Forest ecosystem,especially forest soil,was disturbed increasingly by Human's management practices,such as fertilization,soil treatment and so on.Soil disturbance of riparian forest will increase the risk of nutrient loss causing eutrophication of river and lakes downstream and affect the role of forest as the riparian buffer zone.This study selected 34 typical plots of bamboo forest,economic forest,pure forest and mix forest within 1 km of the Xitiaoxi river in Taihu basin.Soil samples in different layers ...