Historical biogeography and conservation of the golden-striped salamander (Chioglossa lusitanica) in northwestern Iberia: integrating ecological, phenotypic and phylogeographic data

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Alexandrino, Joao
Teixeira, Jose
Arntzen, Jan W.
Ferrand, Nuno

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The golden-striped salamander (Chioglossa lusitanica) is an endemic species inhabiting stream-side habitats in mountainous areas in the northwestern Iberian Peninsula. This salamandrid is listed in the IUCN Red Data Book as a threatened species. The combination of bioclimatic modeling of the species distribution and multivariate analysis of genetic and phenotypic data strengthens previous hypotheses concerning the historical biogeography of C. lusitanica: the Pleistocene subdivision of the species' range and a process of postglacial recolonization. Discrepancies between bioclimatic modeling predictions and the present-day distribution suggest that the species may still be expanding its range northwards. We propose the identification of two distinct units for the conservation of the species and suggest that this information should be taken into account in defining key areas for conservation in the Iberian Peninsula.



allozymes, Chioglossa lusitanica, ecological modeling, evolutionary significant units, golden-striped salamander, glacial refugia, mitochondrial DNA, phenotypic variation, postglacial range expansion

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Phylogeography of Southern European Refugia. Dordrecht: Springer, p. 189-205, 2007.