在人类占主导地位的地貌中使用大象通道

IF 17.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-07-01 DOI:10.1002/wlb3.01204
L. Tiller, Tatyana Humle, Rajan Amin, Amie Humphries, Dave J. I. Seaman, Noah Sitati, Robert Smith
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引用次数: 0

摘要

栖息地丧失和破碎化是当今野生动物面临的两大威胁。了解野生动物路径在连接资源区方面的作用,是保持景观连通性、减少栖息地丧失的影响以及帮助解决人类与野生动物冲突的关键。在这项研究中,我们利用体征调查和相机诱捕来了解大象在肯尼亚马赛马拉保护区和农业区之间的精细移动。我们使用广义线性模型来确定导致大象频繁使用路径的因素。我们的研究结果表明,大象对路径的使用具有强烈的季节性趋势,高峰期与旱季相吻合。然而,降雨量与路径使用之间没有相关性。路径使用的时间模式表明,在人类干扰较少的时候,大象会在两个区域之间移动,从而采取规避风险的策略。空间分析表明,大象最常使用的路径是靠近农场、盐场和森林以及森林覆盖率较高的路径。我们的模型还显示,路径的使用与大象袭击农作物事件的数量之间存在正相关关系,这突出表明路径在人象冲突中扮演着重要角色。随着栖息地的不断丧失,路径在连接资源方面可能会变得更加重要。然而,路径也可能会促进大象进入农田。这项研究的结果为有计划地开展管理活动提供了机会,以确保连接性并缓解冲突。
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Elephant pathway use in a human‐dominated landscape
Habitat loss and fragmentation are two of the biggest threats facing wildlife today. Understanding the role of wildlife pathways in connecting resource areas is key for maintaining landscape connectivity, reducing the impacts of habitat loss and helping address human–wildlife conflict. In this study, we used sign surveys and camera trapping to understand the fine scale movement of elephants moving between a protected area and agricultural zone in the Masai Mara, Kenya. We used generalised linear models to determine factors driving high frequency of pathway use by elephants. Our results showed strong seasonal trends in pathway use, with peaks coinciding with the dry season. However, no correlations between rainfall and pathway use were found. Temporal patterns of pathway use indicate that elephants use risk avoidance strategies by moving between the two areas at times of low human disturbance. Spatial analysis revealed that the most frequently used pathways were closer to farms, saltlicks and forest and those that had a higher percentage of forest cover. Our models also showed a positive relationship between pathway use and the number of elephant crop raiding incidents, highlighting that pathways can play a role in human–elephant conflict. As habitat loss continues, pathways may become more important for linking resources. However, they are also likely to facilitate movement into farmland. The results from this study provide an opportunity for planned management activities to ensure connectivity and to mitigated conflict.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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