Soil erosion grade Soil erosion grade Micro Mild Moderate Intensive Extreme Severe
1987 area/km2 2562.21 1000.08 1110.72 833.94 1077.85 2069.50
percentage/% 29.61% 11.56% 12.83% 9.64% 12.45% 23.91%
2006 area/km2 4930.45 1002.94 829.68 509.81 555.38 811.11
percentage/% 57.07% 11.61% 9.60% 5.90% 6.43% 9.39%
2016 area/km2 5156.11 982.80 760.44 470.24 525.31 744.08
percentage/% 59.68% 11.38% 8.80% 5.44% 6.08% 8.61%
Sediment yield grade Sediment yield grade Low (0-10 t/ha/a) Low (0-10 t/ha/a) Moderate (10-50 t/ha/a) Moderate (10-50 t/ha/a) High (>50 t/ha/a) High (>50 t/ha/a)
1987 area/km2 4957.94 4957.94 2030.94 2030.94 1664.52 1664.52
percentage/% 57.29% 57.29% 23.47% 23.47% 19.24% 19.24%
2006 area/km2 7001.38 7001.38 1097.54 1097.54 538.82 538.82
percentage/% 81.05% 81.05% 12.72% 12.72% 6.24% 6.24%
2016 area/km2 7276.03 7276.03 962.65 962.65 399.89 399.89
percentage/% 84.23% 84.23% 11.15% 11.15% 4.63% 4.63%