| Abstract | 第1-7页 |
| 摘要 | 第7-9页 |
| Table of Contents | 第9-10页 |
| Chapter 1 INTRODUCTION | 第10-18页 |
| ·Background | 第10-16页 |
| ·Functions of AM fungi on plant community | 第11-13页 |
| ·Influence of fertilization on plant community | 第13-14页 |
| ·Effects of interaction of fertilization and AM fungi on plant community | 第14-15页 |
| ·Effects of plant diversity on the functions of AM fungi and fertilization | 第15-16页 |
| ·Aims and questions | 第16-18页 |
| Chapter 2 MATERIALS AND METHODS | 第18-22页 |
| ·Study site descriptions | 第18页 |
| ·Experimental design | 第18-20页 |
| ·Sampling and data collection | 第20页 |
| ·Determination of plant nutrients | 第20页 |
| ·Measurements of extra-radical hyphae density of AM fungi | 第20-21页 |
| ·Data analysis | 第21-22页 |
| Chapter 3 RESULTS | 第22-41页 |
| ·Effects of benomyl application on extra-radical hyphae density | 第22-24页 |
| ·Change in extra-radical hyphae density in the low plant diversity community | 第22-23页 |
| ·Change in extra-radical hyphae density in the high plant diversity community | 第23-24页 |
| ·Effects of AM fungi and fertilization on the productivity of plant community | 第24-28页 |
| ·Effects of AM fungi and fertilization on the diversity of plant community | 第28-33页 |
| ·Change in plant abundance in the low and high plant diversity community | 第28-31页 |
| ·Change in plant diversity in the low and high plant diversity community | 第31-33页 |
| ·Effects of AM fungi and fertilization on plant nutrient | 第33-41页 |
| ·Change in plant nitrogen in the low and high plant diversity community | 第34-37页 |
| ·Change in plant phosphorus in the low and high plant diversity community | 第37-41页 |
| Chapter 4 DISCUSSION AND CONCLUSIONS | 第41-48页 |
| REFERENCES | 第48-57页 |
| ACKNOWLEDGMENTS | 第57页 |
