In this paper, the ecological benefits of Soil and Water Conservation Forests planted with Chinese pine (Pinus tabulaeformis) were assessed for 101 plots in Western Liaoning Province by using the comprehensive-index assessment method. The comprehensive-index assessment method is an indirect but effective method used for estimation, especially when the main functional indices are difficult to measure. In order to use this method, a system of estimation indices assessing the ecological benefits of forests was...