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Publication Information

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Title: Species-level correlates of susceptibility to the pathogenic amphibian fungus Batrachochytrium dendrobatidis in the United States

Author: Bancroft, Betsy A.; Han, Barbara A.; Searle, Catherine L.; Biga, Lindsay M.; Olson, Deanna H.; Kats, Lee B.; Lawler, Joshua J.; Blaustein, Andrew R.

Date: 2011

Source: Biodiversity and Conservation. 20: 1911-1920

Publication Series: Scientific Journal (JRNL)

Description: Disease is often implicated as a factor in population declines of wildlife and plants. Understanding the characteristics that may predispose a species to infection by a particular pathogen can help direct conservation efforts. Recent declines in amphibian populations world-wide are a major conservation issue and may be caused in part by a fungal pathogen, Batrachochytrium dendrobatidis (Bd). We used Random Forest, a machine learning approach, to identify species-level characteristics that may be related to susceptibility to Bd. Our results suggest that body size at maturity, aspects of egg laying behavior, taxonomic order and family, and reliance on water are good predictors of documented infection for species in the continental United States. These results suggest that, whereas local-scale environmental variables are important to the spread of Bd, species-level characteristics may also influence susceptibility to Bd. The relationships identified in this study suggest future experimental tests, and may target species for conservation efforts.

Keywords: amphibian, Batrachochytrium dendrobatidis, body size, infection, life-history pathogen

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Bancroft, Betsy A.; Han, Barbara A.; Searle, Catherine L.; Biga, Lindsay M.; Olson, Deanna H.; Kats, Lee B.; Lawler, Joshua J.; Blaustein, Andrew R. 2011. Species-level correlates of susceptibility to the pathogenic amphibian fungus Batrachochytrium dendrobatidis in the United States. Biodiversity and Conservation. 20: 1911-1920.

 


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