| RESUME OF THE AUTHOR | 第1-8页 |
| 摘要 | 第8-10页 |
| ABSTRACT | 第10-14页 |
| AKNOWLEDGEMENT | 第14-20页 |
| List of Abbreviations | 第20-22页 |
| Chapter 1 | 第22-33页 |
| §1.1 INTRODUCTION | 第22-23页 |
| §1.2 Target | 第23页 |
| §1.3 Objectives | 第23-24页 |
| §1.4 Significance of the study | 第24页 |
| §1.5 Rationale,scope and context of the study | 第24页 |
| §1.6 Statement of the problem | 第24-26页 |
| §1.7 Study area | 第26-33页 |
| ·Topography | 第26-27页 |
| ·Geological history | 第27-28页 |
| ·Climate | 第28-29页 |
| ·Hydrography | 第29页 |
| ·Vegetation | 第29-33页 |
| Chapter 2 LITERATURE REVIEW | 第33-64页 |
| §2.1 Introduction | 第33-36页 |
| ·C_3 and C_4 plants | 第34页 |
| ·C_4 Plants | 第34-35页 |
| ·C_3 Plants | 第35-36页 |
| §2.2 Mountainous ecosystems | 第36-37页 |
| §2.3 Phytoliths | 第37-50页 |
| ·Definition | 第37-38页 |
| ·History of phytolith analysis | 第38-40页 |
| ·How do the phytoliths form in the ground? | 第40页 |
| ·Do all plants have phytoliths? | 第40-41页 |
| ·Chemical composition | 第41-43页 |
| ·The dimensions of phytoliths | 第43页 |
| ·Phytoliths classification | 第43-44页 |
| ·Morphological Classification of Grass Phytoliths | 第44-45页 |
| ·Phytoliths in archeological research | 第45-46页 |
| ·Phytoliths' application through the world | 第46-50页 |
| §2.4 Climate change | 第50-53页 |
| ·The main causes of climate change | 第50-53页 |
| §2.5 Background of Fires | 第53-64页 |
| ·Tropical climate and fires dynamic | 第53页 |
| ·Fires in the Africa | 第53-54页 |
| ·Fires in the Southeastern(S.E)Asian | 第54-55页 |
| ·Fire Characteristics | 第55页 |
| ·Assessment on fire occurrences | 第55-64页 |
| Chapter 3 MATERIAL AND METHODS | 第64-70页 |
| §3.1 Sampling and analysis of the Holocene alluvial deposit section in the pristine valley rainforest of Menglun and Bubang,two districts of Xishuangbanna | 第65-70页 |
| ·Phytoliths sampling | 第65-68页 |
| ·Charcoal Sampling | 第68-70页 |
| Chapter 4 RESULTS | 第70-93页 |
| §4.1 Lithological features | 第70-74页 |
| §4.2 Phytolith morphotypes and classification | 第74-78页 |
| §4.3 Phytolith indices and assemblages | 第78页 |
| §4.4 Phytolith assemblages in the tropical Xishuangbanna | 第78-84页 |
| ·Menglun section(ML_3) | 第78-81页 |
| ·Bubang section (BB) | 第81-84页 |
| §4.5 Radiation carbon analysis | 第84-85页 |
| §4.6 Magnetic susceptibility | 第85-86页 |
| §4.7 Measurements of magnetic parameters at ML3 | 第86-88页 |
| §4.8 Total Organic Carbon(TOC) | 第88-89页 |
| §4.9 Chimatic indices | 第89-90页 |
| §4.10 Charcoal grain size analysis | 第90-93页 |
| Chapter 5 DISCUSSION | 第93-107页 |
| §5.1 Paleovegetation interpretation from phytolith assemblages in the past 1700 years in the tropical Xishuangbanna | 第93-99页 |
| ·Phytolith record and its paleovegetation and climatic significances for the past 1500 years in the pristine valley rain forest of Menglun (ML_3)section | 第93-96页 |
| ·The record of phytolith and its climatic significance for the past 1700 years in the pristine valley rain forest of Bubang section(BB) | 第96-99页 |
| §5.2 Interpretation of lithological features in the tropical Xishuangbanna | 第99-100页 |
| §5.3 Study of paleoclimate and Fire occurrences as revealed by SIRM,HIRM ARM and TOC during the past years 2000 in the rainforest of Menglun section | 第100-102页 |
| §5.4 Reconstruction of climate change history in the tropical Xishuangbanna rainforest | 第102-103页 |
| §5.5 Reconstruction of fire episodes in the tropical Xishuangbanna rainforest and their relationships with climate change | 第103-105页 |
| ·At Menglun section | 第103-104页 |
| ·At Bubang section | 第104-105页 |
| §5.6 Correlation beteen solar activity and climate change | 第105-107页 |
| CONCLUSION AND RECOMMENDATIONS | 第107-109页 |
| REFERENCES | 第109-120页 |
