| Category | θSlope range | Mean NDVI | |
Area Km2 | % | |||
1 | Significant degradation | θ < −0.035 | 5604.8 | 0.8 |
2 | Moderate degradation | −0.035 < θ > −0.025 | 8547.8 | 1.2 |
3 | Mild degradation | −0.025 < θ > −0.015 | 17924.1 | 2.5 |
4 | No change | −0.015 < θ > 0.015 | 613070.8 | 85.6 |
5 | Mild improvement | 0.015 < θ > 0.025 | 36475.3 | 5.1 |
6 | Moderate improvement | 0.025 < θ > 0.035 | 22429.3 | 3.1 |
7 | Significant improvement | θ > 0.03 | 11771.6 | 1.6 |
| Total | 715823.8 | 100 |