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Trapped by climate: interglacial refuge and recent population expansion in the endemic Iberian adder Vipera seoanei

Fernando Martínez-Freiría, Guillermo Velo-Antón and José C. Brito. Diversity and Distributions. This study exemplifies how the combination of phylogeographic and ecological niche-based models is a powerful tool for inferring evolutionary scenarios and responses of species to Pleistocene climatic oscillations. Vipera seoanei responded accordingly to a cold temperate model and fits a simplified example of ‘R’ type species where interglacial warming periods during the Pleistocene probably caused major range reductions with persistence in a single refuge in north-western Iberia. The single mtDNA lineage observed in this study does not support the differentiation at subspecific level in V. seoanei. Leer más.

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