Fine root production of Pinus massoniana plantation and Castanopsis carlesii plantation at different successional stages in subtropical China Division on Degenerate Successional Stages of Main Grassland Communities for Grazing in the Songnen Plain of China Stoichiometry study of C, N and P in plant and soil at different successional stages of monsoon evergreen broad-leaved forest in Pu′er, Yunnan Province Soil Microbial Biomass Carbon and Nitrogen Concentrations in Four Subtropical Forests in Hilly Region of Central Hunan Province, China A comparison of light environmental characteristics for evergreen broad-leaved forest communities from different successional stages in Tiantong National Forest Park Variation in algal composition among cifferent developmental stages of biological soil crusts in Gurbantunggut Desert Distribution Patterns of Ratio of Root to Soil and Soil Physical Chemical Characteristics at the Different Degraded Successional Stages in an Alpine Meadow