Effects of Cutting on the Lamina Tissue Turnover for Perennial Ryegrass Evaluation of forest ecosystem carbon fixation and oxygen release services in Shaanxi Province from 1999 to 2003 THE BIOMASS OF (1-72/58) POPLAR PLANTATION Compararive Studies on Biomass and Productivity of Pinus tabulaeformis Plantations in Different Climatic Zones in Shaanxi Province Studies on Biological Productivity of Artificial Forests of Dahurian Larches Effect of Grazing Pressure and Soil Fertility on Net Pasture Production of Subtropical Mountain Discriminant Analysis of Annual net Production in Alpine Meadow to Meteorological Condition A Note on the Correction of Leaf Net Primary Production Estimated from Leaf Life Expectancy A STUDY ON BIOTICAL PRODUCTIVITY OF ROBINIA PSEUDOACACIA PLANTATION AT LOESS PLATEAU AREA OF NORTH WEIHE RIVER Dynamic Change of Net Production and Mean Net Primary Productivity of China’s Forests STUDIES ON THE BIOMASS OF SONNERATIA CASEOLARIS STAND The Dynamics of Biomass and the Allocation of Energy in Alpine Kobresia Meadow Communities, Haibei Region of Qinghai Province Studies on biomass and net production of Quercus acutidentata forest in Baotianman Nature Reserve BIOMASS AND NET PRODUCTION OF FOREST VEGETATION IN CHINA STUDY ON THE TREE LAYER BIOMASS OF Picea koraiensis ARTIFICIAL FORESTS Biomass and Productivity of Bruguiera gymnorrhiza Stand Bioproductivity of Castanopsis hysrix-Cyclobalanopsis glauca-Machilus pauhoi community in Huitong, Hunan