Livestock Depredation by Jaguars Associated with Dry-Season Core-Use Areas in a Northeastern Mexico Agrolandscape

IF 0.5 4区 环境科学与生态学 Q4 BIODIVERSITY CONSERVATION
A. Silva-Caballero, L. Bender, O. Rosas-Rosas
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引用次数: 1

Abstract

Abstract. Predation by jaguars (Panthera onca) on livestock can foster human intolerance and drive human–jaguar conflicts. Understanding distributional patterns that characterize depredation can help guide strategies to ameliorate these interactions, which is important because human conflicts are the main threat to the endangered jaguar in Mexico. We used clusters of satellite telemetry locations to evaluate spatial patterns of jaguars and jaguar predation/scavenging sites of livestock and wild ungulates in the Sierra del Abra-Tanchipa Biosphere Reserve (RBSAT) and surrounding agrolandscape of northeastern Mexico, where livestock composed 66% of the biomass of jaguar diets. Distribution of livestock sites was significantly associated with jaguar core areas (i.e., 50% autocorrelated KDEs) during the dry season, while wild ungulate sites were distributed similarly with respect to core areas of jaguars across both dry and wet seasons. It is unknown whether these results reflect increased chance encounters between jaguars and livestock during the dry season due to the presence of limited permanent water sources concentrating livestock (and natural prey), or due to jaguars actively seeking livestock or livestock carcasses during the dry season.
墨西哥东北部农业景观中与旱季核心利用区相关的美洲虎对牲畜的掠夺
摘要美洲虎(Panthera onca)对牲畜的捕食会助长人类的不宽容,并引发人类与美洲虎的冲突。了解掠夺特征的分布模式可以帮助指导改善这些相互作用的策略,这很重要,因为人类冲突是墨西哥濒危美洲虎的主要威胁。在墨西哥东北部亚伯拉山脉-坦奇帕生物圈保护区(RBSAT)及其周围的农业景观中,我们利用卫星遥测位置集群评估了美洲虎的空间格局,以及美洲虎捕食/清除牲畜和野生有蹄动物的地点。在墨西哥东北部,牲畜占美洲虎食物生物量的66%。在旱季,家畜的分布与美洲虎的核心区域显著相关(即50%的自相关kde),而野生有蹄类动物的分布在旱季和雨季都与美洲虎的核心区域相似。目前尚不清楚这些结果是否反映了在旱季美洲虎与牲畜相遇的机会增加,这是由于有限的永久水源集中了牲畜(和自然猎物),还是由于美洲虎在旱季积极寻找牲畜或牲畜尸体。
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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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