基于复杂网络理论的区域生态空间网络格局及稳定性测度——以长三角地区为例

编号 lyqk008958

中文标题 基于复杂网络理论的区域生态空间网络格局及稳定性测度——以长三角地区为例

作者 李子豪  陈卉  万山霖  卢江林 

作者单位 1. 同济大学建筑与城市规划学院 上海 20009;
2. 重庆大学建筑城规学院 重庆 400030

期刊名称 中国城市林业 

年份 2021 

卷号 19

期号 5

中文摘要 研究以长三角地区为例，综合多项生态系统服务评价识别生态源地，运用最小成本路径模型构建生态空间网络并概化为拓扑结构。基于复杂网络理论，将生态网络的稳定性测度进行拆解，静态上对生态网络的整体结构性特征、斑块与廊道的中心性进行评价，动态上借助节点移除实验，模拟随机自然灾害和刻意人为破坏2种情景，分析其网络结构的变化趋势。研究结果表明：1）长三角内生态网络呈现一核多廊的空间格局，以浙皖交界的山地为核心向外扩展；2）生态网络拓扑结构具有无标度网络特征，不具备小世界特性，能量流动存在一定的滞塞性；3）长三角生态网络受城镇建设发展的胁迫较大，相较于随机自然灾害情景，人为破坏下生态网络稳定性变化更加敏感；4）维持一定规模的生态空间并重点保护高中心性的节点和廊道，均可保障生态网络的稳定性。基于上述结论，研究提出重点保护宣城—南京—常州和大别山—黄山2条重要的生态廊道，并结合网络稳定性测度的阈值提出生态空间差异化的管控策略。

关键词 生态空间网络  稳定性测度  复杂网络理论  长三角地区 

英文标题 Spatial Pattern and Stability Measurement of Regional Ecological Space Network Based on Complex Network Theory: A Case Study of Yangtze River Delta

作者英文名 Li Zihao, Chen Hui, Wan Shanlin, Lu Jianglin

单位英文名 1. College of Architecture and Urban Planning, Tongji University, Shanghai, 200092, China;
2. School of Architecture and Urban Planning, Chongqing University, Chongqing, 400030, China

英文摘要 Taking the Yangtze River Delta as an example, this study integrates a number of ecosystem services evaluation to identify the ecological source, and uses the minimum cost path model to construct the ecological space network and then generalize it into a topological structure. Based on the complex network theory, the measurement of ecological network stability is disassembled to statically evaluate the structural characteristics of the ecological network and the centrality of patches and corridors, and dynamically simulate the 2 scenarios of random natural disasters and deliberate human destruction with the help of node removal experiments to analyze the changing trend of the network structure for both scenarios. The results show that:1) The ecological network in the Yangtze River Delta presents a spatial pattern of one core and many corridors, which spreads with the mountainous areas at the junction of Zhejiang and Anhui provinces as the core; 2) The topological structure of ecological network has the scale-free network characteristics, which does not have the characteristics of small world, and there is a certain stagnation in energy flow; 3) The ecological network in the Yangtze River Delta is more threatened by urban development, and compared with the random natural disaster scenario, human destruction makes the stability of ecological network more sensitive; 4) Maintaining a certain scale of ecological space and focusing on the protection of nodes and corridors with high centrality can ensure the stability of ecological networks. Based on the above conclusions, we propose the prioritized protection of two important ecological corridors, such as Xuancheng-Nanjing-Changzhou line and Dabieshan-Huangshan line, and the threshold of network stability measurement should be taken into consideration to clarify the management strategies of ecological spatial differentiation.

英文关键词 ecological space network;stability measurement;complex network theory;Yangtze River Delta

起始页码 1

截止页码 8

投稿时间 2021/4/25

作者简介 李子豪(1996-),男,硕士生,研究方向为城市生态规划。E-mail:zihaolee@tongji.edu.cn

通讯作者介绍 陈卉(1991-),女,博士生,研究方向为城市生态规划。E-mail:1202chenhui@tongji.edu.cn

E-mail 1202chenhui@tongji.edu.cn

DOI 10.12169/zgcsly.2021.04.25.0002

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