Differences between Northern and Southern Female Coyotes

IF 0.5 4区 环境科学与生态学 Q4 BIODIVERSITY CONSERVATION
Alina Gabriela Monroy-Gamboa
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引用次数: 0

Abstract

Abstract. The coyote (Canis latrans) has a wide distribution range, spanning boreal forests from the north of the continent to tropical environments in Central America, showing great adaptation and plasticity. Bergmann's rule states that individuals inhabiting colder climates are larger than those in warmer climates. It is suggested that in carnivore species, litter size is influenced by allometric constraints such as maternal body size. The aim of this study is to analyze the relations using correlation between female coyote mass, latitude, and litter size. Using data compiled from the literature, I carried out statistical analyses to correlate female body size, litter size, and latitude for coyotes across their distribution range. The results indicated a soft significant correlation between female body size and latitude, confirming Bergmann's rule. However, no significant correlation was found between litter size and latitude or between litter size and female body size; litter size in coyotes remains roughly uniform across their distribution range.
南北母土狼的差异
摘要土狼(Canis latrans)分布范围广泛,从北美洲北部的北方森林到中美洲的热带环境,表现出很强的适应性和可塑性。伯格曼法则指出,生活在寒冷气候下的个体比生活在温暖气候下的个体要大。这表明,在食肉动物物种中,产仔数受异速生长的限制,如母体体型的影响。本研究的目的是利用相关性分析雌性土狼的体重、纬度和产仔数之间的关系。利用从文献中收集的数据,我进行了统计分析,将雌性体型、产仔数和土狼分布范围内的纬度联系起来。结果表明,女性体型与纬度之间存在软显著相关,证实了Bergmann规则。但产仔数与纬度、产仔数与雌体大小均无显著相关;土狼的产仔数量在其分布范围内大致保持一致。
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来源期刊
Western North American Naturalist
Western North American Naturalist 环境科学-生态学
CiteScore
0.90
自引率
16.70%
发文量
39
审稿时长
>36 weeks
期刊介绍: The Western North American Naturalist places neither restriction nor preference on manuscripts within the disciplines of the biological sciences. Each issue treats diverse taxa from the perspectives of various disciplines (e.g., ecology, population dynamics, behavior, systematics, anatomy, and physiology).
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