生态科学2024，Vol.43Issue(1)：63-73,11.DOI:10.14108/j.cnki.1008-8873.2024.01.008
武汉城市圈生态网络鲁棒性模拟及稳定性分析
Robustness simulation and stability analysis of ecological network in Wuhan metropolitan area
摘要
Abstract
Ecological networks show different robustness under different levels of damage or interference intensity,which is bound to cause the regional ecosystem risk.Based on the construction and identification of the ecological network of the Wuhan metropolitan area,the importance evaluation system of nodes and corridors was established,and the robust model was used to simulate the robustness changes under random interference scenarios to evaluate the stability of the ecological network.The results showed that:(1)Based on the complex network theory a topological network consisted by 117 nodes and 189 connecting lines was generated according to the ecological network of the Wuhan metropolitan area.The nodes with higher importance level accounted for 23.93%,which were mainly distributed in the central and northern part of the study area.The nodes with lower importance accounted for 51.28%of the total number of nodes,mainly distributed in the northwest and southeast of the study area.(2)The gravity model was used to determine the importance of ecological corridors.17 important corridors were obtained,and 28 were general corridors.Important corridor had a great impact on the connectivity and stability of the ecological network.(3)The number and importance of nodes had a significant impact on the stability of the network.When the node failure rate was less than 50%,the ecological network stability change was small,and the overall stability was relatively high;when the node failure rate was between 50%-85%,the ecological network was extremely unstable;when the node failure rate reached 85%,the ecological network began to paralyze.(4)Based on the importance of ecological nodes and corridors and simulated results,differentiated management strategies for ecological node protection and corridor construction were proposed.关键词
生态网络/稳定性/鲁棒性/武汉城市圈Key words
ecological network/stability/robustness/Wuhan metropolitan area分类
资源环境引用本文复制引用
黄悦,李红波,欧国良..武汉城市圈生态网络鲁棒性模拟及稳定性分析[J].生态科学,2024,43(1):63-73,11.基金项目
国家自然科学基金项目(41871179,42077432) （41871179,42077432）
华中农业大学自主科技创新基金项目(2016RC014) （2016RC014）
