期刊
CONSERVATION LETTERS
卷 11, 期 4, 页码 -出版社
WILEY
DOI: 10.1111/conl.12436
关键词
Batrachochytrium salamandrivorans; biosafety; China; pet trade; salamander
资金
- National Key R&D Program of China [2016YFC1200705]
- First Class Discipline Construction Project for Forestry in Yunnan [51600625]
- National Natural Science Foundation of China [31702008, 31401958]
- Fonds Wetenschappelijk Onderzoek [FWO16/PDO/019]
Understanding introduction routes for wildlife pathogens is vital for the development of threat abatement plans. The chytrid fungus Batrachochytrium salamandrivorans (Bsal) has recently emerged in Europe, where it is considered to be a serious threat for urodelan conservation. If the highly diverse Chinese urodelans were to constitute a Bsal reservoir, then the significant international trade in these species may vector Bsal into naive urodelan communities. Here, we analyzed a total of 1,143 samples, representing 36 Chinese salamander species from 51 localities across southern China for the presence of Bsal. We found Bsal was present across a wide taxonomic, geographical, and environmental range. In particular, Bsal DNA was detected in 33 samples from the genera Cynops, Pachytriton, Paramesotriton, Tylototriton, and Andrias, including the heavily traded species Paramesotriton hongkongensis and Cynops orientalis. The true Bsal prevalence across our data set was estimated between 2% and 4%, with a maximum of 50% in a population of P. hongkongensis. Even at this overall relatively low Bsal prevalence, the exportation of millions of animals renders Bsal introduction in naive, importing countries a near certainty, which calls for the urgent implementation of proper biosecurity in the international wildlife trade.
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