UV-B Screening of the Leaves of Five Tree Species Grown under Full Sunlight Effect of Community Structure Regulation on Upper-Layer Broad-Leaved Trees in a Mixed Forest of Planted Korean Pine and Naturally-regenerated Broad-Leaved Trees STUDY ON STAND PRODUCTIVITY AND SOIL FERTILITY UNDER THE MANAGEMENT PATTERN OF PLANTING CHINESE FIR WITH KEEPING BROAD-LEAVED TREES The leaf litter decomposition of four native broad-leaved tree species in South China Correlation between the Growth of Dominant Trees and Surface Soil Physiochemical Properties of Conifer and Broad-Leaved Mixed Forest at Different Succession Stages Effect of Heavy Metal Stress on Physiological and Biochemical Characteristics of Five Evergreen Broad-leaved Trees Ana lysis on So il Physic-chem ica l Properties of Na tura l Forest10 Years after High Inten sity Cutting Influence of the Selective Intensity on Spatial Structure of Mid-subtropical Natural Mixed Stand of Conifer and Broad-leaved Trees CALCULATION AND APPLICATION OF INTERSPECIFIC ASSOCIATION OF BROAD-LEAVED TREES IN THE NORTH FUJIAN