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Deep divergences within liolaemus nigroviridis (squamata, liolaemidae) lineages associated with sky islands in central Chile

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Autor dc.contributor.author Cianferoni F.
Autor dc.contributor.author Yanez R.P.
Autor dc.contributor.author Palma R.E.
Autor dc.contributor.author Garin C.F.
Autor dc.contributor.author Torres-Perez F.
Fecha Ingreso dc.date.accessioned 2014-04-05T00:16:39Z
Fecha Disponible dc.date.available 2014-04-05T00:16:39Z
Fecha en Repositorio dc.date.issued 2014-04-04
dc.identifier 10.11646/zootaxa.3619.1.3
dc.description.abstract Evolution of montane species may be strongly influenced by climate oscillations, particularly species distributed in isolated high-elevation areas (sky islands). Chilean topography is exemplified by montane environments including the Andes and Coastal Mountains. To test hypotheses related to genetic divergence associated with sky islands, we explored population genetics and phylogenetic signatures in the montane lizard Liolaemus nigroviridis Müller and Hellmich 1932. We sequenced the mitochondrial cytochrome b for samples collected from six montane areas in central Chile. We found high genetic divergence among populations, congruent with well-supported clades from phylogeny reconstructions. The most recent common ancestor of all samples of L. nigroviridis was dated around the limit of Pliocene-Pleistocene (2.7 Mya), congruent with early vicariance of Andean and coastal populations. Deep lineage divergences suggest that allopatric populations accumulated high nucleotide differences and maintained long periods without gene exchange. We discuss potential taxonomic revisions considering relative genetic divergence. Copyright © 2013 Magnolia Press. en_US
dc.source Zootaxa
Link Descarga dc.source.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-84878712667&partnerID=40&md5=b8e3ae853e7a915888c0ffb29fea7fc1
Title dc.title Deep divergences within liolaemus nigroviridis (squamata, liolaemidae) lineages associated with sky islands in central Chile en_US
Tipo dc.type Article
dc.description.keywords Liolaeminae; Liolaemus nigroviridis; Mya; Sauria; Squamata en_US


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