Introduction and ecological effects of an exotic mangrove species Sonneratia apetala Principle of Dynamic Economic Analysis Procedure and Its Application in Stand Silviculture Model Research and Development of Teak in China Enriching the Theoretical Basis of Silviculture with the System Sciences The Silviculture of Calophyllum polyanthum (Guttiferae)in China Forest crown density restoration and influencing factors in the burned area of northern Great Xing′an Mountains Pinus caribaea Morelet in China Ⅱ. Silviculture and Future Development RESEARCH AND DEVELOPMENT OF RATTAN IN CHINA