A research on the photosynthetic characteristics of Jinguan,Molios and Strimoson apple (Malus pumila Mill.) Seasonal changes in soil respiration under different land use patterns in the water-wind erosion crisscross region of the Loess Plateau Seasonal changes of soil phosphorus fractions under Calamagrostis angustifolia wetlands in Sanjiang Plain, China Seasonal change in atmospheric SO2 concentration in forested and non-forested urban lands Seasonal Dynamics and Distribution of Six Elements Content of the Aboveground Part in Puccinellia tenuiflora GEOGRAPHIC VARIATION IN FOLIAR MINERAL ELEMENT CONCENTRATIONS OF PINUS ARMANDII SEED SOURCES Seasonal Changes in the Ultrastructure of the Vascular Cambium in Shoots of Populus tomentosa Seasonal changes in enzymatic antioxidant system in roots of alpine perennial forage grasses related to freezing tolerance Seasonal Changes in Leaf Magnesium and Boron Contents and Their Relationships to Leaf Yellowing of Navel Orange(Citrus sinensis Osbeck) Content and seasonal change in soil labile organic carbon under different forest covers The Analysis of Volatile Compounds and Seasonal Differences Emitted from Leaves of Acer truncatum The Analysis of Volatile Compounds and Seasonal Differences Emitted from Leaves of Acer truncatum Expression Analysis of Seven Dehydrin Genes in Loquat Expression Analysis of Seven Dehydrin Genes in Loquat The Relationship Between Seasonal Changes of Kobresia Humilis Meadow Biomass and the Meteorological Factors Simulation of forest net primary productivity in northeastern China with IBIS Seasonal change of soil microbial biomass and the relationship between soil microbial biomass and soil moisture and temperature Comparative study on seasonal changes in physiological characteristics of Eucalyptus, broad-leaved and coniferous tree species Diurnal changes in photosynthesis and chlorophyll fluorescence parameters of Amomum villosum lour. grown under tropical rainforest in rainy, and foggy and cool seasons at Xishuangbanna Soil algal biomass and its influential factors in desert soil crusts Rule of Seasonal Changes of the Ceratosolen sp.in the Tropical Rainforest of Xishuangbanna,China Changes in Nitrogen and Phosphorus and Their Retranslocation in Leaves of Evergreen and Deciduous Broadleaved Trees Photosynthesis-light Response Curves Characteristics of Dominant Plants in Alpine Grassland Periodicity of Cambium Activity and Seasonal Changes of the Secondary Phloem in Two Species of Dalbergia Seasonal changes of nitrogen and phosphorus and their translocation from leaves of ten tree species in central Japan Variation characteristics and calculation model of evapotranspiration in latored soils on hills Seasonal Changes in the Trade-off Among Fig-supported Wasps and Viable Seeds in Figs and Their Evolutionary Implications Analysis of seasonal changes of wetland landscape patterns derived from remote sensing data THE SEASONAL CHANGES OF BIRD COMMUNITY AND BIRD SPECIES DIVERSITY IN MASSON PINE(PINUS MASSONIANA LAMB.) PLANTATION IN NORTHERN ZHEJIANG PROVINCE THE RELATIONSHIP OF THE BARK FORMATION WITH SEASONAL CHANGES IN POPULUS DAKANENSIS Seasonal changes of leaf rna/dna ratio and rna/protein ratio of four species plants from the Alxa Desert Seasonal changes of ground vegetation characteristics under artificial Caragana intermedia plantations with age in desert steppe SEASONAL DYNAMIC PATTERNS OF DEVELOPMENT AND NUTRIENT CONTENTS IN THE FEMALE CONES OF PINUS MASSONIANA LAMB Studies on Variations of the Essential Oils in Acorua calamus L.and Their Major Compositions Seasonal changes of phytoplankton community structure in