| Ecological Zones | Ecological Zones in 1958 | Ecological Zones in 2010 | Change in time | ||
| Km2 | % from study area | Km2 | % from study area | % from study area | |
| Desert | 175,308 | 13.9 | 314,076 | 24.9 | +11.0% |
| Semi-Desert | 417,297 | 33.0 | 250,196 | 19.8 | −13.2% |
| Woodland Savannah | 556,689 | 44. 0 | 643,184 | 50.9 | +6.8% |
| Mountain Vegetation | 93,014 | 7.4 | 55,944 | 4.4 | −3.0% |
| Wetland (Flooded Region) | 21,092 | 1.7 | 0 | 0 | −1.7% |