猫出笼了:印度西孟加拉邦南部保护区外的沿海和恒河平原需要重点保护渔猫

IF 2.2 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Journal for Nature Conservation Pub Date : 2024-10-23 DOI:10.1016/j.jnc.2024.126754
Samrat Chakraborty , Tanoy Mukherjee , Supratim Dutta , Souvik Barik , Subhendu Mazumdar , Paromit Chatterjee , Goutam Kumar Saha
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引用次数: 0

摘要

西孟加拉邦是该国渔猫的最后据点。虽然渔猫被认为是一种脆弱的湿地物种,但很少有人对其分布模式、栖息地或生态进行研究。我们的研究在西孟加拉邦南部面积超过 67,000 平方公里的多个城市和农村湿地地区使用相机陷阱来确定它们的存在。在 38 个潜在栖息地中,有 24 个地区发现了这些猫科动物的踪迹,它们分布在西孟加拉邦南部的 8 个县。我们利用存在与缺失数据拟合了一个集合模型,以划定西孟加拉邦南部适合该物种的栖息地。结果表明,海拔低于 30 米、年降水量充足、水文循环健康的恒河平原下游地区最适合渔猫栖息。在该州,由于报复和路杀造成的物种高死亡率是众所周知的事实。因此,我们还为西孟加拉邦南部的该物种划定了保护优先区域,建议有关当局重点保护西孟加拉邦南部的农田(51.02%)、湿地(21.22%)、植被覆盖(18.6%)以及城市片区的热门旅游景点,以拯救剩余的栖息地。因此,我们进一步确定了西孟加拉邦南部适宜栖息地内州级和国家级公路上的潜在路杀区。
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Cat out of the bag: Coastal and Gangetic plains outside protected areas require focus for fishing cat conservation in southern West Bengal, India
State of West Bengal is the last stronghold for fishing cats in the country. Although Fishing cats has been mentioned as a vulnerable wetland species, few works have been conducted on their distribution pattern, habitat or ecology. Our study uses camera traps in various urban and rural wetland areas of southern West Bengal spanning more than 67,000 km2 to identify their presence. Out of 38 potential habitats, 24 regions came up with evidence of these cats spanning through the eight districts of southern West Bengal. We used presence absence data to fit an ensemble model to delineate suitable habitat for the species in the southern West Bengal. Results indicated areas less than 30 m of elevation and enough annual precipitation that functions healthy hydrological cycle in the areas of lower Gangetic plains to be most suitable for fishing cats. High mortality of the species due to retaliation and roadkill is a known fact for the species in the state. Hence, we also demarcated conservation priority zones for the species in the southern West Bengal which suggested agricultural lands (51.02 %), wetlands (21.22 %), vegetation cover (18.6 %) with populistic tourism spots in urban patches of southern West Bengal need to have focus from the concerned authority to save the remaining habitats. Accordingly, we further identified potential roadkill zones over state and national highways within the suitable habitat of the southern West Bengal.
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来源期刊
Journal for Nature Conservation
Journal for Nature Conservation 环境科学-生态学
CiteScore
3.70
自引率
5.00%
发文量
151
审稿时长
7.9 weeks
期刊介绍: The Journal for Nature Conservation addresses concepts, methods and techniques for nature conservation. This international and interdisciplinary journal encourages collaboration between scientists and practitioners, including the integration of biodiversity issues with social and economic concepts. Therefore, conceptual, technical and methodological papers, as well as reviews, research papers, and short communications are welcomed from a wide range of disciplines, including theoretical ecology, landscape ecology, restoration ecology, ecological modelling, and others, provided that there is a clear connection and immediate relevance to nature conservation. Manuscripts without any immediate conservation context, such as inventories, distribution modelling, genetic studies, animal behaviour, plant physiology, will not be considered for this journal; though such data may be useful for conservationists and managers in the future, this is outside of the current scope of the journal.
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