北美土狼的饮食:范围扩张期间的地理和生态模式

IF 4.3 2区 生物学 Q1 ECOLOGY Mammal Review Pub Date : 2022-06-21 DOI:10.1111/mam.12299
Alex J. Jensen, Courtney J. Marneweck, John C. Kilgo, David S. Jachowski
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引用次数: 6

摘要

1.在过去的120年里,土狼的地理范围扩大了40%,这引发了人们对其在新殖民地区的生态影响的质疑。尽管北美当地对郊狼的饮食有着丰富的了解,但我们对不同物种的饮食如何以及为什么会有所不同却知之甚少。2.我们通过调查生态区、郊狼数量、环境条件、顶级捕食者的存在和替代食物与郊狼饮食多样性以及小型哺乳动物、泻湖动物、植被和有蹄类动物的消费之间的关系,首次对郊狼的饮食进行了全方位的元分析。3.利用93项研究的数据,我们使用广义线性混合模型来确定哪些变量最能解释郊狼的饮食模式。4.与其他生态区相比,温带森林中的郊狼通常更具肉食性,这主要是因为有蹄类动物的消费量更大。饮食多样性受哺乳动物消费的负面影响最大;在春季,郊狼的饮食更加多样化,人类足迹更大。小型哺乳动物的消费量、lagomorph和郊狼体型较大时的变化较小。量化清除所需的工作。总之,我们的研究结果强调了地方或区域研究的必要性,以了解郊狼在其生存和准备栖息的不同生态系统中的高度可变的生态影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Coyote diet in North America: geographic and ecological patterns during range expansion

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来源期刊
Mammal Review
Mammal Review 生物-动物学
CiteScore
12.20
自引率
4.10%
发文量
29
审稿时长
>12 weeks
期刊介绍: Mammal Review is the official scientific periodical of the Mammal Society, and covers all aspects of mammalian biology and ecology, including behavioural ecology, biogeography, conservation, ecology, ethology, evolution, genetics, human ecology, management, morphology, and taxonomy. We publish Reviews drawing together information from various sources in the public domain for a new synthesis or analysis of mammalian biology; Predictive Reviews using quantitative models to provide insights into mammalian biology; Perspectives presenting original views on any aspect of mammalian biology; Comments in response to papers published in Mammal Review; and Short Communications describing new findings or methods in mammalian biology.
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