Water pricing plays a crucial role in water resources management. Water shadow price is an important reference in setting water price. It was said that in practice it is almost impossible to obtain water shadow price by solving a linear programming model. In this paper we use water conservancy...

Identifying critical soil loss-prone areas is necessary to better control soil loss in the Xiangxi watershed, the river basin nearest the Three Gorges Dam. A crucial element of this scheme is the development of a risk assessment model that can identify critical potential soil loss areas for land...