Article
Genetic divergence and speciation in lowland and montane peruvian poison frogs.
Molecular phylogenetics and evolution - 1 Oct 2006
Roberts Jennifer L, Brown Jason L, May Rudolf von, Arizabal Wilfredo, Schulte Rainer, Summers Kyle
Abstract excerpt
Amazonia is famous for high biodiversity, and the highlands of the transition zone between the Andes and the lowlands of the Amazon basin show particularly high species diversity. Hypotheses proposed to explain the high levels of diversity in the highlands include repeated parapatric speciation across ecological gradients spanning the transition zone, repeated allopatric speciation across geographic barriers...
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