徐州市泉山区城市绿地供给公平评价与优化布局研究

IF 0.6 4区环境科学与生态学 Q4 ECOLOGY

Applied Ecology and Environmental Research Pub Date : 2023-01-01 DOI:10.15666/aeer/2103_21572171

H. Xu, H. Qin, H. Li, Z. Zhu

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引用次数: 0

摘要

．本研究以徐州市泉山区为研究对象，首先采用两步浮动集水区面积法评价绿地供给水平;利用基尼系数和洛伦兹曲线评价城市绿地空间分布的公平性;最后，分三个阶段提出了优化布局策略。结果表明:1)不同街道绿地供给差异较大，南方供给水平高于北方;有3个街道低于5.5 m2 /人的标准。(2) 453个小区的平均绿地供给为12.66 m2 /人，达68.3%的小区未达到14.6 m2 /人，其中181个小区低于5.5 m2 /人，占40.0%。③453个居民点绿地分布的基尼系数达到0.3659，接近预警水平。4)优化布局后，共增加绿地243.792 hm 2。住宅层面的基尼系数下降了31.7%，为0.2499，各街道的基尼系数均小于0.4。

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RESEARCH ON SUPPLY FAIRNESS EVALUATION AND OPTIMIZED LAYOUT OF URBAN GREEN SPACE IN XUZHOU QUANSHAN DISTRICT, CHINA

. This study takes Xuzhou Quanshan District of China as the research object, firstly, the two-step floating catchment area method was used to evaluate the green space supply level; and then, Gini coefficient and Lorentz curve were used to evaluate the spatial distribution fairness of urban green space; finally, the optimization layout strategy was put forward in three stages. The results showed that: 1) the green space supply of different sub-district varies greatly, the supply level in the south is higher than that in the north. There are three sub-districts lower than the standard of 5.5 m 2 /person. 2) The average supply of green space in 453 residential areas is 12.66 m 2 /person, as many as 68.3% of the residential areas did not meet the 14.6 m 2 /person, of which 181 residential areas were less than 5.5 m 2 /person, accounting for 40.0% of the total. 3) The Gini coefficient of the distribution of green space in 453 residential areas has reached 0.3659, which is close to the warning level. 4) After the optimization layouts, a total of 243.792 hm 2 of green space was added. The residential-level Gini coefficient was reduced by 31.7% to 0.2499, meanwhile the Gini coefficient of each sub-district was less than 0.4.

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来源期刊

Applied Ecology and Environmental Research ECOLOGY-ENVIRONMENTAL SCIENCES

CiteScore

1.40

自引率

14.30%

发文量

104

审稿时长

14 months

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