DYNAMIC SIMULATION AND SUSTAINABLE ECOLOGICAL MEASURES OF OASES ECOSYSTEM IN HEXIZOULANG THEORETICAL ANALYSIS ON THE MEASUREMENT OF SUSTAINABLE DEVELOPMENT OF SOCIAL-ECONOMIC-NATURAL COMPLEX ECOSYSTEM An Approach to Sustainable Management of Population Genetic Resources of Trees Ⅰ. Relevant Theoretical Analyses of the Information on Population Genetic Variation Genetic Improvement of Forest and Sustainable Development of Forestry in China for Next Century Countermeasures of Fruit Industry Sustainable Development in Tibet Countermeasures of Fruit Industry Sustainable Development in Tibet Evaluation of important medicinal plant resources in Qinling Mountains based on analytic hierarchy process method An urban ecosystem assessment method and its application Study on sustainable development in nanjing based on ecological footprint model Transboundary protected areas as a means to biodiversity conservation The evaluation method of water resources sustainable utilization in Manas River Basin The state of Utilization and Sustainable Management of Forest Genetic Resources Ethnobotany and the Sustainable Use of Biodiversity