|Amphibians at Risk|
|Source: Scientific American, Dec. 1997 - map and text by Roger Doyle
Data from The Nature Conservancy and Natural Heritage Network in cooperation with the Association for Biodiversity Information
Some 5,000 species of amphibians inhabit the world, mostly frogs, toads, and salamanders, and they seem to be dying at unprecedented rates. This situation has raised alarm because amphibians are widely regarded as uniquely sensitive indicators of the planet's health. Much of the damage to amphibians comes from habitat destruction, particularly the draining of wetlands, but what has scientists particularly worried are the declines and apparent extinctions in areas far removed from obivous human intrusion. Map originally published in Scientific American, Dec. 1997.
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