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Comparative Studies on the Saline-Alkali Resistant Characters in Puccinellia chinampoensis and Aeluropus littoralis var. sinensis of Alkalization Meadow in Songnen Plain Studies on the Mangrove Communities in Yineluo Bay of Guangxi The Contribution of Wetlands to Stream Nitrogen Load in the Loch Vale Watershed, Colorado, USA Development of the Expert Systems for Management of Maowusu Sandy Grassland Litter Decomposition and its Nutrient Dynamics of a Pine Forest in Dinghushan Biosphere Reserve A Study on the Biomass of Alder and Cypress Artificial Mixed Forest in Sichuan Weibull D. B. H. Distributions and Their Dynamic Predictions in the Natural Uneven-Aged Evergreen Broad-leaf Juvenile Forest Preliminary Report on the Mixed Forests of Cunnnghamia lanceolata with Three Kinds of Broad-leaved Trees Studies on Some Ecological Questions of Gordonia acumenata Community Structure and Biomass Dynamic of the Kobresia pygmaea Steppe Meadow A Preliminary Report on the Dynamic of the Herbage Communities in a Youn g Planted Woodland in the Hilly Area of Central Sicchuan A Study on the Dynamics of Major Nutrient Elements Between Plant and Soil in an Aneurolepidium chinens Grassland Ecological Studies on the Forest Community of Castanopsis platyacantha-Schima sinensis on Emei Mountain Studies on the Characteristics of Mn, Cu and Zn Contents in the Aneurolepidium chinense Grassland of Northeast China Study on the Influence of Main Associated Tree Species on Growth of Tilia amurensis A Study on the Dynamics of Forest Litter in the Habitat of Giant Panda Studies on the Features of Energy Value and the Factors of Affecting Measuring Energy Value of Neosinocalamus affinis Clone Population Coenological Analysis of Five Man-made Forests on Down-land in Heshan, Guangdong Province A Preliminary Study on the Structure and Dynamics of Pubescent Hornbeam Population in Karst Mountain of Guiyang Study for the Ecological Environment and Vulnerable Reasons of the Ammopiptanthus nanus Studies on the Laws of Evapotranspiration in a Chinese Fir Plantation and Discuss on Rapid Current Spread Method Studies on Population Density and Biomass Dynamics of Scirpus Mariqueter Studies on the Biocycling of Nutrient Elements of Tree Layer of Cunninghamia lanceolata Mature Plantations The Study on the Migration and Regeneration of Tamarix Community in Guerbantongute Desert Studies on the Biomass Structure of Neosinocalamus offinif Population in Jinyun Mountain Preliminary Study on the Relationship Between Development of R104 (A Variety of Amaranthus cruentus) And Environmental Conditions Study on the Quantitative Dynamics of the Neosinocalamus Affinis On the Distribution Pattern of Weed Communities of Summer Crop Fields in River valley and Hilly Lands of Anhui Province A Study on the Biomass of Tamarix Communities and Their Management and Utilization in Xinjiang Study on the Sampling Methods for Korean Pine Forests Mixed with Deciduous Trees in the Lesser Xiao Xingan Mountains in Heilongjiang Province The Vegetation of Qaidam Basin and its Surrounding Mountains Studies on the Solar Energy Utilization Ratio in a Chamaecyparis obtusa Plantation (I) ——Community Productive Structure, Standing Crop, Increment and Solar Energy Utilization Ratio The Application of the Sampling Method to the Plant Population Pattern in the Lower Subtropical Forest Study of the Castanopsis kawakamii Forest in the Wakeng Area of Sanming City, Fujian Province Photosynthetic Characteristics of Two Superhigh-yield Hybrid Rice An Approach to Estimating Respiration of Forest Community and Its Application Actin Is Localized in the Nucleolar Skeleton of Physarum polycephalum Effects of Severing Rhizome on Clonal Growth in Rhizomatous Grass Species Psammochloa villosa and Leymus secalinus Cytochrome c Can Induce Programmed Cell Death in Plant Cells Allozyme Variance and Clonal Diversity in the Rhizomatous Grass Psammochloa villosa(Gramineae)