Table 15 Slopes, land use types and estimated erosion in the northern catchment of Lake Tana
Slopes | Entire catchment ha (%) | Cropland | Plantation forest | Barren land | |||
|---|---|---|---|---|---|---|---|
Cropland cells ha (%) | Extreme erosion cells ha (%) | Plantation forest cells ha (%) | Extreme erosion cells ha (%) | Barren land cells ha (%) | Extreme erosion cells ha (%) | ||
Gentle | 35,030 (12.0) | 15,466 (18.5) | 246 (8.8) | 4446 (10.0) | 308 (4.7) | 6489 (8.0) | 331 (4.5) |
Strong | 157,754 (54.0) | 51,216 (61.1) | 1105 (39.3) | 22,015 (49.3) | 2039 (27.5) | 42,097 (52.1) | 2455 (33.5) |
Moderately steep | 66,533 (22.8) | 9910 (11.8) | 684 (24.4) | 8715 (19.5) | 2440 (32.7) | 23,648 (29.2) | 3010 (41.0) |
Steep | 32,573 (11.1) | 7108 (8.5) | 766 (27.3) | 9389 (21.0) | 2597 (34.8) | 8568 (10.6) | 1535 (20.9) |
Very steep | 328 (0.1) | 64 (0.1) | 7 (0.2) | 83 (0.2) | 21 (0.3) | 71 (0.1) | 8 (0.1) |