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三峡库区消落带的微生物群落结构、碳氮矿化和硝化作用的研究

摘要第5-11页
Dissertation Abstract第11-18页
Chapter 1 Introduction第23-27页
    1.1 Overview of riparian ecosystem第23-24页
    1.2 Three Gorges Reservoir第24-25页
    1.3 Dissertation Objectives第25-27页
Chapter 2 Literature Review第27-35页
    2.1 Redox Potential第27-29页
    2.2 Carbon and nitrogen mineralization第29-30页
    2.3 N Transformation第30-32页
    2.4 Ammonia oxidizers第32-35页
Chapter 3 Redox shifts soil microbial community structure in the drawdown zone afterconstruction of Three Gorges Dam第35-51页
    3.1 Abstract第35-36页
    3.2 Introduction第36-38页
    3.3 Materials and methods第38-41页
        3.3.1 Site description and soil sampling第38-39页
        3.3.2 Soil physicochemical and phospholipid fatty acids (PLFAs) analyses第39-41页
        3.3.3 Statistical analysis第41页
    3.4 Results第41-47页
        3.4.1 PLFA markers in the Three Gorges Reservoir Region第41-43页
        3.4.2 PLFA compositional indicators第43-45页
        3.4.3 Microbial PLFA characteristics and selected soil properties第45-47页
    3.5 Discussion第47-49页
        3.5.1 Redox disturbance effects on PLFA markers第47-48页
        3.5.2 Shifts in microbial community structure第48页
        3.5.3 Microbial characteristics and selected soil properties第48-49页
    3.6 Conclusion第49-51页
Chapter 4 Redox effect on carbon and nitrogen mineralization in the drawdown zone of theThree Gorges Reservoir第51-75页
    4.1 Abstract第51-52页
    4.2 Introduction第52-53页
    4.3 Materials and Methods第53-56页
        4.3.1 Site description第53-54页
        4.3.2 Soil Sampling第54-55页
        4.3.3 Incubation第55-56页
        4.3.4 Data analyses第56页
    4.4 Results第56-65页
        4.4.1 Dynamics of soil p H in nitrogen and carbon mineralization第56-59页
        4.4.2 Time course of inorganic N production第59-64页
        4.4.3 Nitrogen mineralization dynamic第64页
        4.4.4 Carbon mineralization dynamic第64-65页
    4.5 Discussion第65-72页
        4.5.1 Redox effect on CO2-C mineralization第65-70页
        4.5.2 Redox effect on N Mineralization第70-72页
    4.6 Conclusion第72-75页
Chapter 5 Redox effect on nitrification kinetics in the drawdown zone of theThree Gorges Reservoir Region第75-93页
    5.1 Abstract第75-76页
    5.2 Introduction第76-78页
    5.3 Materials and Methods第78-81页
        5.3.1 Site Description and Soil Sampling第78-79页
        5.3.2 Soil Physicochemical Analyses第79页
        5.3.3 Incubation第79页
        5.3.4 DNA extraction & quantitative PCR assay第79-80页
        5.3.5 Data analyses第80-81页
    5.4 Results第81-86页
        5.4.1 Selected soil properties第81页
        5.4.2 Nitrification dynamic第81-84页
        5.4.3 p H changes in nitrification dynamics第84页
        5.4.4 Ammonia-oxidizing bacterial (AOB) and ammonia-oxidizing archaeal (AOA) amo A gene copies第84-86页
    5.5 Discussion第86-92页
        5.5.1 Prolonged Redox Effect on Nitrification第86-88页
        5.5.2 Prolonged redox disturbance effect on AOA and AOB第88-90页
        5.5.3 Implications for nutrient uptake第90-92页
    5.6 Conclusion第92-93页
Chapter 6 Summary第93-97页
References第97-115页
Article Ownership第115-117页
Acknowledgement第117-118页

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