Pan‐amphibia distribution of the fungal parasite Batrachochytrium dendrobatidis varies with species and temperature

作者：Daniel A. Grear, Michael J. Adams, Adam R. Backlin, William J. Barichivich, Adrianne B. Brand, Gary M. Bucciarelli, Daniel L. Calhoun, Tara Chestnut, Jon M. Davenport, Andrew E. Dietrich, Graziella V. DiRenzo, Robert N. Fisher, Brad M. Glorioso, Evan H. Campbell Grant, Brian J. Halstead, Marc P. Hayes, Blake R. Hossack, Morgan P. Kain, Patrick M. Kleeman, Jeffrey M. Lorch, Brome McCreary, David A. Miller, Brittany A. Mosher, Erin Muths, Christopher A. Pearl, Charles W. Robinson, Mark Roth, Jennifer C. Rowe, Walt Sadinski, Brent H. Sigafus, Iga Stasiak, Samuel S. Sweet, J. Hardin Waddle, Susan C. Walls, Gregory J. Watkins‐Colwell, Lori A. Williams, Megan E. Winzeler · 发表于：Ecological Monographs · 年份：2025 · DOI：10.1002/ecm.70001 · 被引用次数：6 · 研究领域：Insect and Arachnid Ecology and Behavior、Amphibian and Reptile Biology、Species Distribution and Climate Change

Abstract Batrachochytrium dendrobatidis (Bd) is a globally distributed fungal pathogen of amphibians that has contributed to one of the largest disease‐related biodiversity losses in wildlife. Bd is regularly viewed through the lens of a global wildlife epizootic because the spread of highly virulent genetic lineages has resulted in well‐documented declines and extinctions of multiple amphibian species. However, the current state of Bd occurrence, host range, host impacts, and ecological drivers remains poorly understood outside of the most negatively affected amphibian species and regions. Our objective was to describe the macroecology of Bd occurrence and infection intensity on caudates (salamanders) across the United States and to compare these patterns with better‐studied anurans (frogs and toads). We collected swabs from 11,183 amphibians at 609 sites from 54 species across the United States from 2015 to 2017. We analyzed the prevalence and intensity of Bd infection jointly using a Bayesian hurdle model with covariates of site‐level temperature and precipitation, as well as individual characteristics and species identification. Bd was distributed widely across sites and species sampled across the spatial extent of the conterminous United States. We found that Bd prevalence and intensity were most strongly influenced by temperature in the month preceding sampling and by differences among taxon groups. We estimated that temperature had a strong and nonlinear influence on b...