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Distribution characteristics and seasonal dynamics of phosphorus and potassium in wetland ecosystem in the Sanjiang Plain Ecological fragility of wetlands in Sanjiang Plain Retrieval of Aerodynamic roughness length character over sparse vegetation region Effect of nitrogen amendment and straw-stubble input on accumulation of soil organic matter in typical farmlands of Huang-Huai-Hai Plain Summer food habits of Mongolian Gazelle (Procapra gutturosa) in Dalai Lake area in the Inner Mongolia, China and in Eastern Province，Mongolia Characteristics of climate resources under global climate change in the North China Plain0 Dew condensation rules in farmland ecosystem in Sanjiang Plain Characteristics of microbial activities in soil profiles of Calamagrostis angustifolia wetlands in Sanjiang Plain Evaluating the non-use value of sanjiang wetland based on contigent valuation method Assessment of regional soil moisture status based on characteristics of surface temperature/vegetation index space A NEW VARIETY OF SALIX L. DIVERSITY OF SEED PLANT AND THE CONSERVATION STRATEGIES IN FLOOD PLAIN GRASSLAND OF FEN RIVER Leaf Area Index Retrieval Based on Prospect,Liberty and Geosail Models Pylaisia steerei (Ando et Higuchi) Ignatov (Musci:Hypnaceae),A New Addition to the Bryoflora of China Study on the Flora of Culai Mountain in Shandong Province Seed Germination of Potamogeton malaianus Experimental Observations on the Gametophyte Development of Pylaisiella polyantha ESTIMATION OF LEAF AREA OF POTAMOGETON MALAIANUS MIQ.AND PRILIMINARY STUDY ON ITS RELATIONS WITH CULTIVATION DENSITIES ECOLOGICAL STUDIES ON POTAMOGETON MALAIANUS MIQ. IN CHINA Analysis on the Mechanism of Seed Dispersal of Puccinellia chinampoensis on Alkalized Meadow in Songnen Plain of China Isolation and Identification of the Constituents of Volatiles of Dry Flowers of Aglaia odorata Lour 灌溉与施氮对黑河中游新垦农田土壤硝态氮积累及氮素利用率的影响 南方人工林叶面积指数的摄影测量 Wetland landscape ecological security patterns analysis and plan in Northeast of Sanjiang Plain Nitrogen flow in food chain among regions based on MFA and model: a case of Huang-Huai-Hai Plain Reclaimed soil properties and weathered gangue change characteristics under various vegetation types on gangue pile Quantitative Analysis on Reproduction Characters of Puccinellia Chinampoensis Populatioa in Alkalized Meadow in the Songnen Plain of China Correlation and Path Analysis on Quantitative Characters of Leymus chinensis Influence of Reclaimed Water Irrigation on Growth and Quality of Alfalfa and White Clover Vegetative Propagation and Reproductive Growth of Two Ecotypes Leymus chinensis L. in Songnen Plain Effects of Reclaimed Water Irrigation on BVOCs Released from Urban Green Space Lawn grasses A SIMULATION MODEL FOR DYNAMIC GREEN AREA INDEX IN WINTER RAPESEED (BRASSICA NAPUS) SPECIFIC LEAF AREA AND LEAF AREA INDEX OF CONIFER PLANTATIONS IN QIANYANZHOU STATION OF SUBTROPICAL CHINA PLANT SPECIES DIVERSITY OF THE ISLAND FOREST IN A MARSH IN THE SANJIANG PLAIN, CHINA A PRELIMINARY STUDY ON BIOMASS OF WOODWARDIA JAPONICA COMMUNITY UNDER A CONIFEROUS PLANTATION IN SUBTROPICAL CHINA MONITORING LEAF DRY WEIGHT AND LEAF AREA INDEX IN WHEAT WITH HYPERSPECTRAL REMOTE SENSING The Seedbank Features and Its Relations to the Established Vegetation Following Flooding Disturbance on Songnen Steppe Leaf area index measurement of Pinus elliotii plantation The early-stage litter decomposition and its influencing factors in the wetland of the Sanjiang Plain, China Ecophysiological characteristics of flag leaf of winter wheat in HuangHuaiHai Plain The biomass variation of Potamogeton malaianus and its influential factors in Lake Taihu Taxonomic Status of Fauriella Besch.Inferred from ITS,trnL-F and rps4 Gene Regions Roles of Achene Mucilage in