Suppr超能文献

利用粪便 DNA 代谢组学深入了解肯尼亚的猎物谱和猎豹对牲畜的捕食。

An insight into the prey spectra and livestock predation by cheetahs in Kenya using faecal DNA metabarcoding.

机构信息

Institute for Applied Ecology, University of Canberra, ACT, 2617, Australia; Kenya Wildlife Trust, P.O. Box 86-00502, Nairobi, Kenya.

Kenya Wildlife Trust, P.O. Box 86-00502, Nairobi, Kenya; Wildlife Conservation Research Unit, Department of Zoology, University of Oxford, Recanati-Kaplan Centre, Tubney, OX13 5QL, United Kingdom.

出版信息

Zoology (Jena). 2020 Dec;143:125853. doi: 10.1016/j.zool.2020.125853. Epub 2020 Oct 11.

Abstract

Dietary composition is a fundamental part of animal ecology and an important component of population dynamics. Therefore, obtaining accurate information on what an animal consumes is important for conservation planning, especially for wild large carnivores that exist in human-dominated landscapes where they are prone to direct conflicts with local people. We used faecal DNA metabarcoding to identify the vertebrate taxa commonly predated on by cheetahs (Acinonyx jubatus) with an emphasis on domestic taxa and determine the drivers of livestock predation by cheetahs residing in the Maasai Mara and Amboseli ecosystems which are important population strongholds in southern Kenya. From 84 cheetah faeces that we analysed, a total of 14 prey taxa were identified, including birds, wild and domestic mammals. The livestock taxa identified in cheetah faeces occurred at moderate frequency (12.8%) and the results showed that livestock predation was influenced neither by the sex of the cheetah nor by season. In general, our study shows that cheetahs prey on a diverse range of prey taxa including birds, wild ungulates of various sizes and occasionally on domestic animals, and that the faecal DNA metabarcoding approach represents a valuable complement to traditional dietary analysis methods.

摘要

饮食组成是动物生态学的一个基本组成部分,也是种群动态的一个重要组成部分。因此,获得动物所食用的确切信息对于保护规划很重要,特别是对于生活在人类主导景观中的野生大型食肉动物,它们很容易与当地居民发生直接冲突。我们使用粪便 DNA 代谢组学来识别猎豹(Acinonyx jubatus)通常捕食的脊椎动物类群,重点是家养类群,并确定生活在马赛马拉和安博塞利生态系统中的猎豹捕食牲畜的驱动因素,这两个生态系统是肯尼亚南部重要的种群据点。在我们分析的 84 份猎豹粪便中,共鉴定出 14 种猎物类群,包括鸟类、野生和家养哺乳动物。在猎豹粪便中发现的牲畜类群出现的频率适中(12.8%),结果表明,猎豹的性别和季节都不会影响其捕食牲畜的行为。总的来说,我们的研究表明,猎豹捕食的猎物种类繁多,包括鸟类、各种大小的野生有蹄类动物,偶尔还会捕食家畜,粪便 DNA 代谢组学方法是传统饮食分析方法的有益补充。

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验