三江源生态工程实施前后长江源区宏观生态状况变化分析
刘璐璐, 曹巍, 邵全琴

Change of Ecological Condition in the Headwater of the Yangtze River Before and After the Implementation of the Ecological Conservation and Construction Project
LIU Lulu,CAO Wei,SHAO Quanqin
表1 工程实施前后长江源区植被覆盖度变化面积统计表
Tab. 1 The area of vegetation coverage change before and after implementing the ecological project in the headwater of the Yangtze River
植被覆盖度
变化分级/(%)
工程实施前后植被覆盖度变化
面积/km2 面积比重/(%)
明显变差(<-10) 1698.92 1.57
轻微变差(-10~-2) 10 345.53 9.56
基本稳定(-2~2) 18 142.35 16.77
轻微好转(2~10) 50 071.14 46.28
明显好转(>10) 27 937.63 25.82