在亚马逊可持续保护区,人为因素不影响雄性或雌性美洲虎栖息地的使用

IF 4 2区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION
Anelise Montanarin , Emiliano Esterci Ramalho , Daniel Gomes da Rocha , Diogo Maia Gräbin , Guilherme Costa Alvarenga , Pedro Aurélio Costa Lima Pequeno , Fabricio Beggiato Baccaro , William Ernest Magnusson
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引用次数: 0

摘要

保护行动应考虑到物种的自然历史和与性别差异有关的行为。然而,大多数研究没有考虑到来自同一个体的观察的非独立性。我们利用连续6年的相机陷阱调查数据,调查了美洲虎(Panthera onca)在varzea季节性洪水森林中的栖息地利用情况。我们使用分层模型来评估与环境因素相关的发生概率的性别差异,同时考虑到个体和空间的自相关。具体来说,我们测试了雄性和雌性美洲虎对栖息地类型和人为影响的反应是否不同。我们的研究结果不支持先前关于性别差异的结论,而是表明,在研究区域,美洲虎是栖息地的通才,在淡水期以相似的概率探索所有环境。显然,人类住区对该地区美洲虎的栖息地使用也几乎没有影响。没有避免住区可能是由于该地区的人为压力水平较低,这增加了对可持续发展保护区有效性的支持。我们的结果与以往研究的差异可能是由于我们考虑了个体差异,也可能与中亚马逊mamirau可持续发展保护区varzea的独特环境特征有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Anthropogenic factors do not affect male or female jaguar habitat use in an Amazonian Sustainable Reserve

Anthropogenic factors do not affect male or female jaguar habitat use in an Amazonian Sustainable Reserve

Conservation actions should account for species natural history and behavior related to differences between sexes. However, most studies have not taken into consideration non-independence of observations from the same individual. We used data from camera-trap surveys undertaken over six consecutive years to investigate habitat use by jaguar (Panthera onca) in varzea seasonally flooded forest. We used hierarchical modeling to assess sex differences in occurrence probability related to environmental factors, while accounting for individual and spatial autocorrelation. Specifically, we tested whether male and female jaguars responded differently to habitat type and anthropogenic influence. Our results do not support previous conclusions related to differences between sexes and indicate that, in the studied area, jaguars are habitat generalists, exploring all environments with similar probability during the low-water season. Human settlements also apparently have little effect on habitat use by jaguars in this area. The lack of avoidance of settlements might be due to the low levels of anthropogenic pressure in the area, which adds support to the effectiveness of sustainable-development reserves. The difference between our results and previous studies may be due to the fact that we took into account individual differences, or may be related to the unique environmental characteristics of the varzea of Mamirauá Sustainable Development Reserve in Central Amazonia.

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来源期刊
Perspectives in Ecology and Conservation
Perspectives in Ecology and Conservation Environmental Science-Nature and Landscape Conservation
CiteScore
7.80
自引率
4.30%
发文量
46
审稿时长
59 days
期刊介绍: Perspectives in Ecology and Conservation (PECON) is a scientific journal devoted to improving theoretical and conceptual aspects of conservation science. It has the main purpose of communicating new research and advances to different actors of society, including researchers, conservationists, practitioners, and policymakers. Perspectives in Ecology and Conservation publishes original papers on biodiversity conservation and restoration, on the main drivers affecting native ecosystems, and on nature’s benefits to people and human wellbeing. This scope includes studies on biodiversity patterns, the effects of habitat loss, fragmentation, biological invasion and climate change on biodiversity, conservation genetics, spatial conservation planning, ecosystem management, ecosystem services, sustainability and resilience of socio-ecological systems, conservation policy, among others.
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