Sony Lama, S. Shrestha, N. Koju, A. Sherpa, Munmun Tamang
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引用次数: 6
摘要
放牧干扰被认为是小熊猫栖息地丧失的重要归因因素。本研究在尼泊尔东部进行,主要研究了小熊猫的生境偏好和放牧对其的影响。在海拔100 m处共圈定了15个线性样带,评估了小熊猫和牲畜的间接标志。采用随机绘制的58个10 m × 10 m样方,记录了小熊猫的生境偏好、植被丰度、植被层(冠层和灌丛层)盖度和距离水源的距离。采用问卷调查法和关键信息访谈法,评估当地社区对保护威胁和保护小熊猫重要性的认知。采用Jaccard相似指数确定了家畜与小熊猫的空间生境重叠度。研究区最常见的树种是长石、厚叶石桃和隼杜鹃。研究区内51%的小熊猫栖息地均有放牧迹象。畜牧业对群落林内小熊猫的栖息地造成了负面影响。研究结果将扩展现有的关于东喜马拉雅地区小熊猫状况的知识体系。此外,该研究将有助于制定有效的可持续放牧管理法律和战略框架。
Assessment of the Impacts of Livestock Grazing on Endangered Red Panda (Ailurus fulgens) Habitat in Eastern Nepal
Disturbances caused by livestock grazing are considered as a key attributable factor for the habitat loss of red panda. The present study was carried out in Eastern Nepal mainly focusing on the habitat preferences of red panda and impacts of livestock grazing on it. In total, 15 linear transects were delineated at an elevation interval of 100 m assessing indirect signs of red panda and livestock. Habitat preferences of red panda, vegetation abundance, coverage percentage of vegetation layers (canopy and shrub layer) and distance to water source were recorded using randomly plotted 58 quadrats of 10 m × 10 m. Questionnaire survey and Key Informant Interviews were carried out to evaluate the perception of local community on conservation threats and importance of red panda conservation. Jaccard’s similarity index was used to determine the spatial habitat overlap of livestock and red panda. Litsea elongata, Lithocarpus pachyphylla and Rhododendron falconeri were the most common species in the study area. Grazing signs were observed from 51% of red panda habitats in the study area. Livestock herding has induced negative impacts on the habitat of red panda inside the community forests. The study findings will extend the existing body of knowledge regarding the status of red panda in Eastern Himalayas. In addition, this research will help in the formulation of effective legal and strategic framework of sustainable grazing management.