湖北民族大学学报（自然科学版）2024，Vol.42Issue(3)：409-418,10.DOI:10.13501/j.cnki.42-1908/n.2024.09.010
基于空间关联网络结构探究黄河上游城市群生态安全演化特征及影响因素
Characteristics and Influencing Factors of Ecological Security Evolution in the Upper Yellow River City Cluster Based on Spatial Linkage Network Structure
摘要
Abstract
In order to analyze the evolutionary characteristics and influencing factors of ecological security of the city cluster in the upper Yellow River,the driving-pressure-state-impact-response(DPSIR)model was adopted to evaluate the ecological security of nine cities in the upper Yellow River from 2010 to 2021.By modifying the gravity model,the spatial linkage gravity of ecological security of each city in the city cluster was determined and the network was built.The social network analysis was used to reveal the evolution of spatial network structure of ecological security in the city cluster,and the quadratic assignment procedure(QAP)was used to explore the factors affecting the ecological security of the city cluster from the perspective of the spatial linkage network.The results showed that over time,the ecological security level of the cities of the city cluster in the upper Yellow River was continuously improved and gradually reached the critical security level.In the spatial linkage network structure,the ecological security of the cities in the city cluster was characterized by a low degree of closeness,but the whole network structure was in a relatively stable state and developed in the direction of complexity.Lanzhou City,as the core city,produced a large resource spillover effect on the neighbouring cities,and a"core-edge"network structure was found among the cities.The ecological security network structure of the city cluster in the upper Yellow River was affected by factors such as geospatial proximity,scientific and technological level,energy supply,and differences in the level of sustainable development.This study provided a scientific basis and decision-making reference for enhancing the correlation of the city cluster in the upper Yellow River and improving the management of the city cluster′s ecological safety.关键词
空间关联网络/黄河上游区域/城市群/生态安全/修正引力模型/社会网络分析/QAPKey words
spatial linkage network/upper Yellow River region/city cluster/ecological security/modified gravity model/social network analysis/QAP分类
资源环境引用本文复制引用
赵煜,王文仪..基于空间关联网络结构探究黄河上游城市群生态安全演化特征及影响因素[J].湖北民族大学学报（自然科学版）,2024,42(3):409-418,10.基金项目
国家社会科学基金项目(21XTJ004) （21XTJ004）
兰州财经大学重点项目(Lzufe2022B-005). （Lzufe2022B-005）
