为了更好地度量和分析长三角城市群生态足迹时空动态及其自然资本利用效率,基于“国家hm2”对生态足迹模型参数进行修正,测算和分析长三角城市群2006—2016年人均生态足迹时空动态变化,在此基础上通过单位万元GDP生态足迹(WEF)对研究区自然资本利用效率进行了评价与分析。结果 表明:2006—2016年长三角城市群26个城市人均生态足迹在在时间序列上均呈现上升趋势; 在自然资本利用效率方面,2006—2016年长三角城市群26个城市各自的单位万元GDP生态足迹指数均呈现下降趋势,这表明近10年来,长三角城市群各城市对自然资本的利用效率在逐年增大。针对研究结果,研究区可以从能源结构优化,大力发展绿色循环经济以及对生态环境影响小的产业,加强研究区内的产业结构进行转型升级等角度着手,促进区域可持续发展目标的实现。
In order to better measure and analyze the spatial and temporal dynamics of ecological footprint and the utilization efficiency of natural capital of the urban agglomeration in Yangtze River Delta. Based on the ‘national hectare', the parameters of ecological footprint model were revised, and the spatial and temporal changes of per capita ecological footprint in urban agglomeration of the Yangtze River Delta from 2006 to 2016 were calculated and analyzed. On this basis, the utilization efficiency of natural capital in the study area was evaluated and analyzed through the ecological footprint per unit of 10 000 yuan GDP(WEF). The results show that the per capita ecological footprint of 26 cities in the urban agglomeration of Yangtze River Delta showed the upward trend in the time series from 2006 to 2016, and the per capita GDP ecological footprint index of 26 cities in the urban agglomeration of Yangtze River Delta showed a downward trend from 2006 to 2016, which indicates that in the past 10 years, the utilization of natural capital by cities in the urban agglomeration of Yangtze River Delta has been declining. The efficiency was increasing year by year. According to the research results, in order to achieve the sustainable development of the region, the energy structure should be optimized, the green economy and industries with small environmental impact should be vigorously developed, and the transformation and upgrading of the industrial structure should be strengthened in the study area.
