Arid
DOI10.1016/j.biocon.2021.109391
Chytrid infection dynamics in frog populations from climatically disparate regions
Turner, Anna; Wassens, Skye; Heard, Geoffrey
通讯作者Turner, A (corresponding author), Charles Sturt Univ, Sch Agr Environm & Vet, Albury Wodonga Campus,POB 789, Albury, NSW 2640, Australia.
来源期刊BIOLOGICAL CONSERVATION
ISSN0006-3207
EISSN1873-2917
出版年2021
卷号264
英文摘要Batrachochytrium dendrobatidis (Bd), the causative agent of chytridiomycosis and the leading cause of amphibian declines across the globe, is sensitive to temperature and thought to be restricted to certain climatic regions as a result. This study sought to assess the prevalence and intensity of chytridiomycosis among populations of a widespread frog species, Litoria raniformis, in cool temperate and semi-arid regions. We show that chytrid can infect amphibian populations well beyond its predicted geographic range, although infection prevalence was three times lower and maximum infection intensity was seven times lower in semi-arid sites relative to temperate ones. Strong seasonal patterns for both prevalence and intensity were identified in each region. Consistent environmental drivers were also identified, including water temperature, wetland salinity and pH. This is the first study to report a quadratic effect of pH on chytrid prevalence in the field, as expected from laboratory studies. Empirical data on the distribution and key environmental drivers of chytrid infections is vital to identify environmental refuges from the pathogen, and to guide management to reduce disease impact.
英文关键词Wildlife Climate Conservation Environmental refuge Disease Aquatic
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000719372700006
WOS关键词LITORIA-RANIFORMIS ; BATRACHOCHYTRIUM-DENDROBATIDIS ; AMPHIBIAN PATHOGEN ; DISEASE RISK ; TEMPERATURE ; CHYTRIDIOMYCOSIS ; PREVALENCE ; CONSERVATION ; MORTALITY ; SALINITY
WOS类目Biodiversity Conservation ; Ecology ; Environmental Sciences
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/374099
作者单位[Turner, Anna; Wassens, Skye] Charles Sturt Univ, Sch Agr Environm & Vet, Albury Wodonga Campus,POB 789, Albury, NSW 2640, Australia; [Wassens, Skye; Heard, Geoffrey] Charles Sturt Univ, Inst Land Water & Soc, Albury Wodonga Campus,POB 789, Albury, NSW 2640, Australia
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Turner, Anna,Wassens, Skye,Heard, Geoffrey. Chytrid infection dynamics in frog populations from climatically disparate regions[J],2021,264.
APA Turner, Anna,Wassens, Skye,&Heard, Geoffrey.(2021).Chytrid infection dynamics in frog populations from climatically disparate regions.BIOLOGICAL CONSERVATION,264.
MLA Turner, Anna,et al."Chytrid infection dynamics in frog populations from climatically disparate regions".BIOLOGICAL CONSERVATION 264(2021).
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