长江流域资源与环境 >> 2019, Vol. 28 >> Issue (07): 1590-1601.doi: 10.11870/cjlyzyyhj201907009

• 自然资源 • 上一篇    下一篇

城市化系统与生态系统交互耦合时空特征及协调发展预警研究——以湖南省为例

李静芝1,2,代宇涵1,赵  雯1,樊晨曦1,罗文婧1,熊  鹰1,2,张永志3,汤礼莎4   

  1. (1. 长沙理工大学建筑学院,湖南 长沙 410076; 2. 洞庭湖水环境治理与生态修复湖南省重点实验室,湖南 长沙 410114; 3. 湖南省自然资源厅,湖南 长沙 410004;4.湖南第一师范学院商学院,湖南 长沙 410048)
  • 出版日期:2019-07-20 发布日期:2019-07-25

Study on Spatial-Temporal Characteristics of Interaction Coupling Between Regional Urbanization System and Ecosystem and Early-warning of Coordinated Development: A Case of Hunan Province

LI Jing-zhi1,2, DAI Yu-han1, ZHAO Wen1, FAN Chen-xi1, LUO Wen-jing1, XIONG Ying1,2, ZHANG Yong-zhi3,TANG Li-sha4   

  1. (1.School of Architecture, Changsha University of Science & Technology, Changsha 410076, China; 2. Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, Changsha 410114, China; 3. Department of Natural Resources of Hunan Province, Changsha 410004, China;4.Business college Hunan First Normal University,Changsha 410008,China)
  • Online:2019-07-20 Published:2019-07-25

摘要: 基于“系统演进特征分析-动态耦合规律验证-协调状态诊断及预警”框架,对湖南省2001年以来的城市化系统与生态系统交互耦合时空特征进行实证分析。研究发现:(1)湖南省城市化进程加速推进,综合发展指数由2001年的0.537逐年提升至2015年的0.785,达到中高水平,市州发展悬殊仅长沙市达到高水平。(2)生态系统健康指数呈U型走势,2015年达到0.764,处亚健康状态,系统压力较大是关键性限制因素。(3)城市化系统与生态系统耦合协调度先降后升,2015年提高到0.622,处基本协调的较低水平,各市州大多处于轻度失调-基本协调临界水平,分属生态建设滞后型、城市化滞后型和结构性污染型等3种类型。(4)从系统演进看,城市化系统与生态系统由轻度失调-逆向演替逐步转为轻度失调-正向演替、进一步转为基本协调-正向演替,预计2020年耦合协调度将提高到0.633,未来较长时期仍将处绿灯区,应采取适当的区域发展政策,推动城市化系统与生态系统内部要素调整磨合,向良性发展。

Abstract: Spatial-temporal coupling characteristics of interaction between urbanization and eco-environment in Hunan since 2001 are analyzed empirically based on the framework of “analysis of system evolution characteristics-validation of dynamic coupling relationship-coordination status diagnosis and early warning”. The results show that: (1) the comprehensive development index of urbanization in Hunan Province increased from 0.537 in 2001 to 0.785 in 2015, reaching a middle and high level, and Changsha is the only city which achieves high level in 14 cities; (2) the index of ecosystem health showed a trend of U, reaching 0.764 in 2015 and in sub-health state, and greater system pressure was the key limiting factor; (3) the degree of coordination between urbanization and eco-environment first declined and then increased to 0.622 in 2015, which was at a lower level of basic coordination, and most of the cities and towns were in the critical value of mild disorders to basic coordination, which belonged to three types: lagging behind ecological construction, lagging urbanization and structural pollution; (4) urbanization and eco-environment have changed from mild disorders-regressive succession to mild disorders-positive succession and further to basic coordination-positive succession from the overall perspective of system evolution, the coupling degree of urbanization and eco-environment will be increased to 0.633 in 2020; Hunan will be in the green area for a long time in the future, and appropriate regional development policies should be adopted to promote the healthy development of urbanization and eco-environment.

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