| 摘要 | 第1-8页 |
| Abstract | 第8-13页 |
| Chapter One Introduction | 第13-15页 |
| ·The Significance of the Study | 第13-14页 |
| ·Objectives of the Thesis | 第14页 |
| ·Layout of the Thesis | 第14-15页 |
| Chapter Two Literature Review | 第15-28页 |
| ·The Origin of Ecolinguistics | 第15-17页 |
| ·Previous Study of Ecolinguistics | 第17-18页 |
| ·Principles and Research Areas of Ecolinguistics | 第18页 |
| ·Studies on Endangered Languages | 第18-24页 |
| ·Research Methods on Endangered Languages | 第24-25页 |
| ·Relative Theories in Ecology | 第25-28页 |
| ·Population Theory | 第25-26页 |
| ·Ecological Factors Theory | 第26页 |
| ·Biodiversity Theory, Linguistic Diversity and Cultural Diversity | 第26-28页 |
| Chapter Three The Definition, Status Quo and Ecological Factors Causing Language Endangerment | 第28-40页 |
| ·The Definition of Endangered Languages and Trends at Home | 第28-33页 |
| ·The Definition of Endangered Languages | 第28-30页 |
| ·The Evolution and Trends of Endangered Languages at Home | 第30-33页 |
| ·The Status Quo of Endangered Languages | 第33-35页 |
| ·Ecological Factors Causing Language Endangerment | 第35-40页 |
| ·Natural or Human Disasters | 第36页 |
| ·The Government Policy and People’s Attitudes | 第36-37页 |
| ·Migration Factor | 第37页 |
| ·Educational Factor | 第37-38页 |
| ·Other Factors Causing Language Shift | 第38页 |
| ·The Radical Factor | 第38-40页 |
| Chapter Four Linguistic and Cultural Values of Endangered Languages | 第40-51页 |
| ·Potential Linguistic Values of Endangered Languages | 第40-46页 |
| ·Potential Values in Theoretical Linguistics | 第40-41页 |
| ·Potential Values in Language Philosophy | 第41-42页 |
| ·Potential Values in Language Typology | 第42-45页 |
| ·Potential Values in Sociolinguistics | 第45-46页 |
| ·Potential Cultural Values of Endangered Languages | 第46-51页 |
| ·Important Part of Human Cultural Knowledge | 第46-47页 |
| ·Museum for the History of Mankind | 第47-48页 |
| ·Directly Reflecting the Way of Thinking | 第48-49页 |
| ·Preserving a Nation’s Identity | 第49-51页 |
| Chapter Five Strategies for Preserving Endangered Languages | 第51-59页 |
| ·People’s Attitudes and Responsibilities | 第51-53页 |
| ·Enhancing the Sense of Language Endangerment | 第52页 |
| ·Intensifying the Use Degree of Language | 第52-53页 |
| ·Establishing a Correct Concept of the Language | 第53页 |
| ·Government Implementing Appropriate Policy | 第53-56页 |
| ·Economic Policy | 第54-55页 |
| ·Implementing Language Planning and Carrying Out Bilingual Policy | 第55-56页 |
| ·Education Sectors Putting Native Language into the Educational Curriculum | 第56-57页 |
| ·Legislation of the Protection of Endangered Languages | 第57-59页 |
| Chapter Six Reflection on the Subject and Prospects of Endangered Languages | 第59-68页 |
| ·Reflections on the Study of Endangered Languages | 第59-65页 |
| ·Lack of Knowledge about the Application of Endangered Languages Research | 第59-61页 |
| ·Lack of Comprehensiveness and Social Coordination for the Study of Endangered Languages | 第61-63页 |
| ·Lack of Comprehensive Understanding of Their Role as Endangered Language Researchers | 第63-65页 |
| ·Prospects for the Study of Endangered Languages | 第65-68页 |
| ·Developing China’s Endangered Languages Road with Chinese Characteristics | 第65-66页 |
| ·Aiming at Protecting Cultural Heritage of Mankind | 第66-67页 |
| ·Taking Comprehensive Actions to Coordinate the Development of Endangered Languages | 第67-68页 |
| Chapter Seven Conclusion | 第68-70页 |
| References | 第70-74页 |
| Acknowledgements | 第74-75页 |
| 个人简历 | 第75页 |
| 发表的学术论文 | 第75页 |
