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异养细菌对水华蓝藻优势维持的作用机制及一种可能的控藻方法

List of abbreviations第5-6页
摘要第6-9页
Abstract第9-11页
Chapter 1:Literature Review第16-48页
    1.1. Cyanobacteria第16-19页
        1.1.1. Historic importance of cyanobacteria第16-17页
        1.1.2. Current roles of cyanobacteria第17-18页
        1.1.3. Harmful cyanobacteria第18-19页
        1.1.4. Negative impacts of cyanobacteria第19页
    1.2. Cyanobacteria and heterotrophic bacteria第19-25页
        1.2.1. Aquatic bacteria第20-21页
        1.2.2. Interactions between cyanobacteria and heterotrophic bacteria第21-22页
        1.2.3. Impacts of cyanobacteria on bacteria第22-23页
        1.2.4. Influences of bacteria on cyanobacteria第23-24页
        1.2.5. Dissolved organic nitrogen (DON) and heterotrophic bacteria第24-25页
    1.3. Hypotheses behind cyanobacterial dominance第25-28页
    1.4. Measures in cyanobacterial bloom control第28-32页
        1.4.1. Physical methods第28-30页
        1.4.2. Chemical methods第30-31页
        1.4.3. Biological methods第31-32页
    1.5. Research objectives第32-33页
    Reference第33-48页
Chapter 2:Stimulating effect of Pseudomonas sp. A3CT on Microcystisaeruginosa in eutrophic water第48-71页
    2.1. Introduction第48-49页
    2.2. Materials and methods第49-55页
        2.2.1. Cyanobacterial strain and growth condition第50页
        2.2.2. A3CT isolation, maintenance and effect on cyanobacterial growth第50-51页
        2.2.3. DON sources第51页
        2.2.4. Preparation of the decomposed solution第51-52页
        2.2.5. Effect of decomposed solutions on cyanobacterial growth第52-54页
        2.2.6. DIN measurement第54-55页
        2.2.7. Identification of the A3CT第55页
        2.2.8. Statistical analysis第55页
    2.3. Results第55-61页
        2.3.1. Effect of A3CT on Ma growth第55-56页
        2.3.2. Promoting effect of DS(DON) on Ma growth第56-59页
        2.3.3. Changes in NH_4~+ concentration of cyanobacterial cultures under different treatments第59-61页
        2.3.4. Identification of the bacteria and correlation between variables第61页
    2.4. Discussion第61-65页
    References第65-71页
Chapter 3:Different effects of Pseudomonas sp. A3CT on Microcystis flos-aquaeand Microcystis aeruginosa in eutrophic water第71-88页
    3.1. Introduction第71-73页
    3.2. Materials and Methods第73-76页
        3.2.1. Microalgal and bacterial strains第73-74页
        3.2.2. Effect of bacterial culture on microalgae growth第74页
        3.2.3. Effect of bacterial exudates on microalgae growth第74-75页
        3.2.4. Chemical analysis of A3CT exudates第75-76页
        3.2.5. Effect of exogenous cadaverine on microalgal growth第76页
        3.2.6. Statistical analysis第76页
    3.3. Results第76-81页
        3.3.1. Dual roles of A3CT on the growth of microalgae第76-77页
        3.3.2. Responses of the two microalgal strains to A3CT exudates第77-79页
        3.3.3. Major A3CT exudate components and their relationship with microalgae growth第79-80页
        3.3.4. Impacts of exogenous cadaverine on the growth of microalgae第80-81页
    3.4. Discussion第81-83页
        3.4.1. Dual roles of A3CT on microalgae第81-82页
        3.4.2. The mechanism of A3CT dual roles第82-83页
    References第83-88页
Chapter 4:Impacts of heterotrophic bacteria on Microcystis aeruginosa alongdifferent gradients of organic carbon and nitrogen第88-108页
    4.1. Introduction第88-90页
    4.2. Materials and methods第90-94页
        4.2.1. Microalgal strain and growth condition第90页
        4.2.2. Bacterial strains第90-91页
        4.2.3. Experimental design第91-92页
        4.2.4. Ma and bacterial growth第92-93页
        4.2.5. Elemental composition第93页
        4.2.6. Nutrients analysis第93页
        4.2.7. Statistic analysis第93-94页
    4.3. Results第94-100页
        4.3.1. Ma and bacterial growth第94-97页
        4.3.2. Elemental compositions第97-98页
        4.3.3. Nutrients第98-100页
    4.4. Discussion第100-103页
    References第103-108页
Chapter 5:Degradation activity and mechanism of white-rot fungus Trametesversicolor F21a on Microcystis aeruginosa第108-130页
    5.1. Introduction第108-109页
    5.2. Materials and methods第109-114页
        5.2.1. Fungal strain and maintenance第110页
        5.2.2. Microcystis strains and cultivation第110-111页
        5.2.3. Experimental design第111页
        5.2.4. Degradation of F21a on Microcystis spp第111-112页
        5.2.5. Fungal biomass and enzymatic activity determination第112-113页
        5.2.6. Statistical analyses第113-114页
    5.3. Results第114-121页
        5.3.1. Cyanobacterial degradation第114-115页
        5.3.2. Fungal biomass第115-116页
        5.3.3. Extracellular enzyme activities第116-119页
        5.3.4. Relationship among degradation rate,fungal biomass,and enzyme activities第119-121页
    5.4. Discussion第121-123页
    References第123-130页
Chapter 6:Summary第130-132页
Publications第132-134页
Acknowledgements第134-135页

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