Temporal-spatial varibility of soil fertility and its affecting factors of varability in Karst region: a case study of Xiaojiang watershed,Yunnan Province Factors influencing Mikania micrantha invasion and distribution at regional scale Impact of Caragana Fabr. plantation on plant community and soil properities of saline\|alkali wasteland Altitudinal pattern of species richness of tree and effect of natural fire disturbance in Kanas Tourism District, Xinjiang Spatial distribution of rocky desertification and its difference between scales in northwest Guangxi Impacts of litter on physical and chemical soil properties and its karst effects on different forested Karst ecosystem Dynamics of soil alkali-salinity and growth of poplar saplings after krilium-addition in heavy soda saline-alkali soil in field Modeling changes of net primary productivity of karst vegetation in southwestern China using the CASA model Occurrence characteristics of akashiwo sanguinea bloom caused by land source rainwater In vitro Microspore Embryogenesis and Chromosome Doubling of Kale Karyotype Analysis and Pollen Mother Cell Meiosis Observation in Taraxacum antungense Kitag.(Asteraceae) Influence of Sulfur and Stillage Fertilizer on the Growth,Quality of Flue-Cured Tobacco,and pH in Alkaline Soil Characteristics of the Populations Age Structureof Three Typical Plantin Kumtag Desert Cloning and Its Prokaryotic Expression of a 70 kD Heat Shock Protein Gene from Capparis spinosa Karyotypes of Three Taxa in Pseudoroegneria (Poaceae:Triticeae) Cloning and Prokaryotic Expression of Apple S6PDH Gene Histochemical Localization and Seasonal Changes of Alkaloids in Vegetative Organs of Aconitum carmichaeli Optimization of Chromosome Sectioning and Karyotype Analysis of Schisandra sphenanthera Rehd.et Wils. Karyotypes of Six Populations of Four Species in the Genus Mallotus(Euphorbiaceae)from China Karyotypes of Three Species in Lysimachia Prokaryotic Expression Analysis of A NBS-type PtDRG01 Gene Isolated from Populus tomentosa Cart. Antioxidant Activities of Total Alkaloids from the Laminae of Elaeagnus mollis Dieis Exploration of Prokaryotic Expressing Solubilization System of the Gene XYGLuD3-LMWGS1 from Commom Wheat Chromosome Karyotype and Pollen Ultrastructure of A Related Species of Sweet Potato Effects of Exogenous Tryptophan on Alkaloid Production and Seedling Growth of Catharanthus roseus under Seawater Stress Karyotypes in Twelve Species of Genus Allium from China Effect of land use on the characteristics of organic carbon and labile organic carbon in soil aggregates in Karst mountain areas Characteristics of concentrations and carbon isotope compositions of dissolved inorganic carbon in soil water under varying vegetations in karst watershed Measurement and retrieval of leaf area index using remote sensing data in Kanas National Nature Reserve, Xinjiang CO2 flux in the upland field with corn-rapeseed rotation in the karst area of southwest China The stoichiometric characteristics of C, N, P for artificial plants and soil in the hinterland of Taklimakan Desert Community characteristics in a chronosequence of karst vegetation in Mashan county, Guangxi Response of soil physical-chemical properties to rocky desertification succession in South China Karst An investigation of the safety threshold of a floodplain wetland:a case study of the Er-Ka Nature Reserve, China Characteristics of soil fertility in different ecosystems in depressions between karst hills Spatial heterogeneity of soil microbial biomass in Mulun National Nature Reserve in Karst area Effects of cadmium on lipid peroxidation and ATPase activity of plasma membrane from Chinese kale (Brassica alboglabra Bailey) roots Growth and photosynthetic characteristics of Epimedium koreanum Nakai in different habitats EFFECTS OF CULTURE CONDITIONS ON THE ALKALOID YIELD OF Fritllarla ussurensis MAXIM FROM BULB in vitro STUDY ON ATTACHMENT OF Agrobacterium tumefanciens WITH Citrus