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diversity of mtdna in southern river otter (lontra provocax) from argentinean patagonia.lontra provocax is an endemic species from patagonia that has been categorized as "endangered" by the international union for conservation of nature. in this study, noninvasive molecular methods were used to investigate the genetic diversity and haplotype distribution of l. provocax in argentinean patagonia. we analyzed 150 scat samples collected from 1995 to 2006 and obtained 13 sequences of control region with 1 haplotype and 34 sequences of cytochrome b with 4 haplotypes. the population of th ...200818310615
phylogeography of the patagonian otter lontra provocax: adaptive divergence to marine habitat or signature of southern glacial refugia?a number of studies have described the extension of ice cover in western patagonia during the last glacial maximum, providing evidence of a complete cover of terrestrial habitat from 41°s to 56°s and two main refugia, one in south-eastern tierra del fuego and the other north of the chiloé island. however, recent evidence of high genetic diversity in patagonian river species suggests the existence of aquatic refugia in this region. here, we further test this hypothesis based on phylogeographic in ...201121356052
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