| 中文摘要 | 第7-9页 |
| Abstract | 第9-11页 |
| Chapter 1 Literature Review | 第12-28页 |
| 1.1 Coastal wetlands and nitrogen cycle | 第13-18页 |
| 1.1.1 Characteristics of coastal wetlands | 第13-14页 |
| 1.1.2 Nitrogen cycle in coastal wetlands | 第14-18页 |
| 1.2 Reclamation activities in coastal wetlands | 第18-21页 |
| 1.2.1 Reclamation activities in foreign countries | 第18-19页 |
| 1.2.2 Reclamation activities in China | 第19-21页 |
| 1.3 Effects of reclamation on coastal wetlands | 第21-28页 |
| 1.3.1 Effects of reclamation on soil of coastal wetlands | 第21-22页 |
| 1.3.2 Effects of reclamation on plant of coastal wetlands | 第22-23页 |
| 1.3.3 Effects of reclamation on animal of coastal wetlands | 第23-25页 |
| 1.3.4 Effects of reclamation on nitrogen circulation of coastal wetlands | 第25-28页 |
| Chapter 2 Research objectives and contents | 第28-37页 |
| 2.1 Study subjects and areas | 第29-33页 |
| 2.2 Scientific questions | 第33-34页 |
| 2.3 Research contents | 第34-35页 |
| 2.4 Research objectives | 第35-36页 |
| 2.5 Research clues | 第36-37页 |
| Chapter 3 Effects of reclamation on soil physical and chemical properties in coastal wetlands | 第37-58页 |
| 3.1 Introduction | 第38-39页 |
| 3.2 Materials and methods | 第39-41页 |
| 3.2.1 Study area and experimental design | 第39页 |
| 3.2.2 Sample collection and analysis | 第39-40页 |
| 3.2.3 Statistical analysis | 第40-41页 |
| 3.3 Results | 第41-56页 |
| 3.3.1 Soil physical and chemical properties | 第41-53页 |
| 3.3.2 Relationship among soil physio-chemical properties | 第53-56页 |
| 3.4 Discussion | 第56-58页 |
| Chapter 4 Effects of reclamation on soil nitrogen forms and distribution in coastal wetlands | 第58-83页 |
| 4.1 Introduction | 第59-60页 |
| 4.2 Materials and methods | 第60-63页 |
| 4.2.1 Study area and experimental design | 第60-61页 |
| 4.2.2 Sample collection and analysis | 第61-63页 |
| 4.2.3 Statistical analysis | 第63页 |
| 4.3 Results | 第63-81页 |
| 4.3.1 Soil nitrogen forms and distribution | 第63-75页 |
| 4.3.2 Soil nitrogen storage | 第75-77页 |
| 4.3.3 Relationship between soil nitrogen and physio-chemical properties | 第77-81页 |
| 4.4 Discussion | 第81-83页 |
| Chapter 5 Variations in soil nitrogen mineralization responding to reclamation in coastal wetlands | 第83-97页 |
| 5.1 Introduction | 第84-85页 |
| 5.2 Materials and methods | 第85-88页 |
| 5.2.1 Study area and experimental design | 第85-86页 |
| 5.2.2 Sample collection and analysis | 第86-87页 |
| 5.2.3 Statistical analysis | 第87-88页 |
| 5.3 Results | 第88-95页 |
| 5.3.1 Soil nitrogen net mineralization rate, nitrification rate and ammonification rate | 第88-93页 |
| 5.3.2 Impact factors on soil nitrogen mineralization | 第93-95页 |
| 5.4 Discussion | 第95-97页 |
| Chapter 6 Impacts of reclamation on plant biomass and nitrogen storage of coastal wetlands | 第97-112页 |
| 6.1 Introduction | 第98-99页 |
| 6.2 Materials and methods | 第99-101页 |
| 6.2.1 Study area and experimental design | 第99页 |
| 6.2.2 Sample collection and analysis | 第99-100页 |
| 6.2.3 Statistical analysis | 第100-101页 |
| 6.3 Results | 第101-110页 |
| 6.3.1 Plant biomass | 第101-105页 |
| 6.3.2 Plant nitrogen concentration and storage | 第105-108页 |
| 6.3.3 Relationship between plant biomass and soil physio-chemical properties | 第108-110页 |
| 6.4 Discussion | 第110-112页 |
| Chapter 7 Nitrogen cycling of plant-soil systems in response to reclamation in coastal wetland | 第112-127页 |
| 7.1 Introduction | 第113-114页 |
| 7.2 Materials and methods | 第114-117页 |
| 7.2.1 Study sites | 第114-115页 |
| 7.2.2 Study methods | 第115-117页 |
| 7.2.3 Statistical analysis | 第117页 |
| 7.3 Results | 第117-126页 |
| 7.3.1 Nitrogen distribution in compartments of three typical plant-soil systems in response to reclamation | 第117-120页 |
| 7.3.2 Effects of reclamation on characteristics of nitrogen cycle in different plant-soil systems | 第120-122页 |
| 7.3.3 Nitrogen cycling model of three typical plant-soil systems in response to reclamation | 第122-126页 |
| 7.4 Discussion | 第126-127页 |
| Chapter 8 Conclusions, innovations and prospects | 第127-132页 |
| 8.1 Conclusions | 第129-130页 |
| 8.2 Innovations | 第130-131页 |
| 8.3 Prospects | 第131-132页 |
| 8.3.1 Prolonging experimental duration | 第131页 |
| 8.3.2 Carrying out more studies on gaseous nitrogen | 第131页 |
| 8.3.3 Strengthening the research on carbon-nitrogen interactions | 第131-132页 |
| References | 第132-147页 |
| 博士学习期间撰写、发表论文及其它科研成果 | 第147-149页 |
| 致谢 | 第149-150页 |
