The colonisation history of British water vole (Arvicola amphibius [L., 1758]): origins and development of the Celtic Fringe
2016
Brace, Selina | Ruddy, Mark | Miller, Rebecca | Schreve, Danielle | Stewart, John | Barnes, Ian
The terminal Pleistocene and Early Holocene, a period from 15 000 to 18 000Before Present (BP), was critical in establishing the current Holarctic fauna,with temperate-climate species largely replacing cold-adapted ones at midlatitudes.However, the timing and nature of this process remain unclearfor many taxa, a point that impacts on current and future management strategies.Here, we use an ancient DNA dataset to test more directly postglacialhistories of the water vole (Arvicola amphibius, formerly A. terrestris), aspecies that is both a conservation priority and a pest in different parts ofits range. We specifically examine colonization of Britain, where a complexgenetic structure can be observed today. Although we focus on populationhistory at the limits of the species’ range, the inclusion of additional Europeansamples allows insights into European postglacial colonizationevents and provides a molecular perspective on water vole taxonomy.
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