Analyses to Some Characters of Growth and Development for Wheats Under Ecological Conditions in Lasa Characteristic Analysis of Nutrient Contents of Major Tree Species in Northeast China A Study on the Root System of Artificial Chinese-fir Stands on the Repeated Plantation Woodland in Fujian Studies on the Biological Characteristics of Echinochola crusgalli and its Control Methods Biomass and Productivity by Natural Pinus henryi Forests Study on the Absorption and Removal of Kandelia candel for Pollutant Cadmium The Characteristics of Energy in the Formative Process of Net Primary Productivity of Larch Artificial Forest Ecosystem Physiological Ecology Studies on Artemisia ordosica and Cynanchum komarovii in the Maowusu Sandland The Effects of the Partitioning of Rainfall on the Nutrients Leaching Processes in Slash Pinus Artificial Forest The Characteristics of Canopy Photosynthesis of Summer Corn (Zea mays) and its Relation with Canopy Structure and Ecological Conditions The Models on Density Dependence to Natural Suaeda heteroptera Population of Alkalization Meadow in the Songnen Plain of China Study on Dividing the Successional Stages of Forest Communities with Division Method of Optimization Study on Pattern and Successional Trend of Vegetation in Qinghai Lake Region Research on the Use of Point-Centered Quarter Method in Phytoeoenological Investigation on the Experimental Stand of a Tropical Mountane Rain Forest Community Detrended Correspondence Analysis of Koreanpine Broadleaf Mixed Forest in Changbai Mountain Biosphere Reserve Regeneration Study on the Seasonal Rainforest in Xishuangbanna of Yunnan Researches on Litterfall Distributed in Seven Forests at Varied Altitudes, on Ailao Mountain, Yunan A Note on the Correction of Leaf Net Primary Production Estimated from Leaf Life Expectancy Application and Improvement of the Neighborhood Interference Model Research on the Quantitative Analysis of the Natural Grassland Types in Hutubi Cow Breeding Farm Dynamic Population Models of the Ecological Dominance During the Retrogressive Succession of Leymus chinensis Grassland Analyses of Niche Breadths and Overlaps of Several Plant Species in Three Kobresia Communities of an Alpine Meadow Studies on the Interspecific Association of Dominant Species in a Subtropical Catanopsis fargesii Forest of Jinyun Mountain, China Comparative Analysis of Seed Banks in saline-alkali Communities in the Song-Nen Plain of China A Study on the Characteristics of Photosynthesis of Cornin a Shelterbelt Network Ecofield The Application of Non-metric Multidimensional Scaling in Community Classification DCA, CCA and DCCA Ordination Analysis of Salty Meadow Community in Hutubi, Xinjiang Litterfall in the Evergreen Broadleaved Forests Dominated by Cyclobalanopsis glauca in Zhejiang, Se China Storage and Dynamics of Coarse Woody Debris in Castanopsis Eyrei Forest of Wuyi Mountain,with Some Considerations for its Ecological Effects Changes in Photosynthesis and Transpiration of Main Constructive Plants in Ms Us Desert Study on Chinese Climate-Vegetation Relationship Effect of Citric Acid, Glucose and Organic Matter on Plant P Uptake and Soil P Fractionations in a Highly Weathered Ultisol Trace Elements in some Medicinal Plants in Xinlong, Hainan Effects of Rainfall on Nutrient Leaching of Middle-Mountain Moist Evergreen Broadleaved Forest in Yunnan Province On Shade Tolerance of 741 Poplar Studies on the Species Diversity of Quercus liaotungensis Communities in Beijing Mountains Leaf Development Responses of Trifolium repens to Climatic and Non-climatic Factors The Ecological and Physiological Adaptation of Kochia sieversiana and the Characteristics of the Communities Geographic Variation of DBH Growth of Chinese Fir Provenances Study on the Productivity and Ecological Benefits