Pathogenic fungus contributes to amphibian losses in the pacific northwest

摘要: Abstract Worldwide declines in amphibian populations have been the subject of numerous recent reports, and hypotheses constructed to address causes. There is no evidence for a single cause declines. We identify describe spread pathogenic fungus that appears be largely responsible egg mortality one population western toad Bufo boreas. This first study documenting contemporary an with identification attributed species. The we circumglobally distributed suggest this fungal infection could also major contributor other