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Tropical snake diversity collapses after widespread amphibian loss
Science ( IF 41.037 ) Pub Date : 2020-02-14 , DOI: 10.1126/science.aay5733
Elise F. Zipkin, Graziella V. DiRenzo, Julie M. Ray, Sam Rossman, Karen R. Lips

Biodiversity is declining at unprecedented rates worldwide. Yet cascading effects of biodiversity loss on other taxa are largely unknown because baseline data are often unavailable. We document the collapse of a Neotropical snake community after the invasive fungal pathogen Batrachochytrium dendrobatidis caused a chytridiomycosis epizootic leading to the catastrophic loss of amphibians, a food source for snakes. After mass mortality of amphibians, the snake community contained fewer species and was more homogeneous across the study site, with several species in poorer body condition, despite no other systematic changes in the environment. The demise of the snake community after amphibian loss demonstrates the repercussive and often unnoticed consequences of the biodiversity crisis and calls attention to the invisible declines of rare and data-deficient species.
更新日期:2020-02-13

 

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