Ecological network construction and community resilience analysis of nocturnal birds: a case study of Hangzhou City, Zhejiang Province, China

IF 7 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Ecological Indicators Pub Date : 2025-05-19 DOI:10.1016/j.ecolind.2025.113613

Yang Jin , Mingkan Zhang , Danying Yan , Kun Li , Chao Zhou , Xi Chen

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引用次数: 0

Abstract

Constructing nocturnal ecological networks at the municipal scale is crucial for conserving nocturnal biodiversity and promoting regional ecological sustainability. In this study, focusing on nocturnal birds (Strigiformes) in Hangzhou City as an example, from temporal and spatial dimension to integrate environmental variables in order to identify nocturnal ecological network. Using community detection methods to analyze the differences in attributes, habitats, and topological structures between network communities. In order to analyze the impact of communities on network resilience, four network optimization strategies were developed to simulate different scenarios. From transient and continuous impact perspectives, using the Maximum Connected graph and Global Efficiency to measure network resilience. The study identified 133 ecological sources, 378 ecological corridors, and 5 communities. The priority protection community is located in the centre urban. Enhancing internal-community connectivity is more suitable to protect against transient attacks, while enhancing external-community connectivity is more effective to protect against cascading failures. The choice of dominant and subordinate communities also has a significant impact on network resilience. These findings provide important insights for building and optimizing dark infrastructure, and make substantial contributions to preserving nocturnal biodiversity and enhancing urban sustainability.

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夜行鸟类生态网络构建与群落恢复力分析——以浙江省杭州市为例

在城市尺度上构建夜间生态网络对于保护夜间生物多样性和促进区域生态可持续性具有重要意义。本研究以杭州市夜行鸟类（Strigiformes）为例，从时空维度整合环境变量，以识别夜行生态网络。利用社区检测方法分析网络社区在属性、栖息地、拓扑结构等方面的差异。为了分析社区对网络弹性的影响，我们制定了四种网络优化策略来模拟不同的场景。从暂态和持续影响的角度，使用最大连接图和全局效率来衡量网络弹性。研究确定了133个生态源、378个生态廊道和5个群落。优先保护社区位于市中心。增强社区内部连通性更适合防御瞬态攻击，而增强社区外部连通性更适合防御级联攻击。主导和从属社区的选择对网络弹性也有显著影响。这些发现为夜间基础设施的建设和优化提供了重要的见解，并为保护夜间生物多样性和增强城市可持续性做出了重大贡献。

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来源期刊

Ecological Indicators 环境科学-环境科学

CiteScore

11.80

自引率

8.70%

发文量

1163

审稿时长

78 days

期刊介绍： The ultimate aim of Ecological Indicators is to integrate the monitoring and assessment of ecological and environmental indicators with management practices. The journal provides a forum for the discussion of the applied scientific development and review of traditional indicator approaches as well as for theoretical, modelling and quantitative applications such as index development. Research into the following areas will be published. • All aspects of ecological and environmental indicators and indices. • New indicators, and new approaches and methods for indicator development, testing and use. • Development and modelling of indices, e.g. application of indicator suites across multiple scales and resources. • Analysis and research of resource, system- and scale-specific indicators. • Methods for integration of social and other valuation metrics for the production of scientifically rigorous and politically-relevant assessments using indicator-based monitoring and assessment programs. • How research indicators can be transformed into direct application for management purposes. • Broader assessment objectives and methods, e.g. biodiversity, biological integrity, and sustainability, through the use of indicators. • Resource-specific indicators such as landscape, agroecosystems, forests, wetlands, etc.