[1]何 刚,王莹莹,阮 君,等.基于Dagum基尼系数的生态安全区域差异及收敛度研究——以淮河生态经济带安徽段为例[J].水土保持研究,2021,28(06):348-355.
　HE Gang,WANG Yingying,RUAN Jun,et al.Study on Regional Differences and Convergence of Ecological Security Based on Dagum Gini Coefficient[J].Research of Soil and Water Conservation,2021,28(06):348-355.
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基于Dagum基尼系数的生态安全区域差异及收敛度研究——以淮河生态经济带安徽段为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 28 期数: 2021年06期 页码: 348-355 栏目: 出版日期: 2021-10-10
Title:
Study on Regional Differences and Convergence of Ecological Security Based on Dagum Gini Coefficient
文章编号:
1005-3409(2021)06-0348-08
作者:
何 刚，王莹莹，阮 君，赵杨秋
(安徽理工大学 经济与管理学院，安徽 淮南 232001)
Author(s):
HE Gang，WANG Yingying，RUAN Jun，ZHAO Yangqiu
(School of Economics and Management，Anhui University of Science & Technology，Huainan，Anhui 232001，China)
关键词:
生态安全;  区域差异;  Dagum基尼系数分解;  淮河生态经济带
Keywords:
ecological security;  regional differences;  Dagum Gini coefficient decomposition;  Huaihe Eco-economic Belt
分类号:
X826
文献标志码:
A
摘要:
为了探究淮河生态经济带安徽段生态安全区域差异及其收敛性，实现各区域高质量协同发展。通过构建生态安全评价指标体系，运用熵值法对2010—2018年安徽段生态安全水平进行测度，并采用Dagum基尼系数分解法分析区域差异贡献及差异来源，利用变异系数法检验了生态安全区域差异的收敛性。结果表明:(1)2010—2018年淮河生态经济带安徽段生态安全水平呈逐年上升趋势，年均综合指数为0.259，0.265，0.299，0.447，0.345，0.323，0.432，0.478;(2)安徽段生态安全水平发展的空间差异明显，区域间差异与区域内差异对总体差异的平均贡献率分别为48.7%，46.1%;(3)淮河以北和淮河以南区域均存在σ收敛特征。总之，淮河生态经济带安徽段生态安全水平不容乐观，且区域间及区域内差异明显，提高生态安全水平，因地制宜、缩小生态安全区域差异是其主要发展方向。
Abstract:
In order to explore the regional differences and convergence of ecological security in Anhui section of Huaihe Eco-economic Belt，and realize high-quality coordinated development of each region，by constructing the evaluation index system of ecological security，entropy method was used to measure the level of ecological security in Anhui section from 2010 to 2018，and Dagum Gini coefficient decomposition method was used to analyze the contribution and source of regional differences. The convergence of regional differences in ecological security was tested by coefficient of variation method. The results show that:(1)from 2010 to 2018，the level of ecological security in Anhui section of Huaihe Eco-economic Belt kept increase year by year，and the average annual composite indices were 0.259，0.265，0.299，0.447，0.345，0.323，0.432，0.478;(2)the spatial difference of ecological security level development in Anhui section was obvious; the average contribution rate of regional difference and regional difference to the overall difference was 48.7% and 46.1%，respectively;(3)both north of Huaihe River and south of Huaihe River had σ convergence characteristics. In summary，the level of ecological security in Anhui section of Huaihe Eco-economic Belt is not optimistic，and there are obvious differences between and within regions. Therefore，the main development direction is to improve the level of ecological security，to take measures according to local conditions，and to reduce the regional differences of ecological security.

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备注/Memo

收稿日期:2020-11-23 修回日期:2020-12-30
资助项目:安徽省哲学社会科学规划项目“淮河生态经济带产业转型升级与生态环境的耦合协调发展研究”(AHSKY2019D026)
第一作者:何刚(1966—)，男，安徽淮南人，研究员，博士生导师，主要从事生态安全管理研究。E-mail:hgang0111@163.com
通信作者:王莹莹(1995—)，女，安徽合肥人，硕士研究生，研究方向为生态安全评价。E-mail:862599165@qq.com

更新日期/Last Update: 2021-10-10