New Approach for Evaluation of a Watershed Ecosystem Service for Avoiding Reservoir Sedimentation and Its Economic Value: A Case Study from Ertan Reservoir in Yalong River, China

Table 3

Economic value of avoided reservoir sedimentation of different types of land cover in 2005.

Land cover types	Area percent (%)	Average value in a unit area [×10^4 RMB Yuan/(km^2⋅a)]	Total value (×10^8 RMB Yuan/a)
Farmland	6.0	265.6	202.7
Forestland	37.8	69.4	333.5
Grassland	48.7	38.3	236.3
Build-up	0.1	183.1	3.3
Wasteland	7.4	10.5	10.0
Total	100		785.8