Physio-ecological Study on the Seed Germination and Seeding Growth in Four Legume Tree Species under Elevated CO2 Concentration 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 Effects of simulated nitrogen deposition on growth and photosynthesis of Schima superba, Castanopsis chinensis and Cryptocarya concinna seedlings