WASHINGTON — Frogs, salamanders and other amphibians might eventually have no haven left on the globe because of a triple threat of worsening scourges, a new study predicts.
Scientists have long known that amphibians are under attack from a killer fungus, climate change and shrinking habitat. In the study, appearing online in the journal Nature, computer models project that
in about 70 years, those three threats will spread, leaving no part of the world immune to one of them.
Several important U.S. amphibian species — such as boreal toads in the Rocky Mountains, and the mountain yellow legged frog in the Sierra Nevada — are shrinking in numbers, said zoologist Steve Corn, who is part of the U.S. Geological Survey’s Amphibian Research and Monitoring Initiative. The problem is worse in the western United States.
About one-third of the world’s amphibian species are known to be threatened with extinction.
“It’s no fun being a frog,” said biodiversity conservationist Stuart Pimm of Duke University, who wasn’t part of the study or the USGS effort. “They are getting it from all three different factors.”
http://www.dispatch.com/content/stories/national_world/2011/11/19/amphibians-face-spread-of-3-threats.html
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