THE SOIL ACIDITY AND NUTRIENT CONTENTS, AND THEIR CHARACTERISTICS OF SEASONAL DYNAMIC CHANGES UNDER 3 DIFFERENT FORESTS OF DINGHUSHAN NATURE RESERVE Studies on the community biomass and its allocations of five forest types in Dinghushan Nature Reserve Photosynthetic characteristics of canopy-dwelling vines in lower subtropical evergreen broadleaved forest and response to environmental factors Dependence of Soil Respiration on Soil Temperature and Soil Moisture in Successional Forests in Southern China Acclimation in Leaf Morphological and Eco-physiological Characteristics of Different Canopy-dwelling Epiphytes in a Lower Subtropical Evergreen Broad-leaved Forest COARSE WOODY DEBRIS BIOMASS AND ITS POTENTIAL CONTRI-BUTION TO THE CARBON CYCLE IN SUCCESSIONAL SUBTROPICAL FORESTS OF SOUTHERN CHINA South China Institute of Botany; Chinese Academy of Sciences; Guangzhou; China