| NDVI 分级 | 不同坡度下NDVI面积比例 | |||||
| 0˚~5˚ | 5˚~8˚ | 8˚~15˚ | 15˚~25˚ | 25˚~35˚ | >35˚ | |
| <0.2 | 6.05% | 2.95% | 1.86% | 0.71% | 0.20% | 0.20% |
| 0.2~0.4 | 16.12% | 3.08% | 1.41% | 0.49% | 0.18% | 0.18% |
| 0.4~0.6 | 23.40% | 6.99% | 3.73% | 1.71% | 0.76% | 0.76% |
| 0.6~0.8 | 47.18% | 53.76% | 45.11% | 32.84% | 20.86% | 20.86% |
| 0.8~1.0 | 7.25% | 33.22% | 47.88% | 64.24% | 78.00% | 78.00% |