近30年来长江源头高寒草地生态系统退化的遥感分析
黄麟, 刘纪远, 邵全琴
Alpine Grassland Degradation in the Source Region of Yangtze River in the Past 30 Years
HUANG Lin, LIU Jiyuan, SHAO Quanqin
. 2009, (5): 884 -895 .