| Land cover | Land use land cover changes | |||||||||
| 1986 | 1990 | 2000 | 2010 | 2020 | ||||||
| Area (Km2) | Coverage (%) | Area (Km2) | Coverage (%) | Area (Km2) | Coverage (%) | Area (Km2) | Coverage (%) | Area (Km2) | Coverage (%) | |
| Dense shrubs | 585 | 2.6 | 724 | 3.2 | 573 | 2.5 | 427 | 1.9 | 602 | 2.6 |
| Bare ground | 7946 | 35.0 | 8791 | 38.7 | 9852 | 43.4 | 8343 | 36.7 | 10,417 | 45.8 |
| Sparse shrubs | 13,810 | 60.8 | 12,691 | 55.8 | 11,743 | 51.7 | 13,065 | 57.5 | 11,127 | 49.0 |
| Grassland | 390 | 1.7 | 525 | 2.3 | 563 | 2.5 | 896 | 3.9 | 585 | 2.6 |
| Total | 22,731 | 100.0 | 22,731 | 100.0 | 22,731 | 100.0 | 22,731 | 100.0 | 22,731 | 100.0 |