石羊河流域的生态网络复原力:中国西北干旱内陆流域

IF 3.4 2区 地球科学 Q2 ENVIRONMENTAL SCIENCES Chinese Geographical Science Pub Date : 2024-09-02 DOI:10.1007/s11769-024-1461-6
Yangxi He, Chunfang Liu, Bowen Ni, Hugang Lian
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引用次数: 0

摘要

由于气候变化带来的不确定性,恢复力已成为评估区域生态系统稳定性的一个日益重要的变量。生态网络恢复力(ENR)评估对于干旱地区制定减缓战略和社会经济可持续发展至关重要。石羊河流域是中国西北地区具有复杂特征的干旱流域,本研究基于复杂适应系统(CAS)理论,对其 2020 年的生态网络恢复力和空间分异特征进行了研究。结果表明,2020 年石羊河流域的生态网络恢复力指数(ENRI)均值为 0.390,流域南部山区、中部绿洲和北部荒漠区的均值分别为 0.598、0.461 和 0.237,表现出明显的空间差异。此外,流域ENR在不同维度上表现出明显的分布特征,而流域综合ENR的变化趋势与要素、结构和功能韧性的变化趋势一致,表明基于要素-结构-功能逻辑关系构建的三区域ENR模型适用于干旱内陆河流域ENR的评价。此外,还从适应气候变化的角度提出了提高区域 ENR 的策略。
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Ecological Network Resilience of Shiyang River Basin: An Arid Inland Watershed of Northwest China

Due to the uncertainties posed by climate change, resilience has become an increasingly important variable for evaluating regional ecosystem stability. The assessment of Ecological Network Resilience (ENR) is crucial for establishing mitigation strategies and sustainable socioeconomic development in arid regions. Shiyang River Basin is an arid watershed in Northwest China with complex characteristics, its ENR and spatial differentiation characteristics in 2020 were investigated in this work based on the Complex Adaptive System (CAS) theory. The results indicated that the mean Ecological Network Resilience Index (ENRI) value for the Shiyang River Basin was 0.390 in 2020, and the mean values in the southern mountainous, middle oasis, and northern desert regions of the basin were 0.598, 0.461, and 0.237, respectively, demonstrating evident spatial differences. Additionally, the ENR of the basin exhibited distinct distribution characteristics across different dimension, whereas the trend of the integrated ENR of the basin was consistent with that of elemental, structural, and functional resilience, indicating the constructed three-region ENR model based on the logical relationship of element-structure-function was suitable for evaluation of the ENR in arid inland river watersheds. Furthermore, strategies for enhancing regional ENR were proposed from the perspective of adapting to climate change.

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来源期刊
Chinese Geographical Science
Chinese Geographical Science 环境科学-环境科学
CiteScore
6.10
自引率
5.90%
发文量
63
审稿时长
3.0 months
期刊介绍: Chinese Geographical Science is an international journal, sponsored by Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, and published by Science Press, Beijing, China. Chinese Geographical Science is devoted to leading scientific and technological innovation in geography, serving development in China, and promoting international scientific exchange. The journal mainly covers physical geography and its sub-disciplines, human geography and its sub-disciplines, cartography, remote sensing, and geographic information systems. It pays close attention to the major issues the world is concerned with, such as the man-land relationship, population, resources, environment, globalization and regional development.
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