Research On Service Efficiency Of Urban Park Green Space In Shanghai Central City

Green space is the only ecosystem area that is close to nature in the city.It has an irreplaceable function in improving the urban ecological system and meeting the residents' recreation,pysical and mental health,etc.The service level of green space can integrate a variety of factors to evaluate the service capability of it,which will reveal the utilization degree and reflect the spatial distribution of the value of it.The service level of green space is a significant reference factor to measure the living quality of a city and the harmonious relationship between human and nature.In this paper,I analyze the service level of Shanghai city's green space from two aspects:the accessibility and the service efficiency,to objectively understand the present situation of Shanghai city's green space construction and distribution.Combining the analysis result and the related planning of Shanghai city's green space system,I put forward the optimization strategy from the angle of planning.Thesis is mainly divided into the following five parts:The first part introduces the backgrounds,significance,purposes,contents,innovations and defines the research objects.By reviewing relevant research literature in our country and abroad to understand the research dynamic,master related theories and methods,and determine the framework and technical route of this study.The second explains the conception,classification and function of green space first.Then,summarize the accessibility and service efficiency,the two aspects of the service level of green space.Then the evaluation parameters and analysis steps of accessibility and the evaluation indexes of service efficiency were expounded in detail.The thrid part introduces the basic situation of Shanghai city.By unscrambling the history of the construction of Shanghai city's green space and related planning to understand the development direction and construction requirement of it.The fourth part is a case study on the service level of urban park green space in Shanghai.Combined with the buffer zone analysis and the nearest distance analysis of urban park green accessibility analysis,combined with residential land and population distribution data analysis of urban park green service efficiency.The fifth part draws the conclusion: First of all,the service efficiency of urban space park shows the circle structure with inner circle and middle circle as the critical line;Secondly,in 2010,the service efficiency of population decreased The distribution of green space is the same,especially the distribution center of the park green space and the population center of gravity is the same;Finally,the green space of the park is the same as the population center;From the service population(area)ratio and the proximity of the two dimensions to analyze the two perspectives each other and different evidence.