Zone | Climate | Average annual rainfall (mm) | Moisture index (%) | Landcover | Land use |
IV | Savanna | 600 - 1100 | 40 - 50 | Dry woodland, bushland and grassland | Ranching, pastoralism (cattle, sheep, goats), wheat, barley, sunflower, maize, cotton, cashew nuts, cassava |
V | Semi-arid | 450 - 900 | 25 - 40 | Bushland | Ranching, pastoralism cattle, sheep & goats, sorghum, millet. |
VI | Arid | 300 - 550 | 15 - 25 | Bushland and shrubland | Pastoralism & ranching (sheep & goats), |
VII | Very arid | 150 - 350 | <15 | Desert scrub | Nomadic pastoralism (goats, sheep, donkeys and camels) |