Delayed phenology and reduced fitness associated with climate change in a wild hibernator

Jeffrey E. Lane (), Loeske E. B. Kruuk, Anne Charmantier, Jan O. Murie and F. Stephen Dobson
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Jeffrey E. Lane: Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3JT, UK
Loeske E. B. Kruuk: Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3JT, UK
Anne Charmantier: Centre d’Ecologie Fonctionelle et Evolutive, Unité Mixte de Recherche, CNRS 5175, 1919 Route de Mende, 34293 Montpellier Cedex 5, France
Jan O. Murie: University of Alberta, Edmonton, Alberta T6G 2E9, Canada
F. Stephen Dobson: Centre d’Ecologie Fonctionelle et Evolutive, Unité Mixte de Recherche, CNRS 5175, 1919 Route de Mende, 34293 Montpellier Cedex 5, France

Nature, 2012, vol. 489, issue 7417, 554-557

Abstract: Delay in the hibernation emergence date of female Columbian ground squirrels in Canada over 20 years is related to climatic conditions other than increasing temperature, and as years of later emergence are associated with decreased individual fitness, plastic responses to climate change may be associated with declines in population viability.

Date: 2012
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DOI: 10.1038/nature11335

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