The objective of this paper is to institute farmers’ own perceptions of the on-and off-farm benefits of agroforestry systems (AFS). Using use value approach, t
Water quality-induced water shortage is emerging as one of the main threats for the growth of the world’s population and economic development, especially for c
In Qinjiagou watershed of Three-Gorge of Yangtze River, 18 indices were selected from canopy layer, litter layer, soil layer and topography to evaluate the soil