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基于最大熵生态位元模型预测亚洲象在勐海县的潜在分布区

Prediction of Potential Distribution Area of Elephas maximus in Menghai County Based on MaxEnt Model

    【作者】 王巧燕陈颖时坤

    【Author】 WANG Qiaoyan;CHEN Ying;SHI Kun;Research Institute of Xishuangbanna National Nature Reserve;School of Biological Science,the University of Hong Kong;Wildlife Institute,Beijing Forestry University;

    【通讯作者】 陈颖;

    【机构】 西双版纳国家级自然保护区科学研究所香港大学生物科学学院北京林业大学野生动物研究所

    【摘要】 亚洲象到农地觅食而踩踏、取食庄稼以及伤人事件频繁发生,缓解人象冲突迫在眉睫。结合亚洲象分布数据和地形地貌、土地利用、人为活动三大类环境变量,构建最大熵生态位元模型,综合分析影响亚洲象分布的环境因子,直观和定量地预测亚洲象在勐海县的潜在分布区和适生指数。研究结果显示,勐海县东北部的勐往乡和西部的勐满镇、打洛镇和南部的布朗山乡拥有较大面积的亚洲象适宜栖息地,海拔为主要限制因子,距河流的距离次之。认为可将潜在分布区与人为活动用地重叠度高的区域作为防范亚洲象肇事的重点区域。

    【Abstract】 The alleviation of human-elephant conflict was urgent due to the frequent incidents of Elephas maximus trampling farmland,foraging for crops and attacking people.Based on the collected data of elephant distribution and the three environmental variables of topography,land use and human activity,the MaxEnt model was built to analyzed environmental factors influencing probabilities of elephant distribution and predicted suitability index and potential distribution zone of elephants intuitively and quantitatively.The results showed that Mengwang Township,Mengman Town and Daluo Town and Bulangshan Township in Menghai County occupied large area of suitable habitats and the elevation was the dominant factor,followed by distance to river.It was suggested that the potential distribution area and the area with high overlapping degree of human activity land could be the key to prevent the Asian elephants from causing trouble.

    • 【文献出处】 林业调查规划 ,Forest Inventory and Planning , 编辑部邮箱 ,2018年05期
    • 【分类号】Q958
    • 【被引频次】2
    • 【下载频次】156
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