To refine differential land use strategies by developing landscape risk assessment for urban agglomerations in the Yellow River Basin of China

IF 11.2 1区社会学 Q1 ENVIRONMENTAL STUDIES

Environmental Impact Assessment Review Pub Date : 2025-09-04 DOI:10.1016/j.eiar.2025.108162

Xi Qing , Youran Li , Wei Li , Zhonggui Lu , Rongwu Yue

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引用次数: 0

Abstract

In the aspect of coordinating land use and ecological security in the urbanizing areas, conventional methods are not applicable because of the weakness in addressing landscape ecological risks resulted from drastic land use changes. Attempting to align land use management with landscape ecological risk control in the five state-level urban agglomerations in Yellow River Basin, we analyzed the spatiotemporal changes in land use, identified landscape ecological risks from 1995 to 2020, and investigated the spatiotemporal heterogeneity and interactions of the revealed risk drivers. The results showed, the highest-risk area in the Jiziwan Metropolitan Area increased by 6.1 % in the study period, representing an increase of ten times that in the other agglomerations. Construction land proportion exhibited a stronger positive impact on the ERI in certain local areas. GDP per capita exhibited a broader spatial influence in positively affecting the ERI. Population density indirectly affects ERI mainly through NDVI, construction land, and GDP. Regarding the spatial characteristics and driver interactions of ecological risks, tailored land use measures were proposed for each urban agglomeration by concentrating on the highest-risk areas, areas with rapid risk variation, and ecologically vulnerable areas. This study demonstrates that a clearly defined landscape ecological risk assessment can support improved land use planning and more targeted zoning strategies for ecological security. It offers a methodological reference for identifying ecological risk drivers in large-scale urbanized regions and provides a foundation for implementing differentiated land use and risk management strategies in major river basins.

查看原文本刊更多论文

以黄河流域城市群为例，开展景观风险评估，完善土地差异利用策略

在城市化地区土地利用与生态安全协调方面，传统方法在应对土地利用剧烈变化带来的景观生态风险方面存在不足。以黄河流域5个国家级城市群为研究对象，以土地利用管理与景观生态风险控制为主线，分析了1995 - 2020年土地利用的时空变化特征，识别了景观生态风险，并对风险驱动因素的时空异质性和相互作用进行了研究。结果表明：在研究期间，鸡子湾都市圈的最高风险区增加了6.1%，是其他城市群的10倍；在某些局部地区，建设用地比例对生态效益有较强的正向影响。人均国内生产总值在积极影响经济效益方面表现出更广泛的空间影响。人口密度主要通过NDVI、建设用地和GDP间接影响ERI。针对生态风险的空间特征和驱动因素相互作用，针对各城市群的最高风险区、风险快速变化区和生态脆弱区提出了针对性的土地利用措施。该研究表明，明确界定景观生态风险评估可以支持改善土地利用规划和更有针对性的生态安全分区策略。研究结果为大规模城市化地区生态风险驱动因素识别提供了方法参考，并为主要流域实施差别化土地利用和风险管理策略提供了依据。

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.