Study on photosynthetic capacity and leaf nitrogen content of main secondary forest-forming species in Heilongjiang Province Rule of Seasonal Changes of the Ceratosolen sp.in the Tropical Rainforest of Xishuangbanna,China Seasonal Changes in Antioxidant Systems, Soluble Sugars and Chlorophyll Fluorescence Parameters in Leaves of Stylosanthes guianensis and Medicago sativa Seasonal Changes in the Ultrastructure of the Vascular Cambium in Shoots of Populus tomentosa Periodicity of Cambium Activity and Seasonal Changes of the Secondary Phloem in Two Species of Dalbergia Soil properties of Tibetan Plateau alpine wetland affected by grazing and season Photosynthetic response to seasonal temperature changes in evergreen and deciduous broad-leaved trees in montane forests of Ailao Mountain and Mao′er Mountain Seasonal changes of element concentrations in the leaves of Sabina Studies on Variations of the Essential Oils in Acorua calamus L.and Their Major Compositions Sap Flow Changes of Phyllostachys edulis and Their Relationships with Meteorological Factors Seasonal changes of phytoplankton community structure in Jinshuitan Reservoir, Zhejiang, China 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 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 SEASONAL CHANGES OF PHOTOSYNTHETIC AND TRANSPIRATION CHARACTERS OF PUCCINELLIA TENUIFLORA 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 Studies on Photosynthetic Characteristics of South-and North-typed Populus deltoides Younglings Photosynthesis-light Response Curves Characteristics of Dominant Plants in Alpine Grassland Characteristics of photosynthetic productivity and water-consumption for transpiration in Pinus densiflora var. zhangwuensis and Pinus sylvestris var. mongolica THE RELATIONSHIP OF THE BARK FORMATION WITH SEASONAL CHANGES IN POPULUS DAKANENSIS Expression Analysis of Seven Dehydrin Genes in Loquat Expression Analysis of Seven Dehydrin Genes in Loquat Seasonal changes in enzymatic antioxidant system in roots of alpine perennial forage grasses related to freezing tolerance