STUDY ON POPULATION DIAMETER STRUCTURES OF TREE AND SHRUB DOMINANT PLANTS IN QUERCUS LIAOTUNGENSIS FOREST IN DONGLING MOUNTAIN IN BEIJING Studies on Dynamics of Diameter Structure of Chinese Fir Plantations and Affection of Density on It Affection Factors for Predicting Stand Diameter Structure of Chinese Fir Plantations APPROACH TO THEORETICAL GROWTH EQUATIONS FOR MODELLING STANDS DIAMETER STRUCTURE OF CHINESE FIR PLANTATIONS Population Structure and Dynamics of the Endangered Plant Emmenopterys henryi Quantifying and Predicting Stand Diameter Structure with the Logistic Distribution STRUCTURAL DYNAMICS OF BAMBOO FOREST STANDS Population Characteristics of Wild Litchi Resources in Wanning,Hainan Province Applying Nonparametric Kernel Method to Probe the Diameter Structure of Natural Forest Research on the Structure of Paulownia elongata Stand Study on stand Diameter Structure Model Review on the Modeling and Prediction of Stand Diameter Structure Study on the Composition and Productivity of the Secondary Castanopsis carlesii Forest in Jiangxi