Causes of soil erosion (%)a | Weyna Dega | Dega | Wurch | Overall |
---|---|---|---|---|
(N = 76) | (N = 194) | (N = 114) | (N = 384) | |
1. Erosive rains | 79 | 89 | 77 | 82 |
2. Soils being erodible | 17 | 13 | 19 | 16 |
3. Topography of the area | 99 | 75 | 94 | 89 |
4. Decline in vegetation cover | 100 | 100 | 100 | 100 |
5. Damaged conservation structures | 89 | 77 | 73 | 80 |
6. Cultivation on steep slopes | 30 | 23 | 34 | 29 |
7. Runoff from roadside drainage and culverts | 5 | 35 | 23 | 21 |
8. Over grazing and impacts of cattle tracks | 33 | 21 | 23 | 26 |