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The U.S. Geological Survey Amphibian Research and Monitoring Initiative-2011 Annual Update

Amphibians are declining throughout the US. Here we explain how we monitor amphibians and why, along with some of the results we have obtained.

by Adams, Michael J.; Grant, Evan H. C.; Miller, David A.; Waddle, J. Hardin; and Ball, Lianne C.
U.S. Geological Survey Fact Sheet 2012-3090
Related topics:
Amphibians, Animal and plant census, Biogeography, Herpetology, Invasive species, Population dynamics, Wildlife disease

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