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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


ACOSTA, Rebeca; MESONES, Rosa Vera  and  NUNEZ, Alejandro. Fauna de anuros en la ciudad de Salta, Argentina. Rev. biol. trop [online]. 2005, vol.53, n.3-4, pp.569-575. ISSN 0034-7744.

Anuran fauna from Salta City, Argentina. The loss and transformation of habitat by anthropogenic activities is one of the main causes of biodiversity decrease. Amphibians are declining all over the world and one of the causes of this decline is thought to be habitat reduction. However, there are anuran populations in highly disturbed habitats, like cities. This study presents the ecological baseline needed to understand anuran communities in urban environments, for Salta City, Argentina (ca. 502 000 inhabitants). The sample was stratified by environments defined by infrastructure and geographic location. The species were identified by visual encounter techniques and by auditory transect during the 2002-2003 reproductive period. Three families, seven genera and twelve species were recorded and the species richness decreased from city border to center. Similarity index values among geographic areas was higher East-West (94.7) than South-West (33.3). Bufo arenarum was the only species recorded in all environments. Hyla andina and Odontophrynus americanus had a restricted distribution and are here considered vulnerable. The border effect can explain some distribution pattern in these populations. A map of the potential distribution of recorded species for Salta is provided. Rev. Biol. Trop. 53(3- 4): 569-575. Epub 2005 Oct 3.

Keywords : Inventory; anuran; urban environments; conservation.

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