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Pyrodiversity Promotes Avian Diversity Over The Decade Following Forest Fire, Morgan W. Tingley, Viviana Ruiz-Gutierrez, Robert L. Wilkerson, Christine A. Howell, Rodney B. Siegel
Pyrodiversity Promotes Avian Diversity Over The Decade Following Forest Fire, Morgan W. Tingley, Viviana Ruiz-Gutierrez, Robert L. Wilkerson, Christine A. Howell, Rodney B. Siegel
USDA Forest Service / UNL Faculty Publications
An emerging hypothesis in fire ecology is that pyrodiversity increases species diversity.We test whether pyrodiversity—defined as the standard deviation of fire severity—increases avian biodiversity at two spatial scales, and whether and how this relationship may change in the decade following fire. We use a dynamic Bayesian community model applied to a multi-year dataset of bird surveys at 1106 points sampled across 97 fires in montane California. Our results provide strong support for a positive relationship between pyrodiversity and bird diversity. This relationship interacts with time since fire, with pyrodiversity having a greater effect on biodiversity at 10 years post-fire than …