中国城市绿色发展水平评价及时空演变分析
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1.江西财经大学经济学院/宁波财经学院金融与信息学院;2.江西财经大学经济学院;3.南昌工程学院经济贸易学院

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Evaluation and spatiotemporal evolution of urban green development level in China
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1.College of Finance and Information, Ningbo University of Finance and Economics;2.School of Economics, Jiangxi University of Finance and Economics,Nanchang,China;3.School of Economics and Trade,Nanchang Institute of Technology,Nanchang,China

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    摘要:

    城市绿色发展是实现高质量发展的内在要求,科学评价城市绿色发展水平,把握绿色发展水平的时空演变特征是相关领域研究的前提和基础。基于2003—2019年中国286个地级及以上城市的面板数据,从绿色生产、绿色生态和绿色生活三个方面构建城市绿色发展水平评价指标体系,测算中国城市绿色发展水平,然后通过空间相关分析、热点分析、Dagum基尼系数分解等方法揭示城市绿色发展水平的时空演变特征。结果表明:(1) 中国城市绿色发展水平在稳步提升,但仍有很大提升空间。(2) 绿色生产指数、绿色生态指数和绿色生活指数逐年增长,平均增长率分别为2.67%、4.61%、1.66%。绿色生态指数对城市绿色发展水平的提升贡献最大,其次是绿色生活指数,绿色生产指数最低,直接拉低了城市绿色发展水平。(3) 中国城市绿色发展水平呈现典型的高–高集聚与低–低集聚的正向空间相关。热点区域集中在广东省之外的东部沿海和中部城市。(4) 中国城市绿色发展水平的总体差异、区域内及区域间差异均呈现下降趋势,其中区域间差异是总体差异产生的主要来源。

    Abstract:

    Urban green development is the internal requirement to achieve high quality development. It is the premise and basis of relevant research to evaluate the level of urban green development scientifically and grasp the spatiotemporal evolution characteristics of green development level. First, based on the panel data of 286 cities at prefecture level and above in China from 2003 to 2019, this study constructed the evaluation index system of urban green development level from three aspects including green production, green ecology and green living, to estimate the green development level of the Chinese cities. Second, this study reveals the spatial and temporal evolution characteristics of urban green development level by spatial correlation analysis, hot spot analysis, Dagum Gini coefficient decomposition and other methods. The following results are obtained. (1) The level of green urban development in China is steadily improving, but there is still much room for improvement. (2) The green production index, green ecological index and green living index increased year by year during 2003-2019, with average growth rates of 2.67%, 4.61% and 1.66%, respectively. The green ecological index contributes the most to the improvement of urban green development level, followed by the green living index. The green production index is the lowest, directly dragging down the level of urban green development. (3) The level of urban green development in China presents a typically positively spatial correlation with high-high agglomeration and low-low agglomeration. The hot spots are concentrated in the eastern coastal and central cities except Guangdong Province. (4) The overall, intra-regional and inter-regional differences in the level of urban green development in China show a downward trend. Among them, inter-regional differences are the main source of overall differences.

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杨新梅,黄和平,周瑞辉.中国城市绿色发展水平评价及时空演变分析.生态学报,,(). http://dx. doi. org/[doi]

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