摘要
构建生态系统服务功能价值指数、经济发展指数及社会效益指数概念,运用全排列多边形图示指标法对杭州市2005-2014年城市绿地生态系统服务功能价值进行评估,并且计算出生态服务功能可持续性发展综合指数。结果表明:2005-2014年间杭州市城市绿地生态系统服务功能总价值由1 440.67×10~6元增加至2 463.22×10~6元;10a间杭州市生态服务功能可持续性发展综合指数分别为0,0.008,0.107,0.341,0.105,0.781,1.020,0.834,0.772,0.836,可持续发展能力逐年提升呈波动变化,大体呈现先增后减趋势;生态服务功能价值指数(I_(ESE))、经济发展指数(I_(ED))、社会效益指数(I_(SB))之间可以用线性方程S=0.912I_(ESE)-0.742I_(ED)+0.431I_(SB)-0.084表征。
Based on the concepts of ecological services value index(I_(ESE)), economic development index(I_(ED))and social benefit index(I_(SB)), the research used the method of entire-array-polygon diagram index to evaluate the ecological services value of urban green area in Hangzhou between 2005 and 2014 and calculate the comprehensive index of sustainable development of ecological service. The results showed that the total ecological services value of urban green space system in Hangzhou had increased from 1 440.67 ×10~6RMB in 2005 to 2 463.22×10~6RMB in 2014; the annual comprehensive indexes of sustainable development of ecological service in these ten years were 0, 0.008, 0.107, 0.341, 0.105, 0.781, 1.020, 0.834, 0.772 and 0.836 respectively. The ability of sustainable development had been fluctuating, showing the trend of increasing first and then decreasing. The relationship among ecological services value index(I_(ESE)), economic development index(I_(ED)) and social benefit index(I_(SB)) could be described in linear equation: S=0.912I_(ESE)-0.742I_(ED)+0.431I_(SB)-0.084.The assessment of the ecological services value of urban green area and the research on sustainable development in Hangzhou will provide reference for optimizing the pattern of urban green space, and sustainable and coordinated development of ecology and economy.
引文
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