Research On The Protection And Development Of Modern Urban Green Space System In Changchun

Changchun is located in the core area of Jilin Province and northeast economic zone.Its main function has been upgraded from an agricultural city to a regional central city.The whole process has experienced more than 200 years,which is divided into four stages.In this long process,from "garden city" to "green livable forest city",Changchun green space system layout fully reflects the basic track of the development of human living environment Green space system planning ideas.The city planning during the Japanese occupation period,the urban planning was based on the framework of green space.On the basis of fully respecting the historical context and the current situation at that time,we can see the development trend of urban green space system in China from the change process of Changchun City.In this paper,Changchun green space system planning changes and development as the object,using the literature,summary method and field method,combined with the development and evolution process of comparing the development of city green space system planning theory at home abroad and changes of Changchun green space system in different periods and different contents,from the research depth and space breadth to expand the green spaces system plan theory it summarizes the development context strategy of Changchun green space system.