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Shaped by uneven Pleistocene climate: mitochondrial phylogeographic pattern and population history of white wagtail Motacilla alba (Aves: Passeriformes)
Chinese Acad Sci, Kunming Inst Zool, State Key Lab Genet Resources & Evolut, Kunming 650223, Peoples R China.;Univ Chinese Acad Sci, Beijing 100049, Peoples R China..
Chinese Acad Sci, Kunming Inst Zool, State Key Lab Genet Resources & Evolut, Kunming 650223, Peoples R China..
Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing 100101, Peoples R China..
Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing 100101, Peoples R China.;Swedish Univ Agr Sci, Swedish Species Informat Ctr, SE-75007 Uppsala, Sweden..
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2016 (English)In: Journal of Avian Biology, ISSN 0908-8857, E-ISSN 1600-048X, Vol. 47, no 2, 263-274 p.Article in journal (Refereed) PublishedText
Abstract [en]

We studied the phylogeography and population history of the white wagtail Motacilla alba, which has a vast breeding range, covering areas with different Pleistocene climatic histories. The mitochondrial NADH dehydrogenase subunit II gene (ND2) and Control Region (CR) were analyzed for 273 individuals from 45 localities. Our data comprised all nine subspecies of white wagtail. Four primary clades were inferred (M, N, SW and SE), with indications of M. grandis being nested within M. alba. The oldest split was between two haplotypes from the endemic Moroccan M. a. subpersonata (clade M) and the others, at 0.63-0.96 Mya; other divergences were at 0.31-0.38 Mya. The entire differentiation falls within the part of the Pleistocene characterized by Milankovitch cycles of large amplitudes and durations. Clade N was distributed across the northern Palearctic; clade SW in southwestern Asia plus the British Isles and was predicted by Ecological niche models (ENMs) to occur also in central and south Europe; and clade SE was distributed in central and east Asia. The deep divergence within M. a. subpersonata may reflect retention of ancestral haplotypes. Regional differences in historical climates have had different impacts on different populations: clade N expanded after the last glacial maximum (LGM), whereas milder Pleistocene climate of east Asia allowed clade SE a longer expansion time (since MIS 5); clade SW expanded over a similarly long time as clade SE, which is untypical for European species. ENMs supported these conclusions in that the northern part of the Eurasian continent was unsuitable during the LGM, whereas southern parts remained suitable. The recent divergences and poor structure in the mitochondrial tree contrasts strongly with the pronounced, well defined phenotypical differentiation, indicating extremely fast plumage divergence.

Place, publisher, year, edition, pages
2016. Vol. 47, no 2, 263-274 p.
National Category
Zoology
Identifiers
URN: urn:nbn:se:uu:diva-295593DOI: 10.1111/jav.00826ISI: 000373014800015OAI: oai:DiVA.org:uu-295593DiVA: diva2:934107
Funder
Swedish Research Council, 621-2013-5161
Available from: 2016-06-08 Created: 2016-06-08 Last updated: 2016-06-08Bibliographically approved

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