Regeneration Dynamics of Young Pinus thunbergii and Its Influencing Factors in the Coastal Protection Forests in Northern Shandong Peninsula Suitable Individual Growth Environment for the Young Trees of Pinus koraiensis under Natural Secondary Forest Research and Development on the Growth Environment of the Young Tree of Pinus koraiensis in Pinus koraiensis-Broadleaved Mixed Forest CULTIVATION TECHNIQUES OF GMELINA ARBOREA A STUDY ON SOIL AND WATER LOSSES IN LARIX KAEMPFERI (LAMB.) CARR. PLANTATION Influence of the Spatial Structure of tress,etc. on the Young Trees of Pinus koraiensis under Natural Secondary Forest Influence of Community Structural Characteristics of Natural Secondary Forest on the Growth of the Young Trees of Pinus koraiensis A Study on the Afforestation Techniques of Kandelia candel Mangrove A Preliminary Study on Growth Regularity of Introduced Taiwania flousiana Young Seedling Natural regeneration of young Excentrodendron hsienmu in karst mountainous region in Southwest Guangxi,China. Recovery and its Quantitative Expression of the Planted Young trees of Pinus koraiensis under Natural Secondary Forest Resistant Physiological Responses of Four Species Young Trees to Sulfur Dioxide Stress TRANSPIRATION RATE OF CONIFEROUS AND BROADLEAF YOUNG TREES AS A FUNCTION OF WATER POTENTIAL OF THEIR LEAVES AND OF ENVIRONMENTAL FACTORS