在一个天真的两动物社区中,虫爆发后,宿主能力的进化生态学
Ana V Longo1, Karen R Lips2, Kelly R Zamudio3
1Department of Biology, University of Florida, Gainesville, FL 32611, USA.
概括
物种特征会影响两动物群体中疾病的传播. 了解这些作用是保护的关键,特别是当重新引入物种以防止疾病扩散时.
科学领域:
- 生态生态学 生态生态学
- 病原体动力学 病原体动力学
- 保护生物学 保护生物学
背景情况:
- 新型病原体可以在多宿主野生动物群落中出现,物种在疾病的维持,传播和放大方面发挥着不同的作用.
- 由于疾病出现事件的不可预测性质,很难描述这些角色.
研究的目的:
- 调查物种特异性属性如何影响暴露,感染概率和病原体强度在热带两动物群体中出现Batrachochytrium dendrobatidis (Bd) 的过程中.
- 确定驱动传播动力学的关键宿主物种,并了解家族遗传史在疾病反应中的作用.
主要方法:
- 对物种特异性属性和Batrachochytrium dendrobatidis (Bd) 感染的现场收集数据的分析.
- 在物种层面评估生态特征,感染流行率和病原体强度.
- 检查家族遗传史及其与疾病反应的关联.
主要成果:
- 与物种减少相关的生态特征与Bd爆发期间的感染流行率和强度有积极联系.
- 关键宿主物种被确定为病原体传播动态的不成比例贡献者.
- 遗传学史影响了疾病反应,共享的生命史特征与增加的病原体暴露相关.
结论:
- 建立了一个框架,以确定驱动动物系统疾病动态的关键物种,帮助保护工作.
- 重新引入超敏感宿主可以放大疾病,阻碍保护计划的成功.
- 了解物种特定的角色对于有效的两动物再引入和社区疾病管理至关重要.
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