中国黄土高原沟壑控制和土地整理项目背景下生态系统服务的时空变化及其权衡与协同作用

IF 2.7 3区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Journal of Arid Land Pub Date : 2024-02-12 DOI:10.1007/s40333-024-0091-2
Jing Wang, Yulu Wei, Biao Peng, Siqi Liu, Jianfeng Li
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引用次数: 0

摘要

以沟壑治理与土地整理(GCLC)工程为背景,研究黄土高原生态系统服务功能的时空变化及其相互关系,对黄河流域的生态保护和高质量发展具有重要意义。因此,本研究以陕西省延安市为研究区域,选取水土保持服务、水量产出服务、碳储存服务、生境质量服务等四项典型生态系统服务,利用生态系统服务与权衡综合评价模型(InVEST),定量评价了2010-2018年生态系统服务的时空变化特征和权衡协同效应。并分析了延安市各区域(包括1市2区10县)GCLC项目与区域生态系统服务变化的关系,提出了GCLC项目与生态环境的协调发展策略。结果表明,从2010年到2018年,水土保持服务减少了7.76%,而其他三种生态系统服务变化相对较小,其中水分产量服务增加了0.56%,碳储存服务和生境质量服务分别减少了0.16%和0.14%。2010-2018年延安市生态环境均衡发展,四种生态系统服务功能呈现协同关系,其中水土保持服务功能与水分产量服务功能、碳储量服务功能与生境质量服务功能协同关系显著。GCLC项目对延安市生态系统服务功能产生了负面影响,其中对碳储存服务功能的影响更为显著。本研究为科学评价 GCLC 项目的生态效益,实现粮食安全与生态安全的双赢提供了理论依据。
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Spatiotemporal variations in ecosystem services and their trade-offs and synergies against the background of the gully control and land consolidation project on the Loess Plateau, China

Studying the spatiotemporal variations in ecosystem services and their interrelationships on the Loess Plateau against the background of the gully control and land consolidation (GCLC) project has significant implications for ecological protection and quality development of the Yellow River Basin. Therefore, in this study, we took Yan’an City, Shaanxi Province of China, as the study area, selected four typical ecosystem services, including soil conservation service, water yield service, carbon storage service, and habitat quality service, and quantitatively evaluated the spatiotemporal variation characteristics and trade-offs and synergies of ecosystem services from 2010 to 2018 using the Integrated Valuation of Ecosystem Services and Trade-offs (InVEST) model. We also analysed the relationship between the GCLC project and regional ecosystem service changes in various regions (including 1 city, 2 districts, and 10 counties) of Yan’an City and proposed a coordinated development strategy between the GCLC project and the ecological environment. The results showed that, from 2010 to 2018, soil conservation service decreased by 7.76%, while the other three ecosystem services changed relatively little, with water yield service increasing by 0.56% and carbon storage service and habitat quality service decreasing by 0.16% and 0.14%, respectively. The ecological environment of Yan’an City developed in a balanced way between 2010 and 2018, and the four ecosystem services showed synergistic relationships, among which the synergistic relationships between soil conservation service and water yield service and between carbon storage service and habitat quality service were significant. The GCLC project had a negative impact on the ecosystem services of Yan’an City, and the impact on carbon storage service was more significant. This study provides a theoretical basis for the scientific evaluation of the ecological benefits of the GCLC project and the realization of a win-win situation between food security and ecological security.

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来源期刊
Journal of Arid Land
Journal of Arid Land ENVIRONMENTAL SCIENCES-
CiteScore
4.70
自引率
6.70%
发文量
768
审稿时长
3.2 months
期刊介绍: The Journal of Arid Land is an international peer-reviewed journal co-sponsored by Xinjiang Institute of Ecology and Geography, the Chinese Academy of Sciences and Science Press. It aims to meet the needs of researchers, students and practitioners in sustainable development and eco-environmental management, focusing on the arid and semi-arid lands in Central Asia and the world at large. The Journal covers such topics as the dynamics of natural resources (including water, soil and land, organism and climate), the security and sustainable development of natural resources, and the environment and the ecology in arid and semi-arid lands, especially in Central Asia. Coverage also includes interactions between the atmosphere, hydrosphere, biosphere, and lithosphere, and the relationship between these natural processes and human activities. Also discussed are patterns of geography, ecology and environment; ecological improvement and environmental protection; and regional responses and feedback mechanisms to global change. The Journal of Arid Land also presents reviews, brief communications, trends and book reviews of work on these topics.
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