New records, threats and conservation of Phrynops williamsi (Testudines: Chelidae) in southern Brazil

Tobias Saraiva Kunz, Ivo Rohling Ghizoni-Jr., Jorge José Cherem, Raissa Fries Bressan, Simone Baratto Leonardi, Juliana Conte Zanotelli

Abstract


We present new records of Phrynops williamsiin southern Brazil and field observations that point to at least three threats to the species in the Upper Uruguay River Basin.  Our report provides for the first time direct observation of death and injuries as a consequence of falls from dams and walls of hydroelectric plants shortly after the reservoir formation, apparently as an attempt to abandon the artificial lakes and corroborates the species’ dependence on lotic environments, justifying the increasing concern with its conservation in southern Brazil.

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