Study on flavonoid glycosides from Gentiana veitchiorum Chemical constituents and antiviral activity of Polygala fallax Adaptive advantages of gynomonoecious species Resolving place names in Amdo and Kham: A gazetteer for the Hengduan Mountains region of Southwest China Notes on the genus Clematis (Ranunculaceae) (Ⅱ) Taxonomic Studies on Some Species of Diatoma Redundancy theory and its application in agro-ecosystem management Advances in energy analysis of agro-ecosystems Analytical theories of exergy and emergy for ecological research Forming mechanisms and accumulating processes of gas regulation by rice paddy ecosystems Distribution characteristics of dissolved organic carbon in the sediment of multi-stage canal and ditch systems in wetlands of the Sanjiang Plain Probe into several ecological issues related to the establishment of urban turf systems Molecular biomarkers in aquatic organisms in relation to the oxidative stress imposed by environmental pollutants Floral Biology and Breeding System of Endangered Plant Scutellaria tsinyunensis Endemic to Chongqing,China The Localization Characteristics of Rhubarb Polysaccharide in Stems and Leaves of Rheum tanguticum Maxim.et Balf.var.liupanshanense Cheng et kao Chromosome Giemsa C-banding Analysis of Lilium leucanthum(Baker) Baker Floral sex allocation and gynomonoecy of Ligularia (Asteraceae) in the eastern Qinghai-Tibet Plateau The Genetic Resources of Introduced Populus and the Problems Existed in China Construction of One Mutant Library and Research on Phenotypic Variation of M2 Population Leaves in Chinese Cabbage Construction of One Mutant Library and Research on Phenotypic Variation of M2 Population Leaves in Chinese Cabbage Study on the Convergent Passages of Water Conducting Elements in Secondary Xylem of Fagaceae The Chemical Studies on Corydalis hendersonii Hemsl( =C. nepalensis Kitamura—— Chemical constituents in leaves of Ilex ficoidea Extraction and structure elucidation of three lignans from peeled dried roots and stems of Syringa pinnatifolia Countermeasures for promoting internationalization of Chinese materia medica by virtue of formula granule Chemical constituents from Syringa pinnatifolia Chemical constituents in stems of Zhuang Medicine Alsophila spinulosa Comparison on accumulation of flavonoids in loose and compact callus suspension cell culture of Tetrastigma hemsleyanum Chemical constituents of Kadsura coccinea Comparison on accumulation of flavonoids in loose and compact callus suspension cell culture of Tetrastigma hemsleyanum Chemical Constituents of Tetrastigma hemsleyanum Diels. et Gilg Studies on Chemical Constituents of Hemsleya graciliflora (Harms) Cogn. Studies on Chemical Constituents of the Stems and Leaves of Trigonella foenum graecum L. Studies on Quality Standard of Tanre Kesou Granules Effects of Ginsenosides from Stems and Leaves on HyperlipemiaInduced by Prednisone Acetate in Rabbits Advances in novel carrier systems of chemical constituents from spice volatile oils Progress of serum pharmacochemistry of traditional Chinese medicine and further development of its theory and method HPLC Fingerprint of Zanthoxylum echinocarpum Chemical constituents from root of Polygala fallax Effect of different land use systems on the form and distribution of organic nitrogen in brown soil Effects of EMS mutagenesis on seed and seedling vigor and phenotypic variation of M2 population in Chinese cabbage Agronomic traits and quality analysis of peanut EMS Mutation Progeny Diterpenoid