Genetic population structure of sympatric and allopatric populations of Baltic ciscoes (Coregonus albulacomplex,Teleostei, Coregonidae) |
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| Authors: | Thomas Mehner Kirsten Pohlmann Che Elkin Michael T Monaghan Barbara Nitz Jörg Freyhof |
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| Affiliation: | 1.Leibniz-Institute of Freshwater Ecology and Inland Fisheries,Berlin,Germany;2.ETH Zurich, Forest Ecology,Zurich,Switzerland;3.Zoological State Collection,Munich,Germany;4.Institute of Epidemiology, Helmholtz Center Munich,German Research Center for Environmental Health,Munich/Neuherberg,Germany |
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| Abstract: | Background Teleost fishes of the Coregonidae are good model systems for studying postglacial evolution, adaptive radiation and ecological speciation. Of particular interest is whether the repeated occurrence of sympatric species pairs results from in-situ divergence from a single lineage or from multiple invasions of one or more different lineages. Here, we analysed the genetic structure of Baltic ciscoes (Coregonus albula complex), examining 271 individuals from 8 lakes in northern Germany using 1244 polymorphic AFLP loci. Six lakes had only one population of C. albula while the remaining two lakes had C. albula as well as a sympatric species (C. lucinensis or C. fontanae). |
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