Research on the Optimization of Urban Ecological Infrastructure Based on Ecosystem Service Supply, Demand, and Flow

Tianlin Zhai, Yuanbo Ma, Ying Fang, Mingyuan Chang, Longyang Huang, Ziyi Ma, Ling Li () and Chenchen Zhao
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Tianlin Zhai: College of Resources and Environmental Sciences, Henan Agricultural University, Zhengzhou 450002, China
Yuanbo Ma: College of Resources and Environmental Sciences, Henan Agricultural University, Zhengzhou 450002, China
Ying Fang: Zhejiang Academy of Surveying and Mapping, Hangzhou 311100, China
Mingyuan Chang: College of Resources and Environmental Sciences, Henan Agricultural University, Zhengzhou 450002, China
Longyang Huang: School of Public Policy and Administration, Chongqing University, Chongqing 400044, China
Ziyi Ma: College of Resources and Environmental Sciences, Henan Agricultural University, Zhengzhou 450002, China
Ling Li: College of Resources and Environmental Sciences, Henan Agricultural University, Zhengzhou 450002, China
Chenchen Zhao: College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China

Land, 2024, vol. 13, issue 2, 1-25

Abstract: Ecological infrastructure plays a crucial role in strengthening the relationship between humans and the environment by optimizing ecological space and resource allocation in urban environments. However, there are few studies on the functional assessment and spatial and temporal evolution of ecological infrastructure and its layout optimization. In this study, we developed an ecological infrastructure optimization method based on ecosystem service supply, demand, and flow in Yantai City as the study area; identified the spatial extent of urban ecological infrastructure and its spatial and temporal changes based on the spatial quantification of multiple ecosystem services; assessed whether the existing ecological infrastructure could satisfy the needs of the urban residents by calculating the ecosystem service supply and demand indexes; and used the spatial quantification of ecosystem service flows to optimize the spatial layout of urban ecological infrastructure. This study shows that, from 2010 to 2018, ecological infrastructure in Longkou, Zhaoyuan, and Laiyang decreased, contrasting with the growth in the existing peripheral areas. The study found a clear spatial mismatch between the supply and demand of ecosystem services, especially in the central urban areas, suggesting that the existing infrastructure was unable to satisfy the needs of high-demand areas. This study assessed the peripheral areas of the city using comparative ecological radiation force (CERF), including 314.64 km 2 of environmentally beautiful village units as key components of ecological infrastructure in Yantai City. These findings are crucial for sustainable environmental management and urban development strategies.

Keywords: ecosystem services; ecological infrastructure; supply–demand balance; ecosystem service flow; comparative ecological radiation force; Yantai (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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