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Optimal allocation for land in an arid inland basin in northwest China: framework and application based on CLUE-S and MCR models

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Abstract

Reasonable planning of the limited land resources can promote the coordinated development of social economic and ecological protection. It is very important to optimize the rational distribution of land resources in the arid inland river basin because of the scarce land. In this paper, the GIS technologies of spatial analysis, conversion of land use, and its effects at small regional extent (CLUE-S) and minimum cumulative resistance (MCR) model were used to optimize the land allocation. The ecological security pattern (ESP) was constructed through using MCR model, which included ecological source and resistance surface. The dynamics of land use and spatial optimizing allocation of Shiyang River Basin in 2025 and 2030 was simulated under three different optimization scenarios including farmland protection scenario (FPS), free development scenario (FDS), and ecological security pattern scenario (ESPS). It was found that under ESPS, farmland was reduced, but woodland, grassland, and water body were increased significantly. Under FPS, land for construction was controlled effectively, a large part of homestead was converted into farmland, and the potential of unused land was developed vigorously. Furthermore, the current FDS and macro policy guidance should be comprehensively considered. The ESPS was more suitable for the scientific development of Shiyang River Basin on a long view. The combination of CLUE-S and MCR can effectively improve the optimization methods under ecological process and ecological resistance of landscape elements.

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All data collected or analyzed during this study are included in this manuscript, and further data related to this study if needed can be available from the corresponding author on reasonable request.

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Funding

This work was supported by National Natural Science Foundation of China (Grant numbers 41861040 and 41761047) and Natural Science Foundation of Gansu Province (grant numbers1506RJZA129).

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Contributions

All authors contributed to the study conception and design. The first draft of the manuscript was written by Binbin Xie, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript. Binbin Xie: conceptualization, material preparation, methodology, writing—original draft; Wei Wei: formal analysis, methodology; Congying Liu: validation, discussion; Junju Zhou: supervision, revision; Liang Zhou: funding acquisition.

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Correspondence to Congying Liu.

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Consent was given by all the authors.

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The authors declare no competing interests.

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Responsible Editor: Philippe Garrigues

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Highlights

• Minimum cumulative resistance (MCR) model was improved and used to optimize the allocation of land use through understanding the ecological process.

• The minimum cumulative resistance model was combined to GIS overlay analysis to calculate the ecological security pattern (ESP) partitions for land use allocation.

• The MCR model was combined with CLUE-S model to improve the characterization and presentation of the land use allocation.

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Xie, B., Wei, W., Liu, C. et al. Optimal allocation for land in an arid inland basin in northwest China: framework and application based on CLUE-S and MCR models. Environ Sci Pollut Res 30, 95758–95772 (2023). https://doi.org/10.1007/s11356-023-29071-x

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  • DOI: https://doi.org/10.1007/s11356-023-29071-x

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