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Cuadernos de herpetología

versión On-line ISSN 1852-5768


CORBALAN, Valeria; DEBANDI, Guillermo  y  MARTINEZ, Flavio. Alsodes pehuenche (Anura: Cycloramphidae): Past, present and future. Cuad. herpetol. [online]. 2010, vol.24, n.1, pp.17-23. ISSN 1852-5768.

Alsodes pehuenche is an endemic species of the Pehuenche Valley in the Central Andes of Argentina, on the border with Chile. Its biology is poorly known, and in consequence, has been categorized as Data Deficient by IUCN. In this contribution, we give new data on the species, and describe the threats it is facing. The paving of national route 145 modified the courses of the streams inhabited by A. pehuenche, producing habitat alteration and mortality of nearly 25% of the population. For the first time, A. pehuenche is cited for Chile, expanding its known geographical distribution area that reaches 9 km2. In the future, contaminant particles from vehicle traffic could arrive in the streams modifying water quality. Alteration of watercourses and contamination, as well as other important threats like domestic livestock, natural flooding events and climate change, could severely affect survival of the species, especially taking into account their aquatic habits and their peculiar life cycle with a metamorphic period that lasts many years. Conservation actions are in progress, but success is not yet guaranteed. A partnership between researchers and government is essential for success. We believe that information about P. pehuenche is now enough to make a category change from Data Deficient to Critically Endangered.

Palabras clave : Conservation; Pehuenche's frog; Threats; Critically Endangered.

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