in Mixed Forests of Cunninghamia lanceolata and Alniphyllum fortunei A Physioecological Study on Seed Germination of Mosla hangchowensis The Xeromorphic and Saline Morphic Structure of Leaves and Assimilating Branches in Ten Chenopodiacea Species in Xinjiang The Biocycling of Nutrient Elements in Artificial Trifolium pratense Grassland The Endangering Causes and Preserving Strategies for Cathaya argyrophylla, a Plant Endemic to Effect of Calcium on Muskmelon Seedling Harmed by Acid Rain A Study of Net Radiation in Winter Wheat Field Physio-ecological Study on the Seed Germination and Seeding Growth in Four Legume Tree Species under Elevated CO2 Concentration The Caloric Value of Main Plant Species at Dinghushan, Guangdong, China Study on the Microclimate in the Mountain Forest in the Warm Temperate Zone Study on Evolution of Air-seeding Vegetation and Habitat in Maowusu Sandland Toxic Effects of Anthracene on Three Species of Marine Microalgae Spatial and Temporal Holocene Vegetation Change From Alluvium Pollen Analysis in the Yinma River Basin of Hebei Province Characteristics and Comparison of Spatial Heterogeneity of the Main Species of Korean Pine Old Growth Forests Tree Population Mortality, Recruitment and Growth During a 15-Year Period of Secondary Succession in Tropical Montane Rainforests at Jianfengling, Hainan Island, China Fifteen-Year Changes of Tree Layer in Secondary Castanopsis Schima Humid Evergreen Broad Leaved Forest in Central Subtropics of Western China Random Amplified Polymorphic DNA Study of Local Breeds in Chinese lfalfa Preliminary Results of a Study on CH4 Flux in Xilin River Basin Steppe Under Different Grazing Intensities Fifteen-year Changes of Tree Layer in Secondary Castanopsis-schima Humid Evergreen Broad- Biomass and Dynamics of Soil Environment During the Early Stage of Vegetation Restoration in a Degraded Dry-hot Mountain Area of Nanjian, Yunnan Dynamics of Associations Between Tree Species During 10 Years of Succession in a Secondary-growth Tropical Montane Rainforest at Jianfengling on Hainan Island, China Effects of Fragmentation on the Structure Species Composition and Diversity of Tropical Rainforest in Xishuangbanna, Yunnan Changes in the Roots of Alpine Grasses in Relation to Late Fall, Winter and Spring Freezing Tolerance A Preliminary Study of the Influence of Simulated Greenhouse Effect on a Kobresia humilis Meadow Photosynthetic Characteristics of a Semi-arid Sandy Grassland Community in Inner Mongolia Response of Net Photosynthetic Rate in 18-year-old China Fir Shoots To Lightflecks Zinc Tolerance and Hyperaccumulation in a New Ecotype of Sedum alfredii Hance Litterfall Response to Human Impacts in a Dinghushan Pine Forest Species Diversity Changes in Subalpine Coniferous Forests of Different Restoration Stages and Their Effects on Soil Properties Advances in Assessment of Ecosystem Health What is Metapopulation,Really? Study on Camellia japonica Poperties of Vegetation Pattern Fractal Model of Vegetation Pattern: the Fractal Properties of Vegetation Pattern Effects of Limited Irrigation on the Root Development of Spring Wheat in a Semi-arid Region Changes of Polyamines Content and Polyamine Oxidase Activity of Roots and Leaves During Drought Stress in Wheat Seedlings The Study of Edge-effect of Davidia involucrata Nitrogen Status With Ftir Primary Study on the Soil Urease Activity in Three Main Plant Communities in the Songnen Meadow The Photosynthesis Pathway in Leaves of Dendrobium officinale Diurnal Photosynthesis and Carbon Economy of Acacia mangium in English Photosynthetic Induction in Seedlings of Six Tropical Rainforest Tree Species Composition and Diversity of the Weed Community in Transgenic Bt Cotton (Four Bollgard Strains) Fields MEASURES OF PLANT COMPETITION AMONG THREE SPECIES OF