Beauty Evaluation And Research Of Ecological Landscape In Xi’an City Parks

Urban parks are the important part of ecosystem and landscape.It has the function of maintaining ecological balance,regulating urban climate,and sightseeing,resting and enjoying for citizen.The evaluation of ecological landscape of the urban park can further understand its ecological service function.Scenic Beauty Estimation method(SBE)and Analytic Hierarchy Process(AHP)were used to evaluate the aesthetic quality of urban park’s ecological landscape respectively in this paper.The relationship between landscape aesthetics quality and landscape elements were analyzed.Finally,ecological beauty was researched,ecological benefit of parks was calculated simply.The main results of this paper are as follows:(1)Beauty values using SBE method obtained are 8.25(Qujiang pool site Park),7.10(Xi’an City Sports Park),7.39(Hancheng Lake Park),8.61(Xi’an World Expo Park)and 6.65(Xingqing Palace Park)respectively.Beauty values calculating with AHP method are 8.29(Qujiang pool site Park),7.38(Xi’an City Sports Park),7.43(Hancheng Lake Park),8.72(Xi’an World Expo Park)and 6.97(Xingqing Palace Park)respectively.The results of the two methods are basically the same.The decomposition of landscape elements is reasonable.(2)Park’s space layout,water area,water curve effect,vegetation coverage,and plant match have the largest contribution of the beauty value,the contribution of landscape elements to beauty value accounted for 36.88%,6.10%,6.10%,6.05%,6.05% respectively.The revetment type,color matching,roadway accessibility,road curve effect,number of humanistic landscape and the artistic landscape in the evaluation of the beauty were 3.73%,3.46%,3.84%,3.84%,3.36% and 3.36% respectively,The remaining landscape elements have little effect on the beauty value.(3)In the research of the parks,green land area and water area are the most important factors to affect the comprehensive ecological benefits of the parks.Xi’an World Expo Park and Hancheng Lake Park have the highest value of comprehensive ecological benefits,respectively 271.91 and 100.04.Ecological values of Qujiang pool site Park,Xingqing Palace Park and Xi’an City Sports Park are not much difference,respectively 41.68,40.02 and 30.48.Evaluation of the ecological beauty of urban parks,and achieving the unity of ecological benefits and aesthetic environment,while taking into account the urban green space ecosystem services at the same time,can make the city parks play an important role in the construction of city system and ecological civilization.