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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: The shaping of genetic variation in edge-of-range populations under past and future climate change (Letter)
Author(s): Razgour, Orly
Juste, Javier
Ibanez, Carlos
Kiefer, Andreas
Rebelo, Hugo
Puechmaille, Sebastien J
Arlettaz, Raphael
Burke, Terry
Dawson, Deborah A
Beaumont, Mark A
Jones, Gareth
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Keywords: Approximate Bayesian computation
ecological niche modelling
niche conservatism
Issue Date: Oct-2013
Citation: Razgour O, Juste J, Ibanez C, Kiefer A, Rebelo H, Puechmaille SJ, Arlettaz R, Burke T, Dawson DA, Beaumont MA & Jones G (2013) The shaping of genetic variation in edge-of-range populations under past and future climate change (Letter), Ecology Letters, 16 (10), pp. 1258-1266.
Abstract: With rates of climate change exceeding the rate at which many species are able to shift their range or adapt, it is important to understand how future changes are likely to affect biodiversity at all levels of organisation. Understanding past responses and extent of niche conservatism in climatic tolerance can help predict future consequences. We use an integrated approach to determine the genetic consequences of past and future climate changes on a bat species, Plecotus austriacus. Glacial refugia predicted by palaeo-modelling match those identified from analyses of extant genetic diversity and model-based inference of demographic history. Former refugial populations currently contain disproportionately high genetic diversity, but niche conservatism, shifts in suitable areas and barriers to migration mean that these hotspots of genetic diversity are under threat from future climate change. Evidence of population decline despite recent northward migration highlights the need to conserve leading-edge populations for spearheading future range shifts.
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Rights: © 2013 The Authors. Ecology Letters published by John Wiley & Sons Ltd and CNRS. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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