文献类型：期刊文献

英文题名：Effects of road network on Asian elephant habitat and connectivity between the nature reserves in Xishuangbanna, Southwest China

作者：Liu, Shiliang[1] Dong, Yuhong[2] Cheng, Fangyan[1] Zhang, Yueqiu[1] Hou, Xiaoyun[1] Dong, Shikui[1] Coxixo, Ana[1]

第一作者：Liu, Shiliang

通信作者：Liu, SL[1]

机构：[1]Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing, Peoples R China;[2]Chinese Acad Forestry, Res Inst Forestry, Beijing, Peoples R China

年份：2017

卷号：38

起止页码：11-20

外文期刊名：JOURNAL FOR NATURE CONSERVATION

收录：;Scopus(收录号：2-s2.0-85019773636);WOS:【SSCI(收录号:WOS:000406934500003)，SCI-EXPANDED(收录号:WOS:000406934500003)】；

基金：This research was sponsored by National Key Research and Development Project (No. 2016YFC0502103) and National Natural Sciences Foundation of China (No. 41571173).

语种：英文

外文关键词：Corridor; Habitat suitability; Least-cost model; Landscape connectivity

摘要：Evaluating road effects on the ecological status and landscape connectivity is critical for animal corridor design. Taking the fragmented nature reserves in Xishuangbanna as a case, road impacts on Asian elephant habitats were determined based on a suitability analysis. Potential corridors between different sub reserves were located using "least-cost" method as a systematic way incorporating remote sensing (RS) and geographic information system (GIS). Our results revealed that road networks, especially high-level roads (expressway, national road and city-county city road), had the largest effects on the suitability according to the sensitivity analysis. Suitability ( > 40) area will increase about 40% if there were no high-level roads. In total, seven potential linkages were located and found to be capable of connecting the habitats of the four sub-reserves. We suggested the Menglun reserve could serve as a stepping-stone for elephant migration. Four further conservation priorities were also identified between the Menglun reserve and the Mengla reserve where the road impacts were intensive. Our study provided information for the development of an efficient reserve network for elephant conservation between existing nature reserves in China and neighboring provinces in Lao PDR. (C) 2017 Elsevier GmbH. All rights reserved.