Alkaloids of Aconitum Hemsleyanum Studies on Seed Development and Embryogenesis in Liriodendron chinense (Hemsl.) Sarg Genome Analysis of Three Species of the Genus Algropyron Review on carbon cycle of forest ecosystem A review of conservation of rice terraces agriculture as agricultural heritage systems Agrobiodiversity features, conservation and utilization of China’s Globally Important Agricultural Heritage Systems Effects of five kinds of phenolic acid on the function of mitochondria and antioxidant systems in roots of Malus hupehensis Rehd. seedlings Emission paths and measurement methods for greenhouse gas fluxes from freshwater ecosystems:a review Discussion of carbon sequestration estimates in the island terrestrial ecosystems Characterization of novel Brown midrib 6 mutations affecting lignin biosynthesis in sorghum CHAGAN, A DYNAMIC SIMULATOR OF NITROGEN CYCLING IN MIXED AGRO-ECOSYSTEMS APPLICATION OF 15N NATURAL ABUNDANCE METHOD TO THE RESEARCH ON NITROGEN CYCLING IN NATURAL ECOSYSTEMS STUDY ON TRANSFER OF CADMIUM IN SOIL-PLANT SYSTEMS WITH THE ISOTOPIC DILUTION METHOD INDUCTION OF GENETIC VARIATION OF OIL COMPOSITION IN SOYBEAN BY EMS THE CYTOLOGICAL EFFECT OF EMS ON SPIKES AND ITS INFLUENCE ON ANTHER CULTURE OF WHEAT IN VITRO TREATMENTS Nitrogen Resorption of Three Life-forms(Trees,Shrubs and Grasses)in the Semi-Arid Region of North China Study on emergy analysis of Gansu ecological-economic systems Contents,heated problems and significance of neighborhood interference among plants STUDIES ON THE DIVERSITY AND INSECT COMMUNITY IN DIFFERENT INTERCROPPED AND MANAGED JUJUBE YARD ECOSYSTEMS STUDY ON THE PROBLEMS OF FOREST PLANTATION PRODUCTIVITY OF CHINA Ⅱ.——TO PROBE INTO THE SOCIAL AND OTHER NON-NATURE FACTORS DEBASING THE PLANTATION PRODUCTIVITY STUDY ON THE PROBLEMS OF FOREST PLANTATION PRODUCTIVITY OF CHINA(Ⅰ)——TO PROBE INTO THE NATURAL FACTORS OF INFLUENCING THE PLANTATION PRODUCTIVITY STUDIES ON GIEMSA C-BANDS AND CHROMOCENTERS OF SILPHIUM PERFOLIATUM STUDIES ON CHEMICAL CONSTITUENTS OF ZANTHOXYLUM SPP.Ⅰ.SEPARATION OF YANGAMBIN STUDIES ON THE CHEMICAL CONSTITUENTS FROM SYCOPSIS TUTCHERII STUDIES ON THE CHEMICAL CONSTITUENTS OF ZANTHOXYLUM MICRANTHUM HEMSL. Distribution of salvianolic acids in aerial parts of Salvia miltiorrhiza during different growing periods and accumulation dynamic analysis Cloning, sequence analysis, and prokaryotic expression of 1-deoxy-D-xylulose-5-phosphate reductoisomerase GrDXR gene in Gentiana rigescens In vitro mutation induced by ethylmethane sulfonate in Stevia rebaudiana and SRAP identification of salt-tolerant mutants Perplexity and prospect of newly researched and developed drug in China Chemical constituents of Fordia cauliflora(Ⅲ) Partitioning of vegetation biomass, nutrient storage and cycling of degraded ecosystems from moutainous Karst region, central Guizhou, China A review on the functions of nitrogen-fixers in terrestrial ecosystems The emergy analysis of the eco\|economy system in typical farming and grazing households in Mu Us sandland Effects of nitrogen deposition on forest biodiversity: a review Establishing and validation individual-based carbon budget model FORCCHN of forest ecosystems in China Comparison on the Damage Mechanism of Cell Membrane and Its Protective Systems in Picea asperata Leaves under Different Acid Stress Types Biomass Production and Carbon Sequestration in Poplar-Crop Agroforestry Ecosystems in Eastern Henan Plain EMS Mutagenesis,Mutant Screening and Identification of Sorghum