[1]钟业喜,吴青青,吴思雨,等.生态安全约束下环鄱阳湖生态城市群空间格局演变研究[J].江西师范大学学报(自然科学版),2021,(05):530-538.[doi:10.16357/j.cnki.issn1000-5862.2021.05.12]
　ZHONG Yexi,WU Qingqing,WU Siyu,et al.The Spatial Pattern Evolution of the Eco-Urban Agglomeration Around Poyang Lake Under the Constraint of Ecological Security[J].Journal of Jiangxi Normal University:Natural Science Edition,2021,(05):530-538.[doi:10.16357/j.cnki.issn1000-5862.2021.05.12]
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生态安全约束下环鄱阳湖生态城市群空间格局演变研究()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年05期
页码:
530-538
栏目:
出版日期:
2021-10-10

文章信息/Info

Title:
The Spatial Pattern Evolution of the Eco-Urban Agglomeration Around Poyang Lake Under the Constraint of Ecological Security
文章编号:
1000-5862(2021)05-0530-09
作者:
钟业喜1; 吴青青1; 吴思雨1; 毛炜圣2
1.江西师范大学地理与环境学院/区域发展研究院,江西 南昌 330022; 2.华东师范大学城市与环境学院,上海 200241
Author(s):
ZHONG Yexi1; WU Qingqing1; WU Siyu1; MAO Weisheng2
1.School of Geography and Environment,Institute of Regional Development,Jiangxi Normal University,Nanchang Jiangxi 330022,China; 2.School of Urban and Regional Science,East China Normal University,Shanghai 200241,China
关键词:
生态安全约束;  障碍度模型;  改进引力模型;  时空演变特征;  环鄱阳湖生态城市群
Keywords:
ecological security constraints;  the obstacle model;  the improved gravity model;  the eco-urban agglomeration around Poyang Lake
分类号:
F 301.24
DOI:
10.16357/j.cnki.issn1000-5862.2021.05.12
文献标志码:
A
摘要:
基于改进引力模型和PSR模型探究了2008—2018年在生态安全约束下环鄱阳湖生态城市群时空演化格局,通过障碍度模型分析最大障碍因子,结果表明:(i)环鄱阳湖生态城市群整体生态安全处于风险级,地域分异特征明显,形成以鄱阳湖为中心向四周递减的生态安全格局;(ii)生态安全障碍度总体呈减小态势,各个城市最大障碍因子多数集中在压力要素层,且障碍度较高的市辖区的最大障碍因子障碍度普遍偏高,且稳定性最为明显;(iii)经济引力不断增强,但内部差异逐渐增大,呈“向心性”发展,“廊道效应”明显; 生态引力呈摊饼式“团块状”展开,小组团逐渐连接向集中连片发展; 2种引力存在较大的差异,且不和谐程度问题具有“马太效应”.
Abstract:
Based on the improved gravity model and PSR model,the spatial and temporal evolution pattern of ecological urban agglomeration around Poyang Lake under the constraint of ecological security during 2008—2018 is explored,and the biggest obstacle factor is analyzed by the obstacle degree model.The results show that the overall ecological security of the eco-urban agglomeration around Poyang Lake is at the risk level,and the regional differentiation is obvious,forming an ecological security pattern of decreasing from the center to the periphery of Poyang Lake.The degree of ecological security obstacle is generally reduced,and most of the biggest obstacle factors in each district and county are concentrated in the pressure factor layer,and the degree of the biggest influence factors in the city district with higher obstacle degree is generally higher,and the stability is the most obvious.The economic gravity is increasing,but the internal differences are gradually increasing,showing "centripetal" development and obvious "corridor effect".The ecological gravity unfolds in the form of "lumpy",gradually connecting to concentrated contiguous development.There are great differences between the two kinds of gravity,and the degree of disharmony has a "Matthew effect".

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备注/Memo

备注/Memo:
收稿日期:2021-05-19
基金项目:国家自然科学基金(41961043)和江西省高校研究生创新基金(YC2020-S151)资助项目.
作者简介:钟业喜(1973—),男,江西赣州人,教授,博士,博士生导师,主要从事经济地理与空间规划研究.E-mail:zhongyexi@126.com
更新日期/Last Update: 2021-10-10