时空活动的变化可能会减少入侵野猪(Sus scrofa)与本地哺乳动物物种之间的竞争性相互作用

IF 1 4区 生物学 Q3 ZOOLOGY Canadian Journal of Zoology Pub Date : 2023-11-06 DOI:10.1139/cjz-2022-0145
Brendan Carswell, Sean P Boyle, Ryan K. Brook, Floris M van Beest, Eric Vander Wal
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引用次数: 0

摘要

同域物种之间的相互作用影响着个体和物种的生态和行为。入侵物种通常可以通过产生本地物种无法应对的新压力来改变群落动态。这些压力的范围可能取决于入侵物种的生态和生活史。我们使用远程相机陷阱来调查入侵野猪如何改变本地哺乳动物的时空活动模式(Sus scrofa Linnaeus, 1758)。通过分析日常活动模式并实施Cox比例风险模型,我们的研究结果表明:(a)时间分区可能在改善本地哺乳动物与野猪之间的竞争中发挥作用;(b)本地物种可能通过延长野猪返回特定地点的时间来避开野猪。我们提供了一个监测生态变化的例子,当野猪在非传统范围内变得越来越多时,它们可能在生态系统内造成生态变化。
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Variation in spatiotemporal activity may reduce competitive interactions between invasive wild pigs (Sus scrofa) and native mammal species
Interactions between sympatric species influence the ecology and behaviour of individuals and species. Invasive species can often alter community dynamics by generating novel pressures that native species are less able to respond to. The scope of these pressures may depend on the ecology and life history of the invasive species. We used remote camera traps to investigate how native mammals spatiotemporal activity patterns were altered by the presence of invasive wild pig (Sus scrofa Linnaeus, 1758). By analyzing patterns of daily activity and implementing Cox proportional hazard models, our results suggest (a) that temporal partitioning may play a role in ameliorating competition between native mammals and wild pigs and (b) native species may be avoiding wild pigs by prolonging their return times to particular sites. We provide an example for monitoring the ecological changes wild pigs may create within ecosystems as they become more abundant in non-traditional ranges.
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来源期刊
Canadian Journal of Zoology
Canadian Journal of Zoology 生物-动物学
CiteScore
2.40
自引率
0.00%
发文量
82
审稿时长
3 months
期刊介绍: Published since 1929, the Canadian Journal of Zoology is a monthly journal that reports on primary research contributed by respected international scientists in the broad field of zoology, including behaviour, biochemistry and physiology, developmental biology, ecology, genetics, morphology and ultrastructure, parasitology and pathology, and systematics and evolution. It also invites experts to submit review articles on topics of current interest.
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