Sub-watershed | Land cover class | 1986 | 1999 | 2011 | Change between 1986 and 1999 | Change between 1999 and 2011 | |||
Area (ha) | Percent | Area (ha) | Percent | Area (ha) | Percent | Area (ha) | area (ha) | ||
Upper Wesha | Woodland | 721.9 | 22.1 | 1417.1 | 43.4 | 2042.3 | 62.5 | 695.2 | 625.2 |
Grass land | 347.6 | 10.7 | 428.4 | 13.1 | 737.0 | 22.6 | 80.7 | 308.6 | |
Forest | 2191.5 | 67.1 | 1365.2 | 41.8 | 438.7 | 13.4 | −826.3 | −926.5 | |
Crop land | 3.7 | 0.1 | 53.1 | 1.6 | 47.5 | 1.5 | 49.4 | −5.6 | |
Bare land | 0.0 | 0.0 | 1.0 | 0.0 | 0.3 | 0.0 | 1.0 | −0.7 | |
Lower Wesha | Woodland | 207.5 | 40.0 | 58.0 | 11.2 | 303.4 | 58.4 | −149.5 | 245.4 |
Grass land | 14.7 | 2.8 | 0.2 | 0.0 | 4.6 | 0.9 | −14.5 | 4.4 | |
Forest | 276.0 | 53.2 | 457.9 | 88.3 | 211.1 | 40.7 | 181.9 | −246.8 | |
Crop land | 20.2 | 3.9 | 2.4 | 0.5 | 0.1 | 0.0 | −17.8 | −2.4 | |
Upper Hallo | Woodland | 899.0 | 29.2 | 1177.5 | 38.3 | 1765.3 | 57.3 | 278.5 | 587.7 |
Grass land | 332.2 | 10.8 | 263.9 | 8.6 | 482.5 | 15.7 | −68.3 | 218.6 | |
Forest | 1824.2 | 59.3 | 1600.9 | 52.0 | 823.4 | 26.7 | −223.3 | −777.5 | |
Crop land | 22.5 | 0.7 | 35.3 | 1.2 | 8.7 | 0.3 | 12.8 | −26.5 | |
Bare land | 0.0 | 0.0 | 0.3 | 0.0 | 0.1 | 0.0 | 0.3 | −0.2 | |
Lower Hallo | Woodland | 145.0 | 50.4 | 97.2 | 33.8 | 233.6 | 80.0 | −47.8 | 136.4 |
Grass land | 11.6 | 4.0 | 1.3 | 0.5 | 9.3 | 3.2 | −10.3 | 8.0 | |
Forest | 105.3 | 36.6 | 166.8 | 58.0 | 46.3 | 15.8 | 61.5 | −120.5 | |
Crop land | 25.8 | 9.0 | 22.3 | 7.8 | 3.1 | 1.1 | −3.4 | −19.3 | |
Upper Wedessa | Woodland | 1118.6 | 22.3 | 1714.6 | 34.1 | 2880.9 | 57.3 | 596.0 | 1166.3 |
Grass land | 333.6 | 6.6 | 213.1 | 4.2 | 360.2 | 7.2 | −120.5 | 147.1 | |
Forest | 3551.0 | 70.7 | 3086.7 | 61.4 | 1782.7 | 35.5 | −464.3 | −1304.0 | |
Crop land | 21.5 | 0.4 | 10.2 | 0.2 | 1.5 | 0.0 | −11.4 | -8.6 | |
Bare land | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | −0.1 | |
Lower Wedessa | Woodland | 957.0 | 42.1 | 748.2 | 32.9 | 1402.9 | 61.8 | −208.8 | 654.7 |
Grass land | 170.8 | 7.5 | 38.7 | 1.7 | 106.1 | 4.7 | −132.1 | 67.4 | |
Forest | 1029.6 | 45.3 | 1282.4 | 56.4 | 743.2 | 32.7 | 252.8 | −539.2 | |
Crop land | 114.4 | 5.0 | 202.5 | 8.9 | 17.6 | 0.8 | 88.1 | −184.9 | |
Bare land | 0.4 | 0.0 | 0.3 | 0.0 | 0.4 | 0.0 | −0.1 | 0.0 |