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Staying out in the cold: glacial refugia and mitochondrial DNA phylogeography in ancient European brown bears

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Valdiosera Morales, Cristina and García García, Nuria and Anderung, Cecilia and Dolén, Love and Cregut Bonnoure, Evelyne and Kahlke, Ralph Dietrich and Mathias, Stiller and Brandstrom, Mikael and Thomas, Mark G. and Arsuaga, Juan Luis and Götherström, Anders and Barnes, Ian (2007) Staying out in the cold: glacial refugia and mitochondrial DNA phylogeography in ancient European brown bears. Molecular ecology, 16 . pp. 5140-5148. ISSN 0962-1083

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Official URL: http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-294X



Abstract

Models for the development of species distribution in Europe typically invoke restriction
in three temperate Mediterranean refugia during glaciations, from where recolonization of
central and northern Europe occurred. The brown bear, Ursus arctos, is one of the taxa from
which this model is derived. Sequence data generated from brown bear fossils show a
complex phylogeographical history for western European populations. Long-term isolation
in separate refugia is not required to explain our data when considering the palaeontological
distribution of brown bears. We propose continuous gene flow across southern Europe,
from which brown bear populations expanded after the last glaciation.


Item Type:Article
Uncontrolled Keywords:Ancient DNA, Expansion contraction model, Gene flow, Last glacial maximum, Phylogeography, Recolonization
Subjects:Sciences > Geology > Paleontology
ID Code:27907
Deposited On:13 Jan 2015 13:35
Last Modified:11 Dec 2018 08:42

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