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Some key points of restoration ecology Problems and outlook of quality evaluation of Chinese materia medica under guidance of modern scientific thinking Forest site study in the world-its present and future Indicator System for Social Forestry Assessment and Its Type Classification in Gansu Province Fluorescence in Situ Hybridization and Its Application in Plant Research Ethnobotany:Development Dynamics of the Discipline and Prospects Problems and trends of long-term ecological research Development trend of Gansus ecological footprint and ecological capacity Study on assessing methods for the sustainable development trend of agroecosystem‘s Study on the Mechanism of Maintaining Long-term Productivity of Plantation:Background,Present Condition and Trends