三江源生态工程实施以来草地恢复态势及现状分析

徐新良, 王靓, 李静, 蔡红艳

Analysis of the Grassland Restoration Trend and Degradation Situation in the “Three-River Headwaters” Region since the Implementation of the Ecological Project

XU Xinliang,WANG Liang,LI Jing,CAI Hongyan

表1 2004-2012年三江源地区各流域草地退化面积统计表（km2）

Tab. 1 Grassland degradation area in each river basin in the “Three-River Headwaters” region during 2004-2014 (km2)

流域名称 退化加剧 退化发生 退化状态不变 轻微好转 明显好转 黄河流域 77.65 13.73 16 771.3 6610.18 2535.73 长江流域 206.75 86.34 30 267.5 8763.27 1987.22 澜沧江流域 11.59 0.00 8243.04 1304.94 104.74 合计 295.99 100.07 55 281.84 16 678.39 4627.69