Defensing Freezing Injury for the Seed Germination of Mirabilis himalaica STUDIES ON THE FLORA OF THE SEED PLANTS FROM THE FLORA SUBREGION OF NE. CHINA PLAIN The Spatio-Temporal Variation of LAI of the Larix principis-rupprechtii Plantation Ecosystems at Diediegou of Liupan Mountains of Northwest China A Study of Hierarchical Classification for the Steppe Vegetation on the Song-Nen Plain The Models on Density Dependence to Natural Suaeda heteroptera Population of Alkalization Meadow in the Songnen Plain of China Comparative Analysis of Seed Banks in saline-alkali Communities in the Song-Nen Plain of China Antibacterial Components from the Twigs of Aglaia odorata var. microphyllina Chemical Constituents from Twigs of Aglaia testicularis C. Y. Wu On the Relation between Vegetation and Environment in Southern Song Nen Plain Landscape pattern dynamics and driving forces analysis in the Sanjiang Plain from 1954 to 2010 Spatial autocorrelation at multi-scale of soil collembolan community in farmland of the Sanjiang Plain, Northeast China Spatial and temporal variations of reference crop evapotranspiration and its influencing factors in the North China Plain Driving mechanism analysis of landscape pattern change in the lower reach of liaohe river plain based on gis-logistic coupling model Effects of farming on wetland soil seed banks in the Sanjing Plain and wetland restoration potential Study on Water Efficiency of Agroforestry Analysis of environmental endurance of winter wheat/summer maize rotation system to nitrogen in North China Plain The relationship between grain output and fertilizer input in wheat-corn cropping area of the Huang-Huai-Hai plain Cloning and Expression Analysis of Betalain related Transcription Factor Gene AmMYB1 in Amaranthus tricolor L. Newly Recorded Species of Orchidaceae from Xizang (Tibet) SECOTIUM HIMALAICUM SP. NOV. FROM NEPAL-A FOLKLORE CONCERNING THE FOOD OF ABOMINABLE SNOWMAN Biogeochemical circulation and management countermeasures of N and P in coastal wetlands of southern Laizhou Bay Soil evaporation in artificially revegetated sandy areas of Hunshandake Research on the earagriculture mode of~ nl‘ce low dissipation in Huanghuaihai Plain Impact of land use and land cover change on the vegetation carbon storage in Sanjiang Plain Dynamic processes of two-way succession of natural and man-made wetlands in Sanjiang Plain Regional Distribution and Pollution Evaluation of Heavy Metals Pollution in Topsoils of the Chengdu Plain INFLUENCE OF RECLAIMED WATER IRRIGATION ON TURFGRASS GROWTH AND SOIL Effects of long-term fertilizer management regimes on availability of soil micronutrient elements Effects of Shading on the Photosynthesis Characteristics and Fruit Traits of Laiweili Raspberry Relationship between Serum Level of Zinc and Copper and Inhibitory Effect of Herba Asari Oil on Proliferation of Granuloma Induced by Implantation of Cotton Pellets in Rats Studies on the Chemical Constituents of Artemisia dalailamae Kraschen Insecticidal active constituents from twig of Aglaia odorata Canopy structural parameters and understory light regimes of 3 artificial forest stands in South China Effect of Enclosure on Vegetation Photosynthesis and Biomass of Degraded Grasslands in Headwater Area of Qinghai-Tibetan Plateau Chemical constituents from leaves of Aglaia testicularis Physiological Reactions of Potamogeton malaianus to Different N and P Concentrations in the Growth Medium Technological principles and strategies for development of resourcesaving eco-agriculture in the transitional zone of mountain and plain--A case study from Xilingdi Experimental Area in the hilly districts of Mt. Taihang Problems in agricultural developmeat in the plain located in front of Mt. Taihang and ways for dealing with--A case study from Luancheng County,Hebei Province