减轻自然界中的两栖动物壶菌病。

Mitigating amphibian chytridiomycoses in nature.

作者信息

Garner Trenton W J, Schmidt Benedikt R, Martel An, Pasmans Frank, Muths Erin, Cunningham Andrew A, Weldon Che, Fisher Matthew C, Bosch Jaime

机构信息

Institute of Zoology, Zoological Society of London, Regents Park, NW1 4RY London, UK

Unit for Environmental Research and Management, North-West University, Potchefstroom 2520, South Africa.

出版信息

Philos Trans R Soc Lond B Biol Sci. 2016 Dec 5;371(1709). doi: 10.1098/rstb.2016.0207.

Abstract

Amphibians across the planet face the threat of population decline and extirpation caused by the disease chytridiomycosis. Despite consensus that the fungal pathogens responsible for the disease are conservation issues, strategies to mitigate their impacts in the natural world are, at best, nascent. Reducing risk associated with the movement of amphibians, non-amphibian vectors and other sources of infection remains the first line of defence and a primary objective when mitigating the threat of disease in wildlife. Amphibian-associated chytridiomycete fungi and chytridiomycosis are already widespread, though, and we therefore focus on discussing options for mitigating the threats once disease emergence has occurred in wild amphibian populations. All strategies have shortcomings that need to be overcome before implementation, including stronger efforts towards understanding and addressing ethical and legal considerations. Even if these issues can be dealt with, all currently available approaches, or those under discussion, are unlikely to yield the desired conservation outcome of disease mitigation. The decision process for establishing mitigation strategies requires integrated thinking that assesses disease mitigation options critically and embeds them within more comprehensive strategies for the conservation of amphibian populations, communities and ecosystems.This article is part of the themed issue 'Tackling emerging fungal threats to animal health, food security and ecosystem resilience'.

摘要

全球两栖动物面临着由壶菌病导致的种群数量下降和灭绝的威胁。尽管人们一致认为引发该病的真菌病原体是保护问题,但在自然界中减轻其影响的策略充其量仍处于初期阶段。减少与两栖动物、非两栖动物传播媒介及其他感染源移动相关的风险仍然是减轻野生动物疾病威胁时的首要防线和主要目标。不过,与两栖动物相关的壶菌真菌和壶菌病已经广泛传播,因此我们重点讨论在野生两栖动物种群中疾病出现后减轻威胁的各种选择。所有策略在实施前都有需要克服的缺点,包括在理解和解决伦理及法律考量方面做出更大努力。即便这些问题能够得到解决,所有目前可用的方法或正在讨论的方法,都不太可能产生减轻疾病这一理想的保护成果。制定减轻策略的决策过程需要综合思考,即批判性地评估疾病减轻选项,并将其纳入更全面的两栖动物种群、群落和生态系统保护策略之中。本文是主题为“应对真菌对动物健康、粮食安全及生态系统恢复力的新威胁”特刊的一部分。

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