Abstract:y means of the Analysis of Hierchy Process(AHP), this paper looked reeds and grassesas a paire of comparing plants to evaluate the intergrated effects of several agroforestry e-cosystems on the river beach. The main results were given as follows : 1. The agroforestry e-cosystem on the river beach had significant effect to grasses and reed,no matter whether theywere one year or perennial year artificial forest.2. Intercropping was a effective method toraise the effects of the artificial forest on the river ...