BBC News, London, UK, Oct. 27th, 2008: Climate link to amphibian decline
Amphibian populations at Yellowstone - the world's oldest national park - are in steep decline, a major study shows.
The authors link this to the drying out of wetlands where the animals live and breed, which is in turn being driven by long-term climate change.
The results, reported in the journal PNAS, suggest that climate warming has already disrupted one of the best-protected ecosystems on Earth.
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http://news.bbc.co.uk/2/hi/science/nature/7693381.stm