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过度放牧与轻度放牧下蒙古草原植被土壤及社会经济研究

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

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