The phylogeography of the sable, which is a commercially valuable species, is extremely complicated and poorly investigated. Specifically, the effects of factors such as the range dynamics of the sable during the Pleistocene Epoch, the localization of glacial refugia, species distribution pattern in Holocene, and recent dramatic population decline, along with massive reacclimatization measures, on the species phylogeography remain unclear. Based on the sequence analysis of the control region of mitochondrial DNA from sables that inhabit different parts of the species range, a suggestion was made of the considerably high Pleistocene genetic diversity in sable, which was subsequently lost. The initial diversity of mitochondrial lineages is mostly preserved in the Urals, while in the eastern part of the range, it seems to have been depleted as early as before the last glacial maximum. On the other hand, the even greater depletion of the mitochondrial lineages observed in some populations of central Siberia can be associated with the dramatic population decline at the turn of the 20th century.
Russian Journal of Genetics – Springer Journals
Published: Feb 16, 2013
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