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Dynamics of bud flow and bud bank of Phragmites communis population in dry land habitat of alkalinized meadow in the Songnen Plains of China Image analysis method in application of digital image on diagnosing wheat nitrogen status Age Structure and Regeneration Characteristics of Pinus densifolia Forest in the Su Cheng Reserve of the Yuntai Mountains in Jiangsu Province Primary Analyses of Regeneration Communities on the Cutting Blanks of Tropical Mountain Rain Forest on the Jianfengling Ridge’ Hainan Island STUDY ON LIFE TABLE OF DIOSCOREA NIPPONICA POPULATION Analysis on carbon stock distribution patterns of forest ecosystems in Shaanxi Province Responses of radial growth to fire disturbance in alpine pine (Pinus densata) of different age classes in Nang County, Xizang, China Spatial distribution pattern of Picea schrenkiana var. tianshanica population and its relationships with topographic factors in middle part of Tianshan Mountain. Population structure dynamics of Liriodendron chinensis, a case study on a natural population in Maoer Mountain, Guangxi Storm damage in a montane evergreen broadleaved forest of Chebaling National Nature Reserve, South China The Research of KFDA Based on Wilks Λ Criterion for Chinese Wolfberry Image Grading Biological cycling of nutrients in different ages classes of Acacia mangium plantation CHANGES OF SPECIES DIVERSITY OF CHINESE FIR PLANTATION DURING COMMUNITY PROCESS WITH AGE CLASS Nutrient Cycling in Pinus massonina Stands of Different Age Classes Age structure and output regularity of Phragmites australis rhizome buds from populations occurring in heterogeneous meadow habitats in Northeast China Carbon Density and Storage of Acacia mangium Plantation Ecosystem in Nanning, Guangxi Genetic Variation and Differentiation of Larix decidua Populations in Swiss Alps (in English) Accuracy evaluation of land vegetative cover index by RS detection STUDY ON BIOLOGICAL CYCLING OF MICROELEMENTS IN PINUS MASSONIANA PLANTATIONS