The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

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pdf 04. Review of chelid and emydid turtle distributions in southern South America with emphasis on extralimital populations and new records for Argentina

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https://doi.org/10.33256/hj29.4.219229

pp. 219-229

Authors: Rocío M. Sánchez, María B. Semeñiuk, María J. Cassano, Leandro Alcalde, Gerardo C. Leynaud & Liliana Moreno

Abstract: There are many cases of animals reported in localities away from natural areas of distribution for the species. With respect to native freshwater turtles of Argentina and bordering countries, several populations (and single specimens) were reported for areas that cast doubts about their origin, due to not only the long distance from other known localities but also the geographical barriers that are in between. The present work provides a review of localities of the native turtle species Hydromedusa tectifera, Phrynops hilarii, Acanthochelys pallidipectoris, A. spixii and Trachemys dorbigni in Argentina, Bolivia, Brasil, Paraguay and Uruguay, and adds new records for some of these species for Argentina. We also employ an analysis to recognise core and extralimital populations, and a methodology based on five criteria that must be taken into account to elucidate if one extralimital turtle record is the result of anthropogenic action or a case of natural occurrence. Finally, we discuss about the origin of extralimital reports of turtles of the mentioned species.

Keywords: freshwater turtles, distribution, Argentina, bordering countries, translocation

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