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Amphibians;elevational gradient;extinction;montane forest;Neotropics;threatened species;tropical AndesAndes tropicales;anfibios;especies amenazadas;gradiente altitudinal;extinción;bosque montano;Neotrópicos.
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Batrachochytrium Dendrobatidis And The Collapse Of Anuran Species Richness And Abundance In The Upper Manu National Park, Southeastern Peru, Edgar Lehr, Allessandro Catenazzi, Lily Rodriguez, Vance Vrendeburg
Batrachochytrium Dendrobatidis And The Collapse Of Anuran Species Richness And Abundance In The Upper Manu National Park, Southeastern Peru, Edgar Lehr, Allessandro Catenazzi, Lily Rodriguez, Vance Vrendeburg
Edgar Lehr
Amphibians are declining worldwide, but these declines have been particularly dramatic in tropical mountains, where high endemism and vulnerability to an introduced fungal pathogen, Batrachochytrium dendrobatidis (Bd), is associated with amphibian extinctions. We surveyed frogs in the Peruvian Andes in montane forests along a steep elevational gradient (1200-3700 m). We used visual encounter surveys to sample stream-dwelling and arboreal species and leaf-litter plots to sample terrestrial-breeding species. We compared species richness and abundance among the wet seasons of 1999, 2008, and 2009. Despite similar sampling effort among years, the number of species (46 in 1999) declined by 47% between 1999 …