Constructing Ecological Security Patterns in Coal Mining Subsidence Areas with High Groundwater Levels Based on Scenario Simulation

Shiyuan Zhou, Zishuo Zhang, Pingjia Luo (), Qinghe Hou and Xiaoqi Sun
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Shiyuan Zhou: School of Architecture and Design, China University of Mining and Technology, Xuzhou 221116, China
Zishuo Zhang: School of Architecture and Design, China University of Mining and Technology, Xuzhou 221116, China
Pingjia Luo: School of Architecture and Design, China University of Mining and Technology, Xuzhou 221116, China
Qinghe Hou: School of Architecture and Design, China University of Mining and Technology, Xuzhou 221116, China
Xiaoqi Sun: School of Architecture and Design, China University of Mining and Technology, Xuzhou 221116, China

Land, 2025, vol. 14, issue 8, 1-25

Abstract: In mining areas with high groundwater levels, intensive coal mining has led to the accumulation of substantial surface water and significant alterations in regional landscape patterns. Reconstructing the ecological security pattern (ESP) has emerged as a critical focus for ecological restoration in coal mining subsidence areas with high groundwater levels. This study employed the patch-generating land use simulation (PLUS) model to predict the landscape evolution trend of the study area in 2032 under three scenarios, combining environmental characteristics and disturbance features of coal mining subsidence areas with high groundwater levels. In order to determine the differences in ecological network changes within the study area under various development scenarios, morphological spatial pattern analysis (MSPA) and landscape connectivity analysis were employed to identify ecological source areas and establish ecological corridors using circuit theory. Based on the simulation results of the optimal development scenario, potential ecological pinch points and ecological barrier points were further identified. The findings indicate that: (1) land use changes predominantly occur in urban fringe areas and coal mining subsidence areas. In the land reclamation (LR) scenario, the reduction in cultivated land area is minimal, whereas in the economic development (ED) scenario, construction land exhibits a marked increasing trend. Under the natural development (ND) scenario, forest land and water expand most significantly, thereby maximizing ecological space. (2) Under the ND scenario, the number and distribution of ecological source areas and ecological corridors reach their peak, leading to an enhanced ecological network structure that positively contributes to corridor improvement. (3) By comparing the ESP in the ND scenario in 2032 with that in 2022, the number and area of ecological barrier points increase substantially while the number and area of ecological pinch points decrease. These areas should be prioritized for ecological protection and restoration. Based on the scenario simulation results, this study proposes a planning objective for a “one axis, four belts, and four zones” ESP, along with corresponding strategies for ecological protection and restoration. This research provides a crucial foundation for decision-making in enhancing territorial space planning in coal mining subsidence areas with high groundwater levels.

Keywords: coal mining subsidence areas with high groundwater levels; scenario simulation; ecological security pattern; PLUS model; circuit theory (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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