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Watershed condition and Soil losses

Watershed condition by physiographic zone (% of Total area)
Zone Excellent Good Fair  Poor Very poor
High Himal
Transition zone
Mid mountains
Siwalicks
Terai		 78
52
14
37
100		 16
42
65
28
0		 4
6
15
33
0		 2
0
6
0
0		 0
0
0
2
0

Source: MPFS (roughly approximates LRMP classification.

 

Estimated annual soil loss for different land uses (t/ha)
Types of land use Soil loss
Well managed forest land
Well managed rice terraces
Poorly managed sloping terraces
Degraded rangelands		 5-10
5-15
20-100
40-200

Source: MPFS (1988/89)

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