Resilience and dynamism: Innovative modeling of ecological group dynamics in urban landscapes

IF 9.8 1区社会学 Q1 ENVIRONMENTAL STUDIES

Environmental Impact Assessment Review Pub Date : 2024-08-02 DOI:10.1016/j.eiar.2024.107613

Yongyang Wang , Yanpeng Cai , Yulei Xie , Pan Zhang , Lei Chen

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引用次数: 0

Abstract

Enhancing urban ecological resilience can promote sustainable and eco-friendly urban development by reducing environmental risks and vulnerabilities. However, current studies rarely offered ecological resilience assessment method along with an understanding of the coevolution mechanisms. In this study, we selected Guangzhou as the study area to create a dynamics model to diagnose the coevolution mechanism, and quantify ecological resilience according to the depiction of the basin of attribution. The results showed that 1) there were 535 ecological patches covering an area of 121,628 ha and featuring 1229 edges and 11 ecological groups. 2)The northern and eastern regions showed relatively high closeness and betweenness centralities, however, straightness centrality was lower in these areas; the ecological edges were presented lower connectivity in the northern and southern regions. 3) By using nonlinear dynamic equation, the origin state of each group increased toward the equilibrium point E3 suggested a declining trend in ecological sustainability under current conditions. The ecological resilience was decreased from Group 8 to Group 5. This research will help to understand the coevolution mechanism of the urban system for giving practical suggestions.

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复原力与活力：城市景观中生态群落动态的创新建模

提高城市生态复原力可以降低环境风险和脆弱性，从而促进可持续的生态友好型城市发展。然而，目前的研究很少提供生态恢复力评估方法以及对协同演化机制的理解。在本研究中，我们选择广州作为研究区域，建立动态模型来诊断协同演化机制，并根据流域归因的描述来量化生态恢复力。结果表明：1）生态斑块数量为 535 个，面积为 121 628 公顷，边缘数量为 1229 个，生态群落数量为 11 个。2）北部和东部地区的接近中心度和间度中心度相对较高，但直线中心度较低；北部和南部地区的生态边缘连通性较低。3) 利用非线性动态方程，各组的起源状态向均衡点 E3 增加，表明在当前条件下生态可持续性呈下降趋势。该研究将有助于理解城市系统的协同演化机制，并提出切实可行的建议。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Environmental Impact Assessment Review ENVIRONMENTAL STUDIES-

CiteScore

12.60

自引率

10.10%

发文量

200

审稿时长

33 days

期刊介绍： Environmental Impact Assessment Review is an interdisciplinary journal that serves a global audience of practitioners, policymakers, and academics involved in assessing the environmental impact of policies, projects, processes, and products. The journal focuses on innovative theory and practice in environmental impact assessment (EIA). Papers are expected to present innovative ideas, be topical, and coherent. The journal emphasizes concepts, methods, techniques, approaches, and systems related to EIA theory and practice.