Αποτελέσματα Αναζήτησης
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.
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.
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.
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
The series covers amphibians and reptiles of the entire Western Hemisphere. Previously, accounts were published as loose-leaf separates; beginning in 2013 accounts are published as on-line PDFs. All accounts are open access and are available for free download at the University of Texas Library Repository.
Maps of the diversity of amphibians in the USA, including endemics, threatened species, and priority conservation areas. GIS data available.
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.
