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水生态系统中凋落物降解对环境压力的响应

摘要第5-8页
Abstract第8-11页
Chapter 1 Literature Review第15-46页
    1.1 The importance of litter decomposition in aquatic ecosystems第15页
    1.2 The processes of litter decomposition in aquatic ecosystems第15-16页
    1.3 Factors affect litter decomposition第16-29页
        1.3.1 Litter quality第17-19页
        1.3.2 Aquatic biota involved in leaf litter decomposition第19-20页
        1.3.3 Effects of climate and environment on plant litter decomposition第20-29页
            1.3.3.1 Temperature第20-23页
            1.3.3.2 Moisture第23页
            1.3.3.3 Light第23-25页
            1.3.3.4 Eutrophication第25-26页
            1.3.3.5 Heavy metals第26-27页
            1.3.3.6 Multiple stressors第27-29页
    1.4 Thesis aim and outline第29-30页
    1.5 References第30-46页
Chapter 2 Contribution of ambient atmospheric exposure to Typha angustifolia1 itter decomposition in aquatic environment第46-69页
    2.1 Introduction第46-48页
    2.2 Materials and methods第48-51页
        2.2.1 Site description and experimental design第48-49页
        2.2.2 Leaf mass loss and chemical characteristics第49页
        2.2.3 Fungal sporulation第49-50页
        2.2.4 Enzyme assays第50页
        2.2.5 Data analyses第50-51页
    2.3 Results第51-61页
        2.3.1 Litter decomposition during ambient atmospheric exposure第51-52页
        2.3.2 Litter decomposition in aquatic environments第52-55页
        2.3.3 Fungi diversity and sporulation第55-57页
        2.3.4 Changes in enzyme activities第57-61页
    2.4 Discussion第61-64页
    2.5 Conclusions第64页
    2.6 References第64-69页
Chapter 3 Synergistic effects of water temperature and heavy metals on thedecomposition of Typha angustifolia leaf litter in aquatic ecosystems第69-96页
    3.1 Introduction第69-71页
    3.2 Materials and methods第71-74页
        3.2.1 Study site and stream water第71页
        3.2.2 Microcosm experiment第71-72页
        3.2.3 Leaf mass loss and chemical characteristics第72页
        3.2.4 Enzyme assays第72-73页
        3.2.5 Data analyses第73-74页
    3.3 Results第74-86页
        3.3.1 Leaf mass loss第74-77页
        3.3.2 Changes in chemical characteristics第77-79页
        3.3.3 Changes in enzyme activities第79-86页
    3.4 Discussion第86-90页
    3.5 Conclusions第90页
    3.6 References第90-96页
Chapter 4 Adaptation of microbial communities to multiple stressors associatedwith litter decomposition of Pterocarya stenoptera第96-126页
    4.1 Introduction第96-98页
    4.2 Materials and methods第98-102页
        4.2.1 Sampling site第98-99页
        4.2.2 Microcosm experiment第99-100页
        4.2.3 Leaf mass loss第100页
        4.2.4 Enzyme assays第100-101页
        4.2.5 Estimation of microbial biomass第101页
        4.2.6 Data analyses第101-102页
    4.3 Results第102-115页
        4.3.1 Dry mass remaining第102-104页
        4.3.2 Extracellular enzyme activity第104-113页
        4.3.3 Estimation of microbial biomass第113-115页
    4.4 Discussion第115-120页
        4.4.1 Response of litter decomposition on multiple stressors第115-119页
        4.4.2 Adaptation of extracellular enzyme activity to heavy metal stressors第119-120页
    4.5 Conclusions第120页
    4.6 References第120-126页
Chapter 5 Summary第126-129页
    5.1 Conclusions第126-128页
    5.2 Prospects第128-129页
List of publications (September 2011-May 2014)第129-131页
Acknowledgements第131-132页

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