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Analysis of spatiotemporal changes and tradeoffs/synergies of ecosystem services driven by land use change in Hebei Grand Canal
Wei ZHANG, FengChun WANG, HongLin WAN, JiaLiang LI, ZongDa LI, Kun DUAN, Hong ZHANG
Prog Geophy ›› 2025, Vol. 40 ›› Issue (6) : 2551-2567.
PDF(11891 KB)
PDF(11891 KB)
Analysis of spatiotemporal changes and tradeoffs/synergies of ecosystem services driven by land use change in Hebei Grand Canal
Investigating the evolution of ecosystem service functions and their trade-off and synergy relationships driven by land use change is crucial for the formulation of regional land spatial planning and ecological protection policies. This study focuses on the Hebei section of the Grand Canal, employing a suite of research methods including land use transition matrix, InVEST model, hot spot analysis, and trade-off and synergy analysis (Pearson) model. The study examines the land use changes and the spatiotemporal distribution, change characteristics, and interrelationships of four ecosystem services—water yield, water quality purification, soil erosion, and habitat quality—between 2000 and 2020 in the Hebei section of the Grand Canal. The findings reveal the following: (1) From 2000 to 2020, the predominant land use type in the study area was arable land, accounting for over 79%, with land use changes primarily characterized by the conversion of arable land to construction land; (2) The spatiotemporal distribution of the four ecosystem services exhibited certain spatial similarities. Over the two decades, the study area experienced a general decline in P output and habitat quality, while water yield, N output, and soil erosion showed an overall upward trend. The changes in ecosystem service functions were directly linked to the land use structure; (3) The relationships among the four ecosystem services were predominantly synergistic, with a particularly strong synergy observed between water yield and water quality purification. Only N output and habitat quality exhibited a relatively weak trade-off relationship, and the spatial distribution of trade-off/synergy relationships among the ecosystem services was associated with the distribution of hot and cold spots. By focusing on the Grand Canal and analyzing the evolution and trade-off/synergy relationships of its ecosystem services from the perspective of land use change, this study provides theoretical support for optimizing regional land spatial planning and constructing a "beautiful canal".
Ecosystem services / Land use / InVEST model / Trade off/Synergy analysis
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感谢审稿专家提出的修改意见和编辑部的大力支持!
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