| 中文摘要 | 第1-5页 |
| Abstract | 第5-9页 |
| Chapter One Introduction | 第9-12页 |
| Chapter Two Theoretical Foundation | 第12-19页 |
| ·Birth of Ecolinguistics | 第12-13页 |
| ·Studies on Ecolinguistics | 第13-14页 |
| ·Studies on Language planning | 第14-16页 |
| ·Language Policy and Planning:from Ecological Perspective | 第16-19页 |
| Chapter Three Language Diversity | 第19-31页 |
| ·From Biological Diversity to Linguistic-Diversity | 第19-24页 |
| ·Continuity | 第21-22页 |
| ·Change | 第22-23页 |
| ·Extinction | 第23-24页 |
| ·Languages in China | 第24-27页 |
| ·Continuity and Change of Languages in China | 第24-25页 |
| ·Distribution of Chinese Dialects | 第25-27页 |
| ·Minority Language in China | 第27-31页 |
| ·Distribution of Minority Languages in China | 第27-29页 |
| ·Minority Languages endangerment in China | 第29-31页 |
| Chapter Four An Empirical Study of Minority Language | 第31-45页 |
| ·Methodology | 第31-36页 |
| ·Research Design | 第31-32页 |
| ·Research Procedures | 第32-34页 |
| ·Subjects | 第34-35页 |
| ·The Phase of Research | 第35-36页 |
| ·Results | 第36-38页 |
| ·Endangerment and Preservation of Minority Languages | 第36-37页 |
| ·Language Use Reality of Ethnic Groups | 第37-38页 |
| ·Attitude towards the inter-relationship for the ethnic group among the mother tongues,Putonghua,and exported language | 第38页 |
| ·Attitude toward Language Choices for Ethnic Group | 第38页 |
| ·Analysis of the data | 第38-45页 |
| ·Main Reason of Endangerment and important element for Preservation of Minority Languages | 第38-39页 |
| ·Language Reality for the Students from Ethnic Group | 第39-42页 |
| ·Attitudes toward the Inter-relationship among the Putonghua,English and mother tongues | 第42-44页 |
| ·contrast Data on the Attitude toward Language Choices for Ethnic Group | 第44-45页 |
| Chapter Five Measures for the Preservation of Minority Languages | 第45-49页 |
| ·Motivation to preserve the Minority Languages | 第45页 |
| ·Tasks for Linguists,Educators and Activists | 第45-47页 |
| ·Tasks for Policy-makers | 第47-49页 |
| ·Policy towards Minorities | 第47-48页 |
| ·Policy for Protection and Fostering of Traditional Minority Cultures and Languages | 第48-49页 |
| Chapter Six Conclusion | 第49-51页 |
| Appendix | 第51-58页 |
| Bibliography | 第58-61页 |
| Acknowledgements | 第61页 |
