity of amphibians in the USA, including endemics, threatened species, and priority conservation areas. GIS data available.

7. www.usgs.gov › publications › north-american-amphibians-distribution-and-diversityNorth American amphibians: Distribution and diversity

   www.usgs.gov › publications › north-american-amphibians-distribution-and-diversity

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   1 Μαρ 2014 · This atlas presents the spectacular diversity of North American amphibians in a geographic context. It covers all formally recognized amphibian species found in the United States and Canada, many of which are endangered or threatened with extinction.