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Anuran’s habitat use drives the functional diversity of nematode parasite communities
Parasitology Research ( IF 1.8 ) Pub Date : 2021-01-06 , DOI: 10.1007/s00436-020-06994-9
Lorena Euclydes , Amanda Caroline Dudczak , Karla Magalhães Campião

Understanding the processes responsible for structuring communities has been a challenge in ecology, and parasite communities are an excellent system to address this issue. The use of different diversity metrics can help us to understand the determinants of the structure of parasite communities, and in this sense, functional diversity indexes make it possible to measure the variability of organism traits in communities. In this study, we investigate how host body size and habitat use influence the functional diversity of nematode parasite infracommunities. We collected and examined 213 individuals of 11 species of anurans in an area of the Brazilian Atlantic Forest, calculated Rao’s quadratic entropy as a measure of functional diversity of parasite infracommunities, and tested if this index was related to host body size and habitat use with an analysis of covariance (ANCOVA). Anuran species varied in body size (from 1.80 to 10.35 cm) and habit use (arboreal, terrestrial, and semiaquatic), and in the functional diversity of parasite infracommunities (Rao’s quadratic entropy ranged from 0 to 0.196). We observed that anurans with larger body size and terrestrial habit showed significantly greater functional diversity of parasites. We conclude that anuran characteristics drive the functional diversity of nematode parasite communities, and highlight the importance of using different diversity metrics to understand the determinants in the host-parasite interaction.



中文翻译:

Anuran的栖息地利用推动了线虫寄生虫群落的功能多样性

了解负责构建社区的过程一直是生态方面的挑战,而寄生虫社区是解决此问题的出色系统。使用不同的多样性指标可以帮助我们理解寄生虫群落结构的决定因素,从这个意义上讲,功能多样性指数使测量群落中生物特征的变异性成为可能。在这项研究中,我们调查了宿主的大小和栖息地的使用如何影响线虫寄生虫次生群落功能多样性。我们在巴西大西洋森林地区收集并检查了11种无脊椎动物的213个人,并计算了Rao的二次熵作为衡量寄生虫次生物功能多样性的指标,并通过协方差分析(ANCOVA)检验了该指数是否与寄主体大小和栖息地使用有关。Anuran物种的体型(从1.80到10.35厘米)和习惯使用(树栖,陆生和半水生)以及寄生虫次生群落的功能多样性(Rao二次熵在0到0.196之间)各不相同。我们观察到,具有较大体型和陆生习性的无核动物显示出更大的寄生虫功能多样性。我们得出的结论是,无核生物特征驱动线虫寄生虫群落的功能多样性,并强调了使用不同的多样性指标来了解宿主-寄生虫相互作用中决定因素的重要性。以及寄生虫次生物的功能多样性(Rao的二次熵范围从0到0.196)。我们观察到,具有较大体型和陆生习性的无核动物显示出更大的寄生虫功能多样性。我们得出的结论是,无核生物特征驱动线虫寄生虫群落的功能多样性,并强调了使用不同的多样性指标来了解宿主-寄生虫相互作用中决定因素的重要性。以及寄生虫次生物的功能多样性(Rao的二次熵范围从0到0.196)。我们观察到,具有较大体型和陆生习性的无核动物显示出更大的寄生虫功能多样性。我们得出的结论是,无核生物特征驱动线虫寄生虫群落的功能多样性,并强调了使用不同的多样性指标来了解宿主-寄生虫相互作用中决定因素的重要性。

更新日期:2021-01-07
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