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Effect of Thinning on Growth and Timber Outturn in Cunninghamia lanceolata Plantation Dynamics of biomass and stem volume of Picea asperata stands in artificial restoration process of subalpine coniferous forest STUDY ON RELATITE STEM RATIO A NEW METHOD FOR EXPRESSING STEM-FORM Forest biomass and its spatial pattern in Guizhou Province. Estimating Stem Volume Using QuickBird Imagery and Allometric Relationships for Open Populus xiaohei Plantations Aboveground biomass, ANPP and stem volume of birch stands in natural restoration process of subalpine secondary forest in Western Sichuan BIOMASS AND NET PRODUCTION OF FOREST VEGETATION IN CHINA