祁连山北麓河流阶地与新构造演化-第四纪研究.PDF

2012, 20 (4): 420–426 Doi: 10.3724/SP.J.1003.2012.07231 Biodiversity Science http: // GIS 1,3* 1 1 2 3 1 (, 100714) 2 (, 100101) 3 (, 100085) : , , , (road-effect zone), , , (Ailuropoda mela- noleuca)3, 1,042 , GIS, 20 m, 100 m, , , 1,000 m, , , ; 500 m1,000 m, , : , , , The quantitative assessing of trail impacts on giant panda activity based on field track points and GIS 1,3* 1 1 2 3 Minghao Gong , Meng Hou , Chen Lin , Yanling Song , Zhiyun Ouyang 1 Academy of Forestry Inventory and Planning, State Forestry Administration, Beijing 100714 2 Institute of Zoology, Chinese Academy of Sciences, Beijing 100101 3 Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085 Abstract: Trails have been shown to have impacts on wildlife, which may include injury, death, habitat hin- drance, and then cause small population or population isolation and increase species extinction risk. Road ef- fect zone was widely used to examine the wildlife responses to roads and trails, but had shortages in quanti- fying the changes of causative factors, and meeting the data requirements for habitat evaluation. In this re-