Table 6 Variation of annual soil erosion rates with LULC types
LULC Class | Area | Estimated annual soil loss | |||
|---|---|---|---|---|---|
ha | % | ton year−1 | Contribution to the total soil loss (%) | t ha−1 year−1 | |
Cultivated | 39,172.8 | 27.5 | 2,209,089.0 | 41.9 | 56.4 |
Agroforestry | 49,188.2 | 34.5 | 952,106.0 | 18.0 | 19.4 |
Bare land | 863.6 | 0.6 | 517,784.3 | 9.8 | 599.6 |
Built-up | 5,637.3 | 4.0 | 41,706.0 | 0.8 | 7.4 |
Forest | 5,745.7 | 4.0 | 150,472.0 | 2.9 | 26.2 |
Grassland | 8,982.4 | 6.3 | 133,821.0 | 2.5 | 14.9 |
Lake | 9,512.5 | 6.7 | 90.6 | 0.0 | 0.0 |
Shrubland | 9,667.7 | 6.8 | 556,327.6 | 10.5 | 57.5 |
Wetland | 4,376.9 | 3.1 | 30.8 | 0.0 | 0.0 |
Woodland | 9,513.9 | 6.7 | 713,773.8 | 13.5 | 75.0 |
Total | 142,661.0 | 100.0 | 5,275,201.1 | 100.0 | 36.98 |