Study On Urban Landscape Green Space Planning Based On The Ecological Service Value And SBE

The urban green space is the main ecological service system of the city,and the urban landscape green space not only reflects the ecological style of a city,but also reflects the cultural style of a city.However,in recent years,with the rapidly development of social economy and continuous deepening of the urbanization.The contradiction between human and land aggravating,city industrial pollution,serious traffic congestion and pollution in the city life that leads to dirty,disorderly and poor in city ecological environment and human environment deterioration,seriously affect the quality of life of citizen.Faced with the important task of building a national ecological civilization demonstration city,It’s particularly important for Guiyang to landscape reasonable planning.Firstly,we using the market value method,shadow engineering method,carbon tax,alternative engineering method and opportunity cost method,value calculation method,analysis method,cost method to calculate the ecological service value and SBE to calculate the degree of beauty;Then using the AHP analytic hierarchy process to set up the index system of ecological service value and beauty,and according to the weight of the ecosystem service value and beauty value weighted calculation,then obtains the coupling degree and coupling coordination between the two,analyzing their relation of mutual support and mutual influence;Finally,according to the results of the study and the specific conditions of the study areas,analyzes the SWOT of the landscape green space planning in the study areas,finally puts forward the optimization strategies.Through the study of the calculation results,the following conclusions are drawn:(1)In the carst mountainous area city,maintaining biodiversity and soil conservation ecological service function of the green landscape ecological system is the most obvious,the wetland landscape ecosystem service value is the largest,and most road greenbelt’s has the lowest ecological service value.(2)Overall,the landscape SBE of the study areas is in a general level,showed that the overall landscape of Guiyang green space planning should be improved.In particular,it is essential to further improve the ecological benefits and landscape effects of the most common road landscape green space which residents most contact in the daily life.(3)The Huaxi Wetland Park has the highest ecological service value and highest degree of coupling,the ecological and aesthetic effects are also the best.While Jinyang North Road is the worst,reflecting Guiyang’s road landscape is not perfect,good ecological landscape ecological effect can be used as the focus of road greening.(4)The main service object of urban green space is the public,so in the planning of landscape green space,we must give full consideration to "people-oriented".According to the degree of SBE,it is found that the preference of the residents to the urban landscape green space is in favor of which both have plants and water,in harmony with the surrounding natural environment and well-designed.