Canopy Leaching of the Subtropical Mixed Forest Under Acid Rain in Hunan Province Effect of simulated acid deposition on chemistry of surface runoff in monsoon evergreen broad-leaved forest in Dinghushan Dissolved organic carbon in soil solution of paludalfs udalfs in Mt. Lushan forest under impact of acid deposition Sulfate in liquid phase of forest ecosystem and its dynamics in Mt.Lushan under acid deposition EFFECTS OF ACID DEPOSITION ON TREES AND SHRUBS IN LIUZHOU EFFECT OF ALUMINUM TOXICITY ON FORESTS UNDER ACID DEPOSITION Leaching of Base Cations (Ca2+,Mg2+,K+) from Forest Canopy during Acid Rain