Roads to the Hills: Potential Space Use Patterns of Sloth Bears and Leopards in Semiarid Landscape of Western India

IF 0.8 4区 生物学 Q3 ZOOLOGY
Mammal Study Pub Date : 2023-03-29 DOI:10.3106/ms2022-0046
A. Jangid, Ravi Kumar Sharma, K. Ramesh
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引用次数: 1

Abstract

Abstract. Large carnivores utilize human areas, resulting in frequent conflict with humans. We aimed to identify the factors affecting the habitat use of leopards and sloth bears in human-dominated areas of the proposed Jawai Leopard Community Conservation Reserve, Rajasthan, western India. Within the 1 km2 grid framework, the presence of species was recorded (84 events - leopards and 71- sloth bears) and modeled using the maximum entropy algorithm concerning terrain and land-use pattern-related covariates. Also, we modeled the potential movement areas using the least-cost pathway approach. Outcomes informed that suitable habitats for leopards (126.1 km2; 40.8% of study area) were more widely distributed than sloth bears (103.7 km2; 33.5%). Models suggested that elevated-rugged hillocks were positively related to both species' habitat use, followed by scrub and water resources. Leopards showed more adaptability towards human settlements than sloth bears. Thirty potential movement pathways (between 15 core habitats) for leopards and 19 for sloth bears (between 11 core habitat nodes) were identified; out of these, 45% and 48% of pathways for leopards and sloth bears, respectively, are facing threats by the movement barriers such as railway tracks and human settlements. Conserving highly and moderately centralized pathways can be a better approach for sustainable landscape conservation in parallel.
通往丘陵的道路:印度西部半干旱景观中树懒熊和豹的潜在空间利用模式
摘要大型食肉动物利用人类的区域,导致与人类的频繁冲突。在印度西部拉贾斯坦邦拟建的贾瓦伊豹社区保护区,我们旨在确定影响豹和树懒熊栖息地利用的因素。在1 km2的网格框架内,记录了物种的存在(84种事件-豹子和71种-树懒熊),并使用地形和土地利用模式相关协变量的最大熵算法建模。此外,我们使用最小成本路径方法对潜在运动区域进行建模。结果表明:适宜豹子栖息地面积为126.1 km2;占研究面积的40.8%)比树懒熊分布更广泛(103.7 km2;33.5%)。模型表明,高低不平的丘陵与两种物种的栖息地利用呈正相关,其次是灌木和水资源。与树懒熊相比,豹子对人类住区的适应能力更强。在15个核心栖息地节点之间,确定了豹子和树懒熊的30条潜在运动路径;其中,45%的豹子和48%的树懒熊的路径分别面临着铁路轨道和人类住区等运动障碍的威胁。同时保护高度集中化和适度集中化的路径是可持续景观保护的较好方法。
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来源期刊
Mammal Study
Mammal Study ZOOLOGY-
CiteScore
1.70
自引率
20.00%
发文量
23
审稿时长
>12 weeks
期刊介绍: Mammal Study is the official journal of the Mammal Society of Japan. It publishes original articles, short communications, and reviews on all aspects of mammalogy quarterly, written in English.
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