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
Figure 3
Spatial distributions of exporting sediment to Ertan reservoir and sediment retention of ecosystem in watershed. (a) The process of flow accumulation. (b) Average exporting sediment to Ertan reservoir of each county in 2005. (c) Sediment retention in 2005. (d) Average sediment retention of each county in 2005.
