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Land Use Change Increases Wildlife Parasite Diversity in Anamalai Hills Western Ghats India

机译:印度西高止山脉阿纳马莱山的土地利用变化增加了野生生物的寄生虫多样性

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摘要

Anthropogenic landscape changes such as land use change and habitat fragmentation are known to alter wildlife diversity. Since host and parasite diversities are strongly connected, landscape changes are also likely to change wildlife parasite diversity with implication for wildlife health. However, research linking anthropogenic landscape change and wildlife parasite diversity is limited, especially comparing effects of land use change and habitat fragmentation, which often cooccur but may affect parasite diversity substantially differently. Here, we assessed how anthropogenic land use change (presence of plantation, livestock foraging and human settlement) and habitat fragmentation may change the gastrointestinal parasite diversity of wild mammalian host species (n = 23) in Anamalai hills, India. We found that presence of plantations, and potentially livestock, significantly increased parasite diversity due possibly to spillover of parasites from livestock to wildlife. However, effect of habitat fragmentation on parasite diversity was not significant. Together, our results showed how human activities may increase wildlife parasite diversity within human-dominated landscape and highlighted the complex pattern of parasite diversity distribution as a result of cooccurrence of multiple anthropogenic landscape changes.
机译:人为的景观变化,例如土地利用变化和栖息地破碎化,会改变野生动植物的多样性。由于寄主和寄生虫的多样性紧密相连,景观变化也可能改变野生生物的寄生虫多样性,对野生生物的健康产生影响。但是,将人为景观变化和野生生物寄生虫多样性联系起来的研究是有限的,尤其是比较土地利用变化和栖息地破碎化的影响,这常常同时发生,但对寄生虫多样性的影响可能大不相同。在这里,我们评估了人为的土地利用变化(人工林,牲畜觅食和人类居住的存在)和生境破碎化如何改变印度阿纳马莱丘陵的野生哺乳动物寄主物种(n = 23)的胃肠道寄生虫多样性。我们发现人工林和潜在的牲畜的存在显着增加了寄生虫的多样性,这可能是由于寄生虫从牲畜向野生生物的溢出所致。但是,生境破碎化对寄生虫多样性的影响并不显着。我们的研究结果一起显示了人类活动如何增加人类主导景观内野生动植物的寄生虫多样性,并强调了多种人为景观变化的并发导致的寄生虫多样性分布的复杂模式。

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