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Delineation of basic farmland based on the quality and spatial stability: a case study of Yingtan City, China

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Abstract

Delimiting basic farmland is essential to ensure food security and maintain social stability. Determining the quantity and spatial layout of the basic farmland is the main aspect of delimitation. For a long time, superiors in local governments have mainly assigned the basic farmland quantity, which is prone to regional imbalance. The determination of the spatial layout is mainly based on the quality and contiguity of the cultivated land; however, spatial stability is not considered. Therefore, in this study, Yingtan City was used as an example to determine the scale of basic farmland based on the food security and multi-source data, construct a Land Evaluation and Site Assessment System model, evaluate the quality of cultivated land, and integrate the degree of agglomeration and compatibility of cultivated land to characterize its spatial stability. The quality and spatial stability of the cultivated land were combined to construct a matrix. The cultivated land patches must be selected according to the “scale limitation, stability priority, and quality superiority” principle. Finally, basic farmland covering an area of 75,946.34 hm2 was delineated, whose average quality index and spatial stability increased by 0.02 and 0.04, respectively. The landscape structure is more stable than the originally planned structure, which is conducive to the sustainable development of the cultivated land ecosystem. That is, a good delimitation effect was achieved, providing a reference for actual delimitation work.

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Funding

This research is funded by the Science and Technology Project of Education Department of Jiangxi Province (GJJ200424); the Research project of Humanities and Social Sciences in Colleges and Universities of Jiangxi Province (JC19221); the National Natural Science Foundation of China (41361049).

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Lihua Kuang: resources, methodology, software, and writing—original draft. Yingcong Ye: data collection and editing. Xiaomin Zhao: resources and guidance. Xi Guo: data resources; Wen Xie: conceptualization.

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Correspondence to Lihua Kuang.

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The authors declare no competing interests.

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Kuang, L., Ye, Y., Zhao, X. et al. Delineation of basic farmland based on the quality and spatial stability: a case study of Yingtan City, China. Environ Sci Pollut Res 29, 88737–88750 (2022). https://doi.org/10.1007/s11356-022-21982-5

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  • DOI: https://doi.org/10.1007/s11356-022-21982-5

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