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Global metabolic impacts of recent climate warming

Michael E. Dillon (), George Wang and Raymond B. Huey
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Michael E. Dillon: University of Wyoming
George Wang: Box 351800, University of Washington
Raymond B. Huey: Box 351800, University of Washington

Nature, 2010, vol. 467, issue 7316, 704-706

Abstract: Metabolic impacts of climate warming Organisms living at mid- to high latitudes in the Northern Hemisphere have been predicted to be potentially the most affected by climate warming, as that is where temperatures have risen most rapidly. But Michael Dillon and colleagues now turn the spotlight onto the prospects for ectotherms — 'cold blooded' animals that regulate their body temperatures by exchanging heat with their surroundings — living in the tropics. Temperature rise does not have a linear effect on an organism's biology, and estimated warming-induced changes in metabolic rate for tropical ectotherms are found to be larger than, or equivalent in magnitude to, those observed in temperate climates. This work may have profound implications both locally and globally, because the tropics are an important engine of primary productivity and contain a large proportion of the world's biodiversity.

Date: 2010
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DOI: 10.1038/nature09407

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