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Complete taxon sampling of the avian genus Pica (magpies) reveals ancient relictual populations and synchronous Late-Pleistocene demographic expansion across the Northern Hemisphere
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- Song, Gang (author)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China
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- Zhang, Ruiying (author)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China; Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Dev Biol, Beijing, Peoples R China
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- Alström, Per, Professor (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Uppsala universitet,Zooekologi,Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China; Swedish Univ Agr Sci, Swedish Species Informat Ctr, Uppsala, Sweden,ARTDATABANKEN,Swedish Species Information Centre,Chinese Academy of Sciences,Uppsala University
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- Irestedt, Martin, 1968- (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik
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- Cai, Tianlong (author)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China; Univ Chinese Acad Sci, Coll Life Sci, Beijing, Peoples R China; Univ Copenhagen, Nat Hist Museum Denmark, Ctr Macroecol Evolut & Climate, Copenhagen, Denmark
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- Qu, Yanhua (author)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China
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- Ericson, Per G. P. (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik
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- Fjeldså, Jon (author)
- Univ Copenhagen, Nat Hist Museum Denmark, Ctr Macroecol Evolut & Climate, Copenhagen, Denmark
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- Lei, Fumin (author)
- Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing, Peoples R China; Univ Chinese Acad Sci, Coll Life Sci, Beijing, Peoples R China
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(creator_code:org_t)
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- 2018-02-27
- 2018
- English.
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In: Journal of Avian Biology. - : WILEY. - 0908-8857 .- 1600-048X. ; 49:2
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Abstract
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- Previous studies have suggested that bird populations in east Asia were less affected by Pleistocene climatic fluctuations than those in Europe and North America. However, this is mainly based on comparisons among species. It would be more relevant to analyse geographical populations of widespread species or species complexes. We analyzed two mitochondrial genes and two nuclear introns for all taxa of Pica to investigate 1) which Earth history factors have shaped the lineage divergence, and 2) whether different geographical populations were differently affected by the Pleistocene climatic changes. Our mitochondrial tree recovered three widespread lineages, 1) in east Asia, 2) across north Eurasia, and 3) in North America, respectively, with three isolated lineages in northwest Africa, Arabia and the Qinghai‐Tibet Plateau, respectively. Divergences among lineages took place 1.4–3.1 million yr ago. The northwest African population was sister to the others, which formed two main clades. In one of these, Arabia was sister to Qinghai‐Tibet, and these formed the sister clade to the east Asia clade. The other main clade comprised the North American and north Eurasian clades. There was no or very slight structure within these six geographical clades, including a lack of differentiation between the two North American species black‐billed magpie P. hudsonia and yellow‐billed magpie P. nutalli. Demographic expansion was recorded in the three most widespread lineages after 0.06 Ma. Asymmetric gene flow was recorded in the north Eurasian clade from southwestern Europe eastward, whereas the east Asian clade was rooted in south central China. Our results indicate that the fragmentation of the six clades of Pica was related to climatic cooling and aridification during periods of the Pliocene–Pleistocene. Populations on both sides of the Eurasian continent were similarly influenced by the Pleistocene climate changes and expanded concomitantly with the expansion of steppes. Based on results we also propose a revised taxonomy recognising seven species of Pica.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biologisk systematik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biological Systematics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Keyword
- lineage divergence
- Palearctic
- population expansion
- Ecosystems and species history
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Song, Gang
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Zhang, Ruiying
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Alström, Per, Pr ...
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Irestedt, Martin ...
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Cai, Tianlong
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Qu, Yanhua
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Ericson, Per G. ...
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Fjeldså, Jon
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Lei, Fumin
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Evolutionary Bio ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Biological Syste ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Zoology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Climate Research
- Articles in the publication
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Journal of Avian ...
- By the university
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Uppsala University
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Swedish University of Agricultural Sciences
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Swedish Museum of Natural History