Genetic diversity in caribou linked to past and future climate change

被引：0
作者：
Yannic G. [1 ,2 ,3 ]
Pellissier L. [4 ,5 ]
Ortego J. [1 ,6 ,7 ]
Lecomte N. [8 ,9 ]
Couturier S. [10 ]
Cuyler C. [11 ]
Dussault C. [10 ]
Hundertmark K.J. [12 ]
Irvine R.J. [13 ]
Jenkins D.A. [14 ]
Kolpashikov L. [15 ]
Mager K. [12 ]
Musiani M. [16 ]
Parker K.L. [17 ]
Røed K.H. [18 ]
Sipko T. [19 ]
Pórisson S.G. [20 ]
Weckworth B.V. [21 ]
Guisan A. [4 ,22 ]
Bernatchez L. [1 ,3 ]
Côté S.D. [1 ,2 ]
机构：
[1] Département de Biologie, Université Laval, Pavillon Alexandre-Vachon, Québec, G1V 0A6, 1045 avenue de la Médecine, Québec
[2] Centre d'Etudes Nordiques, Université Laval, Pavillon Abitibi-Price, Québec, G1V 0A6, 2405, rue de la Terrasse, Québec
[3] Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Pavillon Charles-Eugène-Marchand, Québec, Québec
[4] Department of Ecology and Evolution, Biophore Building, University of Lausanne
[5] Unit of Ecology and Evolution, University of Fribourg, Fribourg 1700
[6] Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), Madrid E-28006
[7] Grupo de Investigación de la Biodiversidad Genética y Cultural, Instituto de Investigación en Recursos Cinegéticos - IREC, CSIC, UCLM, JCCM, E-13005 Ciudad Real, Ronda de Toledo s/n
[8] Department of Arctic and Marine Biology, University of Tromsø
[9] Canada Research Chr. in Polar and Boreal Ecology, Department of Biology, Université de Moncton, Moncton, New-Brunswick
[10] Direction de la faune terrestre et de l'avifaune, Ministère du Développement durable, de l'Environnement, Québec
[11] Greenland Institute of Natural Resources, Nuuk 3900, Kivioq 2
[12] Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks
[13] James Hutton Institute, Craigiebuckler
[14] Department of Environment, Baffin Region, Government of Nunavut, Nunavut, X0A 0S0
[15] Extreme North Agricultural Research Institute, Norilsk 663300
[16] Faculties of Environmental Design and Veterinary Medicine, University of Calgary, Calgary, AB
[17] Natural Resources and Environmental Studies, University of Northern British Columbia, Prince George, BC
[18] Department of Basic Sciences and Aquatic Medecine, Norwegian School of Veterinary Science
[19] Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow 119071
[20] East Iceland Natural History Institute, Egilsstaoir 700
[21] Panthera, New York, NY 10018, 8 West 40th Street
[22] Institute of Earth Surface Dynamics, University of Lausanne, Géopolis
来源：
Nature Climate Change | 2014年 / 4卷 / 2期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1038/nclimate2074
中图分类号：
学科分类号：
摘要：
Climate-driven range fluctuations during the Pleistocene have continuously reshaped species distribution leading to populations of contrasting genetic diversity. Contemporary climate change is similarly influencing species distribution and population structure, with important consequences for patterns of genetic diversity and species' evolutionary potential. Yet few studies assess the impacts of global climatic changes on intraspecific genetic variation. Here, combining analyses of molecular data with time series of predicted species distributions and a model of diffusion through time over the past 21 kyr, we unravel caribou response to past and future climate changes across its entire Holarctic distribution. We found that genetic diversity is geographically structured with two main caribou lineages, one originating from and confined to Northeastern America, the other originating from Euro-Beringia but also currently distributed in western North America. Regions that remained climatically stable over the past 21 kyr maintained a high genetic diversity and are also predicted to experience higher climatic stability under future climate change scenarios. Our interdisciplinary approach, combining genetic data and spatial analyses of climatic stability (applicable to virtually any taxon), represents a significant advance in inferring how climate shapes genetic diversity and impacts genetic structure. © 2014 Macmillan Publishers Limited.
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页码：132 / 137
页数：5
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