Sub-catchment | Category | 1987 Area (Ha) | 1997 Area (Ha) | 2007 Area (Ha) | 2017 Area (Ha) |
Nyangores | Forest | 41,031 (43.7%) | 40,897 (43.8%) | 40,510 (43.6%) | 30,164 (32.3%) |
Grassland | 27,681 (29.5%) | 23,817 (25.5%) | 21,712 (23.3%) | 15,997 (17.1%) | |
Shrub Land | 1014 (1.1%) | 1598 (1.7%) | 1070 (1.2%) | 789 (0.8%) | |
Cropland | 21,835 (23.3%) | 24,572 (26.3%) | 26,983 (29.0%) | 42,690 (45.7%) | |
Bare Land | 2279 (2.4%) | 2455 (2.6%) | 2663 (2.9%) | 3721.6 (4.0%) | |
Built up areas | 47.4 (0.01%) | 65.53 (0.1%) | 80.5 (0.1%) | 105.9 (0.1%) |