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本書從生態學、濕地科學、分子生態學及生態模型等角度，全面系統地闡釋中國特有濕地甲烷排放及其相關過程。全書共分6章，第一章闡述了甲烷及濕地甲烷排放的機理和常識，包括甲烷作為重要溫室氣體的原因(第一節)、濕地甲烷排放過程(第二節)、濕地作為重要的甲烷源(第三節)、我國濕地甲烷研究現狀(第四節)等；第二章系統介紹我國特有的若爾蓋高原濕地甲烷排放系統，包括若爾蓋濕地甲烷排放的晝夜動態、季節動態、年際動態以及其不同尺度的空間異質性；第三章系統我國特有的三峽水庫水面及消落帶甲烷排放的特征；第四章介紹若爾蓋濕地甲烷軍群落及其結構的特征；第五章整合分析了我國稻田、自然濕地及湖泊甲烷排放並對我國這三個甲烷源重新估計；第六章提供了濕地甲烷模型及其驗證。
Chapter 1 Methane is an Important Greenhouse Gas
1.1 Methane as an Important Greenhouse Gas
1.2 Methane Emission Processes in Wetlands
1.3 Wetlands as an Important Source of Methane
1.4 Briefly Advances in Studies about Methane Emissions from Wetlands in China
1.5 Zoige Alpine Wetlands and Methane Emissions
1.6 Three Gorges Reservoir and Methane Emissions
1.7 Objectives
References
Chapter 2 Methane Emissions from Zoige Alpine Wetlands
2.1 Diurnal Variation of Methane Emissions from an Alpine Wetland
2.1.1 Introduction
2.1.2 Materials and Methods
2.1.3 Results
2.1.4 Discussion
2.1.5 Conclusions
2.2 Determinants Influencing Seasonal Variations of Methane Emissions from Alpine Wetlands in Zoige Plateau and Their Implications
2.2.1 Introduction
2.2.2 Materials and Methods
2.2.3 Results
2.2.4 Discussion
2.2.5 Conclusions
2.3 Spatial Variations on Methane Emissions from Zoige Alpine Wetlands
2.3.1 Introduction
2.3.2 Materials and Methods
2.3.3 Results
2.3.4 Discussion
2.3.5 Conclusions
2.4 Methane Effluxes from Littoral Zone of a Lake on Qinghai—Tibetan Plateau
2.4.1 Introduction
2.4.2 Materials and Methods
2.4.3 Results
2.4.4 Discussion
2.5 Methane Fluxes from Alpine Wetlands of Zoige Plateau in Relation to Water Regime and Vegetation under Two Scales
2.5.1 Introduction
2.5.2 Materials and Methods
2.5.3 Results
2.5.4 Discussion
2.5.5 Conclusions
2.6 Inter—annual Variations of Methane Emission from an Open Fen on Qinghai—Tibetan Plateau： a Three—year Study
2.6.1 Introduction
2.6.2 Materials and Methods
2.6.3 Results
2.6.4 Discussion
References
Chapter 3 Methane Emissions from Three Gorges Reservoir
3.1 Methane Emissions from Newly Created Marshes in Drawdown Area of Three Gorges Reservoir
3.1.1 Introduction
3.1.2 Materials and Methods
3.1.3 Results
3.1.4 Discussion
3.2 Methane Emissions from Surface of Three Gorge Dam Reservoir
3.2.1 Introduction
3.2.2 Materials and Methods
3.2.3 Results and Discussions
References
Chapter 4 Methanogens and Methanogensis in Zoige Wetlands
4.1 Methanogenic Communities in Zoige Wetlands
4.1.1 Methanogenic Communities Composition in Zoige Wetlands
4.1.2 New Methanogenic Species in Zoige Wetlands
4.2 Influencing Factors of Methanogenic Community Structure in Zoige Wetlands
4.2.1 Vegetation Type
4.2.2 Temperature
4.2.3 Declining Precipitation
References
Chapter 5 Methane Emissions from Rice Paddies， Natural Wetlands and Lakes in China
5.1 CH4 Emission Rates from Rice Paddies in China
5.1.1 Rice Cultivation in China and Overview of Its CH4 Emission Estimates
5.1.2 CH4 Emissions from Rice Paddies in China
5.2 CH4 Emission Rates from Natural Wetlands in China
5.2.1 Natural Wetlands in China and Overview of Their CH4 Emission Estimates
5.2.2 CH4 Emissions from Natural Wetlands in China
5.3 CH4 Emission Rates from Lakes and Reservoirs in China
5.3.1 Lakes and Reservoirs in China and Overview of Their CH4 Emission Estimates
5.3.2 CH4 Emission Rates from Lakes and Reservoirs in China
5.4 CH4 Emission Rate Estimation
5.4.1 CH4 Emission Rate Estimation from Rice Paddies in China
5.4.2 CH4 Emission Estimation from Natural Wetlands in China
5.4.3 CH4 Emission Estimates from Lakes and Reservoirs in China
5.4.4 Total CH4 Emissions from Rice Paddies， Wetlands and Lakes in China
5.5 Limitations， Uncertainties and Future Directions
References
Chapter 6 Modelling Methane Emissions of Wetlands in China
6.1 Overview of Methane Emission Modelling
6.2 Wetland Methane Emission Model Construction
6.2.1 Integrated Biosphere Simulator and Water Table Modelling
6.2.2 Methane Module
6.3 Wetland Methane Emission Model Validation and Sensitivity Analysis
6.3.1 Sensitivity Index for Initial Sensitivity Analysis
6.3.2 Initial Sensitivity Analysis
6.3.3 Model Performance in China
References
Index
