STUDY ON THE BIOMASS OF ABOVEGROUND ORGANS AND LAYER STRUCTURE OF DEYEUXIA ANGUSTIFOLIA IN TYPICAL MEADOW ON SANJIANG PLAIN The Characteristics of Tree Layer Structure of the Rare Plant Community in Houhe Nature Reserve Effects of drought stress on Cyclobalanopsis glauca seedlings under simulating karst environment condition The structure and thermal insulation capability of Mustela sibirica manchurica winter pelage in Heilongjiang Province Study on Original Forest Community in Nanyue of Hunan Province Ⅲ.Lithocarpus henryi Forest The ecological multi-layer structure model of economic forest and its application in hilly areas Ecological benefits of greening and related controlling factors in urban residential areas of Hangzhou: A quantitative analysis.