Influence of hydrological processes on the runoff variation of base cations in Jinyun Mountain Effects of nitrogen fertilization on leaching characteristics of NO3--N and base cations in latosol Leaching of Base Cations (Ca2+,Mg2+,K+) from Forest Canopy during Acid Rain The leaching solution chemistry of a broad_leaved forest red soil under simulated N deposition in Southern China Exchange of Proton and Major Elements in Two-Layer Canopies Under Acid Rain in a Subtropical Evergreen Forest in Central-South China Effects of soil base cation composition on plant distribution and diversity in coastal wetlands of Hangzhou Bay, East China