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Scientists find deadly amphibian disease in the last disease-free region of central America
Date:6/13/2011

Smithsonian scientists have confirmed that chytridiomycosis, a rapidly spreading amphibian disease, has reached a site near Panama's Darien region. This was the last area in the entire mountainous neotropics to be free of the disease. This is troubling news for the Panama Amphibian Rescue and Conservation Project, a consortium of nine U.S. and Panamanian institutions that aims to rescue 20 species of frogs in imminent danger of extinction.

Chytridiomycosis has been linked to dramatic population declines or even extinctions of amphibian species worldwide. Within five months of arriving at El Cope in western Panama, chytridiomychosis extirpated 50 percent of the frog species and 80 percent of individuals.

"We would like to save all of the species in the Darien, but there isn't time to do that now," said Brian Gratwicke, biologist at the Smithsonian Conservation Biology Institute and international coordinator for the Panama Amphibian Rescue and Conservation Project. "Our project is one of a few to take an active stance against the probable extinction of these species. We have already succeeded in breeding three species in captivity. Time may be running out, but we are looking for more resources to take advantage of the time that remains."

The Darien National Park is a World Heritage site and represents one of Central America's largest remaining wilderness areas. In 2007, Doug Woodhams, a research associate at the Smithsonian Tropical Research Institute, tested 49 frogs at a site bordering the Darien. At that time, none tested positive for the disease. In January 2010, however, Woodhams found that 2 percent of the 93 frogs he tested were infected.

"Finding chytridiomycosis on frogs at a site bordering the Darien happened much sooner than anyone predicted," Woodhams said. "The unrelenting and extremely fast-paced spread of this fungus is alarming."

The Panama Amphibian Rescue and Conservation Project has already establ
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Contact: Lindsay Renick Mayer
RenickMayerL@si.edu
202-633-3081
Smithsonian
Source:Eurekalert  

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