Phylogeography of Pseudacris regilla (Anura: Hylidae) in western North America, with a proposal for a new taxonomic rearrangement

Molecular Phylogenetics and Evolution
Ernesto RecueroMario García-París

Abstract

The Baja California populations of Pseudacris regilla, a widespread species in Western North America ranging from British Columbia to southern Baja California, are characterized by extensive geographic fragmentation. We performed phylogeographic and historical demographic analyses on 609 bp of the cytochrome b mitochondrial gene of 110 individuals representing 28 populations to determine the relative influences of current and historical processes in shaping the present distribution of genetic diversity on the Baja California Peninsula. Haplotypes from this area were nested in a clade with three well-differentiated groups. Two of these groups are from Baja California Sur and another is from California and Baja California. The estimated date for the split of these groups, between 0.9-1 Ma, fits with previously proposed hypotheses of vicariance due to different transpeninsular seaways, although successive population fragmentation and expansion due to climatic oscillations during Pleistocene glaciations cannot be discarded. Historical demographic analyses detected signs of past population expansions, especially in the southernmost group. With respect to populations north of this region, two older clades were identified, one with ha...Continue Reading

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Citations

Jul 9, 2013·The Journal of Parasitology·Elizabeth A Martínez-SalazarGerardo Pérez-Ponce de León
Mar 31, 2009·Molecular Phylogenetics and Evolution·Jiangyong QuXiaoli Wang
Mar 4, 2014·Molecular Phylogenetics and Evolution·Lisa N BarrowEmily Moriarty Lemmon
Jun 21, 2017·Conservation Biology : the Journal of the Society for Conservation Biology·Henri A ThomassenThomas B Smith
Dec 15, 2020·Journal of Evolutionary Biology·Pieter JohnsonJanet Koprivnikar

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