南水北调中线水源区森林覆盖变化及其影响因子分析
李璐, 史志华, 朱惇, 蔡崇法
Forest changes in the water source area of middle route under the South-to-North Water Diversion Project
LI Lu, SHI Zhi-hua, ZHU Dun, CAI Chong-fa
自然资源学报 . 2009, (6): 1049 -1057 .  DOI: 10.11849/zrzyxb.2009.06.012