September 2005 Archives

salamander fossils and climate change

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A new study, Temporal response of the tiger salamander (Ambystoma tigrinum) to 3,000 years of climatic variation, published by the online journal BMC Ecology shows that climate changes over the last 3000 year have resulted in changes in the Tiger Salamander (Ambystoma tigrinum). The study used Tiger Salamander fossils collected from Lamar Cave in Yellowstone National Park and correlated the fossils with climatic change. Results from the study seem to indicate that climate change that results in the loss of permanent aquatic environments would lead to an overall loss of vertebrate biomass.