Effects of simulated nitrogen deposition on growth and photosynthesis of Schima superba, Castanopsis chinensis and Cryptocarya concinna seedlings Effects of Water Stress on Photochemical Quenching and Non-photochemical Quenching of Chlorophyll a Fluorescence in Four Tree Seedlings Physio-ecological Study on the Seed Germination and Seeding Growth in Four Legume Tree Species under Elevated CO2 Concentration Regeneration in gaps of the middle-mountain moist evergreen broad-leaved forest of Ailao Mountains EFFECTS OF SIMULATED NITROGEN DEPOSITION ON BIOMASS PRODUCTION AND ALLOCATION IN SCHIMA SUPERBA AND CRYPTOCARYA CONCINNA SEEDLINGS IN SUBTROPICAL CHINA Photosynthetic Acclimation to Different Growth Light Environments in Seedlings of Three Tropical Rainforest Syzygium Species COMPOSITION, SPATIAL DISTRIBUTION AND SURVIVAL DURING THE DRY SEASON OF TREE SEEDLINGS IN A TROPICAL FOREST IN XISHUANGBANNA, SW CHINA Physiological and Biochemical Responses of the Seedlings f Four Legume Tree Species to High CO2 Concentration