Abstract | 第4-5页 |
摘要 | 第6-10页 |
ABBREVIATION | 第10-11页 |
CHAPTER 1. INTRODUCTION | 第11-21页 |
1.1 Impact of climate change and grazing on the steppe in the World | 第11-12页 |
1.2 Impact of climate change and grazing on the steppe in Mongolian research area | 第12-14页 |
1.2.1 Management and grazing of pasture and future outlook | 第13-14页 |
1.2.2 Current developments along the transect in Mongolian steppe | 第14页 |
1.3 Vegetation, soil and socio-economy on the steppe in Mongolian | 第14-18页 |
1.4 Climate change and its impact on the vegetation and soil | 第18-20页 |
1.5 Relationships between the perceptions of herds about pasture land and climatechange | 第20-21页 |
CHAPTER 2. THE HABITAT AND NATURAL CONDITIONS OF RESEARCHAREA | 第21-27页 |
2.1 Natural resources and their utilization | 第21页 |
2.2 Vegetation | 第21页 |
2.3 Soil | 第21页 |
2.4 Geographical location | 第21-22页 |
2.5 Climate regime | 第22页 |
2.6 Temperature | 第22-26页 |
2.7 Climate change of the future trends | 第26-27页 |
CHAPTER 3. RESEARCHED SITES AND METHODS | 第27-37页 |
3.1 Study aim and objectives | 第27页 |
3.2 Research areaspoints | 第27-31页 |
3.3 Vegetation methods | 第31页 |
3.4 Soil methods | 第31-35页 |
3.5 Socio-economy method | 第35-36页 |
3.6 Statistical methods | 第36-37页 |
CHAPTER 4. VEGETATION OF OVERGRAZING AND LIGHT GRAZING PASTURE ALONG THE LINE FROM NORTH TO SOUTH STEPPE REGION INMONGOLIA | 第37-47页 |
4.1 Patterns of vegetation and components, where changing (from North to South) inMongolia Khentii province | 第37-44页 |
4.2 Patterns of vegetation and components, where changing (from North to South) inMongolia Sukhbaatar province | 第44-47页 |
CHAPTER 5. SOIL OF OVERGRAZING AND LIGHT GRAZING PASURE ALONGTHE LINE FROM NORTH TO SOUTH STEPPE REGION IN MONGOLIA | 第47-62页 |
5.1 Climate change, soil particle composition and distribution | 第47-51页 |
5.2 Soil reaction properties | 第51-53页 |
5.3 Soil nutrient features | 第53-55页 |
5.4 Nitrogen content of the soil | 第55-56页 |
5.5 Organic carbon content of the soil | 第56-58页 |
5.6 Dynamic and adsorbed base of the soil | 第58-62页 |
CHAPTER 6. SOCIAL-ECONOMICS OF OVERGRAZING AND LIGHT GRAZINGTHE LINE FROM NORTH TO SOUTH STEPPE REGION IN MONGOLIA | 第62-72页 |
6.1 Survey approach | 第62页 |
6.2 Relationships between the perceptions of herds on pasture land and climatechange | 第62-63页 |
6.3 Technological specifies of pasture use | 第63-65页 |
6.4 Livestock composition by types and sheep units per household | 第65-68页 |
6.5 Monthly average income of herder households | 第68-69页 |
6.6 Sufficiency of household income | 第69-70页 |
6.7 Challenges for herder households | 第70-72页 |
CHAPTER 7. DISCUSSION AND CONCLUSION | 第72-75页 |
REFERENCES | 第75-83页 |
APPENDIX | 第83-85页 |
ACKNOWLEDGEMENTS | 第85-86页 |
CURRICULUM VITAE | 第86-87页 |