变化趋势分级 | 变化趋势 | NDVI变化趋势面积比例 |
<−0.01 | 显著减少 | 38.0% |
−0.01~−0.005 | 轻度减少 | 37.0% |
−0.005~0.005 | 基本不变 | 20.0% |
0.005~0.01 | 轻度增加 | 1.0% |
>0.01 | 显著增加 | 4.0% |