声明
摘要
Abstract
Contents
LIST OF FIGURES
LIST OF TABLES
Abbreviation
CHAPTER Ⅰ:INTRODUCTION
1.1 General background and research motivation
1.2 Objectives
CHAPTER Ⅱ:LITERATURE REVIEW
2.1 Soil erosion
2.2 Land use type and soil erosion
2.3 Slope and soil erosion
2.4 Sediment budget
2.5 Fallout radionuclides(FRNs) as tools in soil erosion tracer
CHAPTER Ⅲ:METHODS AND MATTEIUALS
3.1 Research approach
3.2 Study area
3.3 Data and tools used
3.4 Field sampling
3.4.1 Land use type classification
3.4.2 Sampling strategy at the land use types
3.4.3 Soil sampling transects and points
3.4.4 Soil sampling at the reference sites
3.5 137Cs determination and analysis
3.6 Soil erosion estimated on farm land
3.7 Soil erosion estimated on uncultivated land
3.8 Statistical analysis
3.9 Determination of SOC content
CHAPTER Ⅳ:RESULTS AND DISCUSSION
4.1 137Cs level in the reference site
4.2 137Cs level in the land use types
4.3 Soil erosion rate at different land use types
4.4 Statistical analysis
4.5 SOC content at different land use types
CHAPTER Ⅴ:CONCLUSION AND RECOMMENDATION
5.1 Conclusion
5.2 Recommendations
References
Acknowledgements