The Ecological Idea of the School of Naturalists and Its Historical Position;

This paper analyses the origin of urban problems, discusses the importance of ecological idea in sustainable development, puts forward proposal and methods to solve the conflict between development and protection.

Impacts of ecological concepts on architectural design;

Government's responsibility in the game between ecological balance and social development;

Relations retween exploitation-utilization of water resources and oasis evolution and ecological balance in tarim Basin;

Finding out the problems in protecting ecological environment and the research & maintenance of ecological balance with scientific outlook can develop the scientific and democratic spirit of students.