A Study On The Ecological Optimization Of The Spatial Structure Of Valley-type Towns In Sichuan Tibetan Regions

This paper is a sub-project under the project of National Natural Science Foundation of China("No.51578454"),which is based on the theory of complex system theory and the ecological optimization mechanism of urban spatial structure in Sichuan Tibetan area.Because of its unique natural environment,the towns in the area have prominent regional spatial structures.Based on the realistic background of the development of the valley-type towns in the Sichuan Tibetan area,this paper investigates the spatial structure of valley-type towns in the Tibetan areas under the “natural-artificial” binary disturbance.With the aim of optimizing the integration benefits of urban space operations,an optimization strategy and an optimization path are proposed.Conduct empirical research on typical case cities and propose specific spatial structure optimization methods.Chapter 1: This chapter introduces the research background,purpose and significance of this article,determines the object and content of the study,and introduces the research methods and general ideas of the full text.Analyze the key concepts involved in the paper.The relevant research progress was combed.Chapter 2:This paper introduces the basic situation of the valley towns in the Tibetan areas of Sichuan Province,elaborates the main points of study on the spatial structure of the valley towns in the Tibetan areas of Sichuan Province.Studing the basic characteristics of the spatial structure of the valley towns in the Tibetan areas of Sichuan Province.Chapter 3:Through the combination of vertical analysis and horizontal analysis,quantitative analysis and qualitative analysis,this paper studies the characteristics of the spatial structure evolution and characteristics of the valley towns in the Tibetan areas of Sichuan Province.Chapter 4: The three major principles of ecological optimization were introduced,namely,the orientation of existing problems,the optimization in an ecological manner,and the ecological optimization of spatial structures.A methodological system for ecological optimization was constructed,including macro-level optimization strategies and meso-level optimization paths.Chapter 5: This paper chooses Jinchuan town,a typical case town in the valley town of Sichuan Tibetan area,as the research object of this paper,and proposes the concrete optimization method of the space structure.Chapter 6: Summarize the main conclusions of this paper,put forward the innovation and shortcomings of this paper.