Advances in influence of seawater eutrophication on marine bacteria Effects of Culture Medium and Inoculating Date on Embryo Rescue of Seedless Grape Advances in study on influence factor of essential oil and components in Foeniculum vulgare Contingent Valuation of Forest Culture in Miaofeng Mountain in Beijing Tourism Efficiency and Influence Factors of Chinese Forest Parks Factors Influencing the Heat Shock Flowering of HSP ∷ FT Transgenic Poplar Distribution of zinc forms and its influence factors in calcareous purple soils Role of water level fluctuation on aquatic vegetation in lakes STUDIES ON CHARACTERISTICS OF GAS EXCHANGE FOR THREE OAK SPECIES IN NURSERY STOCK PERIOD