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Genetic turnovers a...
Genetic turnovers and northern survival during the last glacial maximum in European brown bears
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- Ersmark, Erik (author)
- Naturhistoriska riksmuseet,Stockholms universitet,Zoologiska institutionen,Swedish Museum of Natural History, Sweden,Enheten för bioinformatik och genetik
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Baryshnikov, Gennady (author)
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Higham, Thomas (author)
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Argant, Alain (author)
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Castaños, Pedro (author)
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Döppes, Doris (author)
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Gasparik, Mihaly (author)
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Germonpré, Mietje (author)
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- Lidén, Kerstin (author)
- Stockholms universitet,Institutionen för arkeologi och antikens kultur
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Lipecki, Grzegorz (author)
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Marciszak, Adrian (author)
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Miller, Rebecca (author)
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Moreno-García, Marta (author)
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Pacher, Martina (author)
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Robu, Marius (author)
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- Rodriguez-Varela, Ricardo (author)
- Stockholms universitet,Institutionen för arkeologi och antikens kultur
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Rojo Guerra, Manuel (author)
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Sabol, Martin (author)
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Spassov, Nikolai (author)
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- Storå, Jan (author)
- Stockholms universitet,Institutionen för arkeologi och antikens kultur
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Valdiosera, Christina (author)
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Villaluenga, Aritza (author)
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Stewart, John R. (author)
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- Dalen, Love (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik
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(creator_code:org_t)
- 2019-04-16
- 2019
- English.
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In: Ecology and Evolution. - : Wiley. - 2045-7758. ; 9:10, s. 5891-5905
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https://onlinelibrar...
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https://nrm.diva-por... (primary) (Raw object)
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Abstract
Subject headings
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- The current phylogeographic pattern of European brown bears (Ursus arctos) has commonly been explained by postglacial recolonization out of geographically distinct refugia in southern Europe, a pattern well in accordance with the expansion/contraction model. Studies of ancient DNA from brown bear remains have questioned this pattern, but have failed to explain the glacial distribution of mitochondrial brown bear clades and their subsequent expansion across the European continent. We here present 136 new mitochondrial sequences generated from 346 remains from Europe, ranging in age between the Late Pleistocene and historical times. The genetic data show a high Late Pleistocene diversity across the continent and challenge the strict confinement of bears to traditional southern refugia during the last glacial maximum (LGM). The mitochondrial data further suggest a genetic turnover just before this time, as well as a steep demographic decline starting in the mid-Holocene. Levels of stable nitrogen isotopes from the remains confirm a previously proposed shift toward increasing herbivory around the LGM in Europe. Overall, these results suggest that in addition to climate, anthropogenic impact and inter-specific competition may have had more important effects on the brown bear's ecology, demography, and genetic structure than previously thought.
Subject headings
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Keyword
- LGM
- mtDNA
- phylogeography
- refugia
- Ursus arctos
- Livets mångfald
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
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Ersmark, Erik
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Baryshnikov, Gen ...
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Higham, Thomas
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Argant, Alain
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Castaños, Pedro
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Döppes, Doris
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show more...
-
Gasparik, Mihaly
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Germonpré, Mietj ...
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Lidén, Kerstin
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Lipecki, Grzegor ...
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Marciszak, Adria ...
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Miller, Rebecca
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Moreno-García, M ...
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Pacher, Martina
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Robu, Marius
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Rodriguez-Varela ...
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Rojo Guerra, Man ...
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Sabol, Martin
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Spassov, Nikolai
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Storå, Jan
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Valdiosera, Chri ...
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Villaluenga, Ari ...
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Stewart, John R.
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Dalen, Love
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
- Articles in the publication
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Ecology and Evol ...
- By the university
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Stockholm University
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Swedish Museum of Natural History