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Phylogeography of the Black-tailed Godwit Limosa limosa: substructuring revealed by mtDNA control region sequences
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Biologiska sektionen, Institutionen för ekologi och evolution, Populationsbiologi och naturvårdsbiologi.
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Biologiska sektionen, Institutionen för ekologi och evolution, Zooekologi.
2009 (Engelska)Ingår i: Journal of Ornithology = Journal fur Ornithologie, ISSN 0021-8375, E-ISSN 1439-0361, Vol. 150, nr 1, s. 45-53Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Black-tailed (Limosa limosa) and Hudsonian Godwits (L. haemastica) are sometimes described as a superspecies. The Black-tailed Godwit is further split into three subspecies on the basis of morphological differences ( L. l. limosa, L. l. islandica and L. l. melanuroides). We studied variation in partial mtDNA control region sequences among Black-tailed and Hudsonian Godwits which showed 5% divergence. Black-tailed and Hudsonian Godwits were thus clearly differentiated and the separate species status for the two taxa is validated. All three subspecies described for the Black-tailed Godwit had unique haplotypes but the genetic distances were small (0.3-0.6%). Despite small genetic differences we could not detect any substantial gene flow between any of the subspecies as haplotypes were private to each subspecies. Thus, genetic variation within Black-tailed Godwits showed a clear geographic structure. We found a high proportion of rare private haplotypes in three fringe populations of the nominate subspecies of the Black-tailed Godwit (L. l. limosa) where godwits breed in low numbers, but no genetic variation at all in a sample from the Netherlands where godwits are abundant. This suggests that Dutch Godwits may have been affected by a founder effect.

Ort, förlag, år, upplaga, sidor
2009. Vol. 150, nr 1, s. 45-53
Nyckelord [en]
Gene flow, Population structure, Phylogeography, mtDNA, Black-tailed Godwit, Hudsonian Godwit
Nationell ämneskategori
Biologiska vetenskaper
Identifikatorer
URN: urn:nbn:se:uu:diva-148790DOI: 10.1007/s10336-008-0316-8ISI: 000261424800005OAI: oai:DiVA.org:uu-148790DiVA, id: diva2:402943
Tillgänglig från: 2011-03-10 Skapad: 2011-03-10 Senast uppdaterad: 2017-12-11Bibliografiskt granskad

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