Exploring the relationship between water-energy-food nexus sustainability and multiple ecosystem services at the urban agglomeration scale

被引:55
作者
Ding, Tonghui [1 ]
Fang, Liping [2 ]
Chen, Junfei [1 ,3 ,4 ]
Ji, Juan [1 ]
Fang, Zhou [1 ]
机构
[1] Hohai Univ, Business Sch, Nanjing 211100, Peoples R China
[2] Toronto Metropolitan Univ, Dept Mech & Ind Engn, Toronto, ON M5B 2K3, Canada
[3] Hohai Univ, Yangtze Inst Conservat & Dev, Nanjing 210098, Peoples R China
[4] Jiangsu Res Base Yangtze Inst Conservat & High Qua, Nanjing 210098, Peoples R China
基金
中国国家自然科学基金;
关键词
Water -energy -food nexus sustainability; Ecosystem services; Coupling coordination relationship; Correlation analysis; Yangtze River Delta Urban Agglomeration; COUPLING COORDINATION; CARRYING-CAPACITY; CLIMATE-CHANGE; LAND-USE; RESOURCES; ENVIRONMENT; MANAGEMENT; CHINA; MODEL; URBANIZATION;
D O I
10.1016/j.spc.2022.10.028
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The current perception of how ecosystem services (ES) affect the water-energy-food nexus sustainability (here-after, nexus sustainability) is still unclear. Here, we proposed an analytical framework to explore the relationship between nexus sustainability and multiple ES. This study took the Yangtze River Delta Urban Agglomeration (YRDUA) as an example. Firstly, a nexus sustainability evaluation index system was established to evaluate the sustainability of water-energy-food nexus and its three subsystems. Then various models were utilized to quan-tify the four ES (water yield, carbon storage, soil retention, and food production). Finally, the coupling coordina-tion degree model and correlation analysis were applied to explore the relationship between nexus sustainability and multiple ES. The results show that the coordination between nexus sustainability and water yield gradually improved, while that between nexus sustainability and food production declined significantly, especially in the southern regions of the YRDUA. There were obvious spatial heterogeneities in the coordination between nexus sustainability and carbon storage/soil retention, characterized by a coordination state in the southern regions and an incoordination state in the northern regions. A complex relationship between nexus sustainability and multiple ES existed. Water subsystem sustainability had significant and positive linear correlations with water yield/carbon storage, and a significant and positive nonlinear correlation with soil retention. There was also a sig-nificant and positive nonlinear correlation between food subsystem sustainability and food production. The non-linear correlations between energy subsystem sustainability and four ES were not significant in most years. Therefore, relationship-based and location-based management measures, such as ecological protection and restoration, strictest water resources management and cross-city cooperation, were proposed to facilitate the sustainable and coordinated development of nexus sustainability and multiple ES. This study can also provide references for the coordinated development of nexus sustainability and multiple ES in other urban agglomera-tions within and beyond China.(c) 2022 Institution of Chemical Engineers. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:184 / 200
页数:17
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