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Full-Text Articles in Ecology and Evolutionary Biology

Species-Level Correlates Of Susceptibility To The Pathogenic Amphibian Fungus Batrachochytrium Dendrobatidis In The United States, Betsy Bancroft, Barbara Han, Catherine Searle, Lindsay Biga, Deanna Olson, Lee Kats, Joshua Lawler, Andrew Blaustein May 2011

Species-Level Correlates Of Susceptibility To The Pathogenic Amphibian Fungus Batrachochytrium Dendrobatidis In The United States, Betsy Bancroft, Barbara Han, Catherine Searle, Lindsay Biga, Deanna Olson, Lee Kats, Joshua Lawler, Andrew Blaustein

Lee Kats

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 …


Ecogeographical Distribution Of The Herpetofauna Of Indio Mountains Research Station, Hudspeth County, Texas, Ross Owen Couvillon Jan 2011

Ecogeographical Distribution Of The Herpetofauna Of Indio Mountains Research Station, Hudspeth County, Texas, Ross Owen Couvillon

Open Access Theses & Dissertations

Indio Mountain Research Station (IMRS) in Trans-Pecos, Texas is dominated by Chihuahuan Desert scrub vegetation, but a complexity of plant communities exist relating to elevation, slope, and geologic formations. Surrounding the Indio Mountains are desert grasslands with various desert scrub associations. This mosaic of habitats forms a unique assemblage of amphibians and reptiles. The goal of this study was to determine if the current number of amphibians, turtles, lizards, and snakes (43 species) of IMRS was accurate and identify which biotic and abiotic factors define the distribution of these species. Records from the last approximately 25 years were used to …