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- Title
Chytridiomycosis-induced mortality in a threatened anuran.
- Authors
Adams, Andrea J.; Pessier, Allan; Cranston, Peggy; Grasso, Robert L.
- Abstract
Effectively planning conservation introductions involves assessing the suitability of both donor and recipient populations, including the landscape of disease risk. Chytridiomycosis, caused by the fungal pathogen Batrachochytrium dendrobatidis (Bd), has caused extensive amphibian declines globally and may hamper reintroduction attempts. To determine Bd dynamics in potential source populations for conservation translocations of the threatened California red-legged frog (Rana draytonii) to Yosemite National Park, we conducted Bd sampling in two populations in the foothills of the Sierra Nevada Mountains, California, U.S.A. At one of two sites, we observed lethally high Bd loads in early post-metamorphic life stages and confirmed one chytridiomycosis-induced mortality, the first such report for this species. These results informed source population site selection for subsequent R. draytonii conservation translocations. Conservation efforts aimed at establishing new populations of R. draytonii in a landscape where Bd is ubiquitous can benefit from an improved understanding of risk through disease monitoring and ex situ infection studies.
- Subjects
SIERRA Nevada (Calif. &; Nev.); YOSEMITE National Park (Calif.); CALIFORNIA; AMPHIBIAN declines; BATRACHOCHYTRIUM dendrobatidis; LANDSCAPES; CHYTRIDIOMYCOSIS; MORTALITY; ANIMAL mortality; RICKETTSIAL diseases
- Publication
PLoS ONE, 2020, Vol 15, Issue 11, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0241119