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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 y García García, Nuria y Anderung, Cecilia y Dolén, Love y Cregut Bonnoure, Evelyne y Kahlke, Ralph Dietrich y Mathias, Stiller y Brandstrom, Mikael y Thomas, Mark G. y Arsuaga, Juan Luis y Götherström, Anders y 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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URL Oficial: http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-294X



Resumen

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.


Tipo de documento:Artículo
Palabras clave:Ancient DNA, Expansion contraction model, Gene flow, Last glacial maximum, Phylogeography, Recolonization
Materias:Ciencias > Geología > Paleontología
Código ID:27907
Depositado:13 Ene 2015 13:35
Última Modificación:11 Dic 2018 08:42

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