Trade-offs and synergies between ecosystem services in Yutian County along the Keriya River Basin, Northwest China

IF 2.7 3区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Journal of Arid Land Pub Date : 2024-07-31 DOI:10.1007/s40333-024-0103-2
Muyibul Zubaida
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Abstract

The Keriya River Basin is located in an extremely arid climate zone on the southern edge of the Tarim Basin of Northwest China, exhibiting typical mountain-oasis-desert distribution characteristics. In recent decades, climate change and human activities have exerted significant impacts on the service functions of watershed ecosystems. However, the trade-offs and synergies between ecosystem services (ESs) have not been thoroughly examined. This study aims to reveal the spatiotemporal changes in ESs within the Keriya River Basin from 1995 to 2020 as well as the trade-offs and synergies between ESs. Leveraging the Integrated Valuation of Ecosystem Services and Trade-offs (InVEST) and Revised Wind Erosion Equation (RWEQ) using land use/land cover (LULC), climate, vegetation, soil, and hydrological data, we quantified the spatiotemporal changes in the five principal ESs (carbon storage, water yield, food production, wind and sand prevention, and habitat quality) of the watershed from 1995 to 2020. Spearman correlation coefficients were used to analyze the trade-offs and synergies between ES pairs. The findings reveal that water yield, carbon storage, and habitat quality exhibited relatively high levels in the upstream, while food production and wind and sand prevention dominated the midstream and downstream, respectively. Furthermore, carbon storage, food production, wind and sand prevention, and habitat quality demonstrated an increase at the watershed scale while water yield exhibited a decline from 1995 to 2020. Specifically, carbon storage, wind and sand prevention, and habitat quality presented an upward trend in the upstream but downward trend in the midstream and downstream. Food production in the midstream showed a continuously increasing trend during the study period. Trade-off relationships were identified between water yield and wind and sand prevention, water yield and carbon storage, food production and water yield, and habitat quality and wind and sand prevention. Prominent temporal and spatial synergistic relationships were observed between different ESs, notably between carbon storage and habitat quality, carbon storage and food production, food production and wind and sand prevention, and food production and habitat quality. Water resources emerged as a decisive factor for the sustainable development of the basin, thus highlighting the intricate trade-offs and synergies between water yield and the other four services, particularly the relationship with food production, which warrants further attention. This research is of great significance for the protection and sustainable development of river basins in arid areas.

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中国西北克里雅河流域于田县生态系统服务之间的权衡与协同作用
克里雅河流域位于中国西北塔里木盆地南缘的极干旱气候区,呈现典型的山地-绿洲-沙漠分布特征。近几十年来,气候变化和人类活动对流域生态系统的服务功能产生了重大影响。然而,生态系统服务(ES)之间的权衡和协同作用尚未得到深入研究。本研究旨在揭示 1995 年至 2020 年克里雅河流域内生态系统服务的时空变化以及生态系统服务之间的权衡和协同作用。利用土地利用/土地覆被 (LULC)、气候、植被、土壤和水文数据,我们利用生态系统服务与权衡综合评估 (InVEST) 和修订的风蚀方程 (RWEQ),量化了流域内五种主要生态系统服务(碳储存、水产量、粮食产量、防风固沙和栖息地质量)从 1995 年到 2020 年的时空变化。斯皮尔曼相关系数用于分析各 ES 对之间的权衡和协同作用。研究结果表明,上游的产水量、碳储存和栖息地质量相对较高,而中游和下游则分别以粮食生产和防风固沙为主。此外,从 1995 年到 2020 年,碳储存、粮食产量、防风固沙和栖息地质量在流域范围内呈上升趋势,而产水量则呈下降趋势。具体而言,碳储存、防风固沙和生境质量在上游呈上升趋势,而在中游和下游呈下降趋势。在研究期间,中游的粮食产量呈持续增长趋势。研究发现,产水量与防风固沙、产水量与碳储量、粮食产量与产水量、生境质量与防风固沙之间存在权衡关系。不同环境服务之间存在显著的时空协同关系,特别是碳储存与生境质量、碳储存与粮食产量、粮食产量与防风固沙以及粮食产量与生境质量之间的协同关系。水资源成为流域可持续发展的决定性因素,从而凸显了水资源产量与其他四项服务之间错综复杂的权衡与协同作用,尤其是与粮食生产之间的关系,值得进一步关注。这项研究对干旱地区河流流域的保护和可持续发展具有重要意义。
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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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