在巴西潘塔纳尔，养牛是否会影响美洲虎(Panthera onca)和美洲狮(puma concolor)的活动模式?

IF 0.8 4区环境科学与生态学 Q4 BIODIVERSITY CONSERVATION

Revista Mexicana de Biodiversidad Pub Date : 2022-12-07 DOI:10.22201/ib.20078706e.2022.93.4078

Diego P. Viana, Letícia Larcher, Ângelo P. C. Rabelo, R. Hoogesteijn, F. Tortato, G. Porfirio

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引用次数: 0

摘要

为了更好地了解它们在这些景观中的活动模式，我们在巴西潘塔纳尔的一个马赛克保护区(AMR)和一个养牛场(CR)中对美洲豹和美洲狮的活动模式进行了比较研究。我们假设，在养牛场内，美洲虎和美洲狮的活动模式偏向于夜间，而在保护区内则不然。我们利用非参数核密度方法分析了相机陷阱的数据，探讨了两个地点这些物种之间种间和种内的时间关系。研究结果表明，美洲豹和美洲狮的活动模式存在差异，美洲豹和美洲狮的活动模式均为夜间活动，而美洲豹和美洲狮的活动模式在美洲豹和美洲狮的活动模式中存在中度至高度重叠，与我们的假设相一致。总的来说，我们的数据表明，养牛场与美洲虎和美洲狮的存在并不矛盾，但确实塑造了它们的活动模式。

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Does cattle ranching drive activity patterns of jaguar (Panthera onca) and puma (Puma concolor) in the Brazilian Pantanal?

We conducted a comparative study of jaguar and puma activity patterns within a mosaic of protected areas (AMR) and on a cattle ranch (CR) in Pantanal, Brazil, to better understand their activity patterns in these landscapes. We hypothesized that the activity patterns of the jaguar and puma would be biased to the nocturnal period within the cattle ranch but not in the protected areas. We used data from camera traps analyzed through a non-parametric kernel density approach to explore interspecific and intraspecific temporal relationships between these species at both sites. We obtained 71 jaguar and 29 puma independent records at AMR, and 85 jaguar and 26 puma independent records at CR. Activity patterns of jaguars and pumas differed between sites, both being cathemeral in AMR, but nocturnal at CR with moderate to high overlaps, concordant with our hypothesis. Overall, our data suggest that the cattle ranching is not incompatible with the existence of jaguars and pumas but does shape their pattern of activities.

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来源期刊

Revista Mexicana de Biodiversidad 环境科学-生物多样性保护

CiteScore

1.50

自引率

11.10%

发文量

审稿时长

12-24 weeks

期刊介绍： Revista Mexicana de Biodiversidad appears in 4 issues per year and publishes the products of original scientific research regarding biodiversity of the Americas (systematics, biogeography, ecology and evolution), as well as its conservation and management. The journal ensures high standards with a system of external peer review, and is included in the list of excellence of journals of the National Council of Science and Technology (CONACyT, Mexico). It is currently included in ASFA, Biological Abstracts, Biological Sciences, Latindex Periódica, RedALyC, Web of Science (Thomson Reuters), SciELO, SCOPUS, and Zoological Records.