Impact factors and relationships between biodiversity and biomass of different communities in the desert steppe of Ningxia, China ENZYMATIC METHODS FOR DETECTION OF POINT MUTATIONS Impact factors decomposition and empirical analysis of energy consumption carbon emissions in Shenyang, China Photosynthetic characteristics in leaves of Davidia involucrate Study on nitrification and impact factors in Pearl River estuarine wetlands Advances in ecotone width determination and its impact factors Reviews on the impacts of invasive plant on ecosystem productivity Spatial variation of soil water and the key impact factors in dry season in Karst cluster-peak-depression region Advances in feeding ecology of Acartia The spatial distribution and impact factors of net primary productivity in the island ecosystem of five southern islands of Miaodao Archipelago SOIL CARBON AND NITROGEN CONTENTS ALONG ELEVATION GRADIENTS IN THE SOURCE REGION OF YANGTZE, YELLOW AND LANTSANG RIVERS Factors influencing the spatial distribution of vegetation carbon density in karst landscapes of Northwest Guangxi:a case study based on radial basis function network model Analyses for the colonization ability of Bacillus subtilis XF-1 in the rhizosphere Equilibrium relationships of soil organic carbon in the main croplands of northeast china based on structural equation modeling Citrus boron nutrient level and its impact factors in the Three Gorges Reservoir region of Chongqing, China. Research Progress on Gel Properties of Surimi Products