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社区保护区:在印度东北部梅加拉亚邦的社区管理土地的镶嵌模式中,它们对哺乳动物保护的意义。

Community Reserves: Their significance for the conservation of mammals in a mosaic of community-managed lands in Meghalaya, Northeast India.

机构信息

Sálim Ali Centre for Ornithology and Natural History, Coimbatore, Tamil Nadu, India.

Forests & Environment Department, Shillong, Meghalaya, India.

出版信息

PLoS One. 2023 Jan 26;18(1):e0280994. doi: 10.1371/journal.pone.0280994. eCollection 2023.

Abstract

Community Reserves (CRs) have been advocated for increasing the protected area coverage in northeast India where the land is primarily owned and managed by local indigenous institutions. To understand the significance of these reserves for the conservation of mammals, we investigated the diversity and abundance of mammals in five CRs in the Khasi Hills of Meghalaya as well as interviewed 75 local villagers to assess the hunting practices and perceptions of the Indigenous Khasis on mammals. We employed 60 camera traps in the CRs and undertook a recce survey (day-time and night-time) for capturing the diversity in the CRs. We used photo-capture rate and encounter rate as indices of relative abundance in the CRs. We used an exact multinomial test to test differences of opinion among the respondents of the five CRs. We found a relatively low abundance of mammals in the CRs, yet they persist. A total of 28 species were detected through camera trapping and recce survey and an additional 12 species were reported by respondents to also occur in the CRs. Among the respondents, it was believed that the decline in mammal populations was largely driven by habitat loss and degradation (82.67%) while only a few believed it was also driven by hunting (5.33%). Respondents also believed that the presence of the reserves and awareness programs taken under them had also led to a reduction in hunting (20%) in their area. Although, some attributed it to a general decline in wildlife populations and forest cover (21.33%). Thus, despite these CRs being small (<2 km2) and isolated, they still harbour mammal species and are important for retaining remnant forest patches in a landscape that is highly fragmented.

摘要

社区保留地(CRs)被提倡用于增加印度东北部的保护区覆盖面积,该地区的土地主要由当地土著机构拥有和管理。为了了解这些保护区对哺乳动物保护的重要性,我们调查了梅加拉亚邦卡西丘陵地区五个 CRs 中的哺乳动物多样性和丰富度,并且采访了 75 名当地村民,以评估土著卡西人的狩猎行为和对哺乳动物的看法。我们在 CRs 中使用了 60 个相机陷阱,并进行了侦察调查(白天和夜间)以捕捉 CRs 中的多样性。我们使用照片捕获率和遭遇率作为 CRs 中相对丰富度的指标。我们使用精确多项检验来检验五个 CRs 的受访者之间的意见差异。我们发现 CRs 中的哺乳动物数量相对较少,但仍有一些存在。通过相机陷阱和侦察调查检测到 28 种物种,另外通过受访者报告还发现了 12 种物种也存在于 CRs 中。在受访者中,人们认为哺乳动物数量的减少主要是由于栖息地的丧失和退化(82.67%),而只有少数人认为这也是由于狩猎(5.33%)所致。受访者还认为,保护区的存在以及在其下采取的宣传计划也导致了其所在地区的狩猎减少(20%)。尽管有些人认为这是由于野生动物数量和森林覆盖的普遍减少(21.33%)所致。因此,尽管这些 CRs 较小(<2 平方公里)且孤立,但它们仍然栖息着哺乳动物物种,并且对于在高度破碎的景观中保留剩余的森林斑块非常重要。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8391/9879402/4e86e304b992/pone.0280994.g001.jpg

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