北京市土地利用生态系统服务价值综合评估研究.pdf

北京大学学报 ( 自然科学版), 第 47 卷 , 第 5 期 , 2011 年 9 月 Acta Scientiarum Naturalium Universitatis Pekinensis, Vol. 47, No. 5 (Sept. 2011) Comprehensive Evaluation of Land Use Ecosystem Service Value in Beijing TANG Xiumei1,2,3, CHEN Baiming1,†, LU Qingbin4 1. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences ，Beijing 100101; 2. Gradate University of Chinese Academy of Sciences ，Beijing 100049; 3. National Engineering Research Center for Information Technology in Agriculture, Beijing 100097; 4. Chinese Research Academy of Environmental Sciences, Beijing 100012; † Corresponding author, E-mail: chenbm@ Abstract A comprehensive evaluation of land use ecosystem service value is brought out. Based on the evaluation, the land classification of ecological function importance is explored. Firstly, the main land use types in Beijing are determined with 9 first types and 15 sub-types, then the basic ecosystem service value of each type is determined. Secondly, the factors including natural, location and humanistic conditions are chosen to evaluate the ecological environment and divide Beijing into 4 ecological zones. Thirdly, the land use ecosystem service value is corrected by the ecological environment indexes of each ecological zone and the land classification of ecological function importance is figured out with the clustering method by their ecosystem service value. In the end, the comprehensive evaluation method is applied to the current land utilization maps of Beijing in 1993, 2001 and 2007, and the distribution maps of ecosystem service value in per unit area and land classification of ecological function importance are obtained, so the changing situation of ecosyste