Jinshuitan Reservoir, Zhejiang, China Distribution Patterns and Their Seasonal Changes of Carabus Beetles in Dongling Mountain Region Near Beijing MAIN TRACE ELEMENTS OF PLANTS IN THE LARIX GMELINII SPHAGNUM BOG IN XIAOXINGANLING Seasonal Change of Anthroquinone Content in Cultivated Rheum tanguticum Seasonal Change of Anthraquinone in Vegetative Organs of Polygonum cuspidatum THE RELATIONSHIPS BETWEEN SEASONAL CHANGES OF PHOTOSYNTHESIS AND TRANSPIRATION OF PUCCINELLIA TENUIFLORA AND THE CLIMATE FACTORS Seasonal Changes in Leaf Magnesium and Boron Contents and Their Relationships to Leaf Yellowing of Navel Orange(Citrus sinensis Osbeck) Leaf Traits of Orchids in Relation to Life Form in Karst Area of Southwestern China Characteristics of photosynthetic productivity and water-consumption for transpiration in Pinus densiflora var. zhangwuensis and Pinus sylvestris var. mongolica Seasonal change of leaf morphological traits of six broadleaf seedlings in South China Soil properties of Tibetan Plateau alpine wetland affected by grazing and season Sap Flow Changes of Phyllostachys edulis and Their Relationships with Meteorological Factors Community Structure of Soil Nematodes in Changgangshan Natural Reserve of Guangzhou Photosynthetic response to seasonal temperature changes in evergreen and deciduous broad-leaved trees in montane forests of Ailao Mountain and Mao′er Mountain Study on photosynthetic capacity and leaf nitrogen content of main secondary forest-forming species in Heilongjiang Province Effects of seasonal changes on the growth and reproduction in Ficus racemosa and pollianting fig wasp mutualism system Vegetation net primary productivity in Northeast China in 2000-2008: Simulation and seasonal change. Effects of biological soil crusts on desert soil nematode communities Seasonal changes of element concentrations in the leaves of Sabina Seasonal Changes of Endogenous Phytohormones, Fatty Acid Composition of Chloroplast Membrane and Enzymes of Membrane-lipids Antioxidation System in two Desert Plants A Study on the Seasonal Changes of Phosphorus Content of Six Crops in the Shandianhe River Basin, North China Transpiration of tree species for vegetation restoration in dry-hot river valleys The change of water parameters in Tetraena mongolica with season and habitat A Study of Chemical Contents in a Mixed Shrubland Near Baihuashan Mountain in Beijing Seasonal Variations of Secondary Phloem Development in Pterocarya Stenoptera and Its Relation to Feeding of Kerria yunnanensis Studies on Photosynthetic Characteristics of South-and North-typed Populus deltoides Younglings Seasonal Changes in Antioxidant Systems, Soluble Sugars and Chlorophyll Fluorescence Parameters in Leaves of Stylosanthes guianensis and Medicago sativa Seasonal Variations of Short Wave and Long Wave Radiation in Layer of Soil and Atmosphere of Alpine Wetland at North Area of Qinghai Spatial Distribution and Seasonal Changes of Needle-leaf Area Density within 17-year-old Chinese Fir Crown Comparison study on Total Flavonoid Content and Anti-free Redical Activity of the Leaves of Bamboo,phyllostachys nigra, and Ginkgo bilabo Litterfall production and dynamic for twenty years of a successive replanting Cunninghamia lanceolata plantation at Huitong, Hunan Temporal and spatial variation of soil nitrogen mineralization in northern slope of Changbai Mountain in Northeast China SEASONAL CHANGES AND DAILY COURSES OF PHOTOSYNTHETIC CHARACTER ISTICS OF 18-YEAR-OLD CHINESE FIR SHOOTS IN RELATION TO SHOOT AGES AND POSITIONS WITHIN TREE CROWN SEASONAL CHANGES OF PHOTOSYNTHETIC AND TRANSPIRATION CHARACTERS OF PUCCINELLIA TENUIFLORA