reticulata Var. tankan Hayata EMBRYOGENIC CELLS STUDY ON THE CHINESE WILD WOODY PEONIES (Ⅲ) NEW TAXA OF PAEONIA L. SECT. MOUTAN DC. EXPLORING OF SOLAR ENERGY DISTRIBUTION ON CANOPY SURFACE OF INDIVIDUAL PICEA KORAIENSIS NAKAI STUDIES ON THE CYTOLOGY OF ATRACTYLODES DC. IN THE NORTH-EAST OF CHINA BIOSYSTEMATICAL STUCIES ON VICIA L. IN NORTHEAST CHINA Ⅶ KARYOTYPE ANALYSIS ON V.UNIJUCA AND ITS ALLIED SPECIES A PRELIMINARY CYTOTAXONOMICAL STUDY ON THE CHINESE ARISTOLOCHIA(ARISTOLOCHIACEAE) CYTOTAXONOMICAL STUDIES ON BUPLEURUM L. IN NORTHEAST CHINA Ⅰ. KARYOLOGY ANALYSIS OF SIX TAXA AND THEIR SIGNIFICANCE OF TAXONOMY BIOSYSTEMATICAL STUDIES ON NORTHEAST CHINA VICIA L.Ⅲ.PRELIMINARY CYTOLOGICAL OBSERVATIONS ON VICIA CRACCA GROUP THE KAIROMONE FROM BROWN PLANTHOPPER AND ITS RELATION TO RICE VARIETIES ON THE BIONOMICS OF TETRASTICHUS KODAIKANALENSIS SARASWAT(HYMENOPTERA: EULOPHIDAE) Variation of Organic Nutrition on Shoot and Flower Bud of ‘Hosui’Pear (Pyrus pyrifolia Nakai) during Reflorescence Period Karyotypes Analysis of Eight Wild Populations of Lilium sargentiae from Yunnan Provice Chemical and Molecular Biological Evidence Reveals That There Is No Taxol in Amentotaxus argotaenia (Hance) Pilger Clone and Expression Analysis of GGPPS1 Gene from Rehmannia glutinosa Cloning and Expression of HHT Gene in ‘Huanghua’ Pear and Its Bud Mutant ‘Lühuanghua’ Pear (Pyrus pyrifolia Nakai) Clone and Expression of Hypothetical Protein NXL-01 Related to Drought-tolerant in Nostoc flagelliforme Effect of Foliar-spraying Spermidine on Seedlings Growth and Contents of Chlorophyll Biosynthesis Precursors in Leaves of Tomato under Saline-alkaline Stress Analysis of Karyotypes of Prunus triloba and Four Related Species Ploidy Variation and Karyological Diversity in Rose Germplasm Analysis of chromosome karyotypes on three germplasm of Elytrigia repens Cloning, sequence analysis and prokaryotic expression of the WRKY6 of potato Karyotype analysis of three different genotypes of Poeae Study on the active components of oviposition repellency of Mikania micrantha H.B.K. against citrus red mite, Panonychus citri McGregor Dynamic change analysis of landscape pattern in a typical karst watershed:A case study of Xiaojiang watershed of Yunnan Province,China Food consumption,growth and ecological conversion efficiency of Thryssa kammalensis,determined by eggers model in laboratory Litter production, nutrient return and leaf-litter decomposition in natural and monoculture plantation forests of Castanopsis kawakamii in subtropical China Gap natural disturbance regime in the Castanopsis kawakamii forest Feeding Ecology of Sinocalanus tenellus (Copepoda:Calanoida) Grazing on Phytoplankton in Saline-alkaline Ponds The seed bank and it‘s germinative characters of the Distylium chinensis community in Guizhou,Maolan Karst forest Origins of soil organic carbon with the method of natural 13C abundance in maize fields ISOLATION AND STRUCTURAL DETERMINATION OF ABIDENINE Karyotypic Studies on Three Hybrids and Their Parents in Magnoliaceae Studies on the Floristics of Karst Nature Forests between Southern and Central Areas in Guizhou Province, China Observation on the Gametophyte Development of Drynaria roosii Nakaike Isolation of Novel Microsatellite Loci for Handeliodendron bodinieri ( Sapindaceae ) , An Endangered Tree Endemic to Karst Forest in Southwestern China Diversity Survey on Pteridophytes in Mt. Yunkai Nature Reserve, Western Guangdong, China Relationship between Soil Organic Carbon and Bulk Density in the Rocky Desertification Process of Karst Ecosystem in Guizhou Cytology of Sphagneticola and Wollastonia, Two Genera in Heliantheae, Asteraceae Physiological Response of Kalanchoe tubiflora Leaves to Drought Stress and Rewatering Cloning and Bioinformatics Analysis of S-adenosylhomocysteine Hydrolase Gene form Kalanchoe daigremontiana Isolation and Single Nucleotide Polymorphisms Analysis of Cellulose Synthase Gene Fragment in Larix kaempferi