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Spatiotemporal Variation and Driving Forces of Ecological Security Based on Ecosystem Health, Services, and Risk in Tianjin, China

Tiantian Cheng, Lin Zhao, Zhi Qiao () and Yongkui Yang
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Tiantian Cheng: School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
Lin Zhao: School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
Zhi Qiao: School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
Yongkui Yang: School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China

Sustainability, 2025, vol. 17, issue 14, 1-20

Abstract: Ecological security underpins sustainable regional development and human well-being. Tianjin is in the eastern coastal area of China and features coastal wetlands and river systems. Over the past decade, Tianjin has undergone rapid urbanization. Tianjin faces the dual challenges of maintaining ecological security with economic growth, making it crucial to assess Tianjin’s ecological security status. This study constructed a comprehensive framework incorporating ecosystem health, services, and risk data to evaluate the ecological security status of Tianjin in 2012, 2017, and 2022. The results show the following: (1) Land use transfer mainly shows other land use types transferred to construction land. (2) The ecological security index of Tianjin ranges from 0.003 to 0.865, and the annual average values from 2012 to 2022 are 0.496, 0.493, and 0.499, with security levels dominated by medium, medium-high, and high security levels, respectively. The change in ecological security was relatively stable and was dominated by areas with unchanged levels, accounting for 63.72% of the total area. (3) The natural environment, human activities, and ecosystem status jointly influence Tianjin’s ecological security level. Shannon diversity, Shannon evenness, vegetation type, elevation, and mean annual temperature were the main factors affecting changes in ecological security in Tianjin, among which the interaction of Shannon diversity and vegetation type had the most significant influence. This study combines positive and negative aspects to assess ecological security, providing a reference for other regions to conduct ecological security assessments and a scientific basis for ecological management and urban planning decisions in similar regions.

Keywords: driving force determination; ecological security assessment; ecosystem services; geo-detector (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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