April 2007
Various hypotheses have been put forward to explain the catastrophic collapse in the number of frogs to be found in the tropics, from hormonal effects due to pollution, to a lethal fungus linked to global warming. Another factor has now been added: a decline in leaf litter. This study looks at 35-year decline in amphibians and reptiles in a rainforest in Costa Rica.
BBC summary, Guardian summary, PNAS article (open access), Nature article about fungus/global warning (abstract only).
