基于GIA的深圳市綠地生態(tài)網(wǎng)絡(luò)構(gòu)建研究
[Abstract]:Urban green space ecological network is an effective way to solve the problem of habitat fragmentation caused by rapid urbanization and ensure urban ecological security. This paper chooses urban green space ecological network as the research object, in order to explore the new trend of thought of resource protection changing from traditional passive adaptation to active defense under the two-way demand of limited supply of land resources, coordination of resource protection and utilization. How to reasonably construct a multi-level and multi-objective ecological network framework that can control and guide the rational development of the city to meet the comprehensive requirements of. Green infrastructure accessment (GIA) as the product of this new trend of thought, It integrates conservation biology and landscape ecology into the field of planning, in the planning scale, flexible control, coordination and guidance, it is the core technical means of green infrastructure planning, which takes the improvement of conservation efficiency as the guiding principle, and it integrates conservation biology and landscape ecology into the field of planning. Connectivity has obvious comprehensive advantages and becomes the basic technology platform for the construction of elastic and efficient integrated green space ecological network. Using GIA as the technical method system and constructing the network at the domain level of Shenzhen City, the existing problems of the present green space ecosystem in Shenzhen can be solved, and the optimization technology method itself can be adjusted at the same time. Through the GIS platform, the effective integration and spatial analysis of multi-source data are realized, and the quantifiable data information of greenbelt ecological network is generated. It mainly includes three levels: the whole green space ecological network is constructed through the identification of ecological elements; Through the ecological importance evaluation of the multi-level elastic green ecological network and the human recreation factor after the realization of the multi-objective comprehensive green space ecological network. Based on the comparison and analysis with the present green space ecosystem in Shenzhen City, a network construction strategy with practical application value is put forward, including the optimization of the connectivity of the overall landscape pattern. In order to improve the protection efficiency of limited ecological resources, the priority grade of network protection is divided and the potential value of the internal resources of green space is reasonably excavated in order to improve the protection efficiency of limited ecological resources. This study is of theoretical significance to the construction of urban green space ecological network in China. It is also of practical significance to verify the feasibility of the method so as to provide a model for other cities to build a reasonable ecological network.
【學(xué)位授予單位】:哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類(lèi)號(hào)】:TU985.2
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