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Rural Settlement Optimization for Ecologically Sensitive Area Evaluations Based on Geo-Proximity and the Soil–Water Conservation Capacity

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  • Ruiyi Lou

    (College of Earth Science, Jilin University, Changchun 130061, China)

  • Dongyan Wang

    (College of Earth Science, Jilin University, Changchun 130061, China)

Abstract

Rural communities in ecologically sensitive areas are confronted with environmental challenges and land waste. The hollowing out of villages because of the steady loss of young people has brought these problems to the fore. Research on the remediation of rural settlements in ecologically sensitive regions is scarce. This paper focuses on Tong Yu County, a region located in the agricultural and pastoral intertwined zones of western Jilin, which is known for its ecological sensitivity. On the basis of the results of the geographical assessment of the area via hierarchical analysis (AHP method) and soil and water conservation capacity evaluation via the revised universal soil loss equation model (RUSLE) and the net primary production quantitative index model (NPP model), we propose a rural development program that divides the study area into three different zones with different development orientations, namely, potential enhancement, agglomeration development, and expansion restrictions. Moreover, we conceived a rural settlement remediation scheme using the kernel density estimation method and provided remediation strategies for rural settlements of various density levels. The rural settlement development program and the rural settlement remediation scheme led to the optimization of rural settlements. Notably, with increasing kernel density, the area of rural settlements tends to increase and then decrease. Our research helps save 5.059 km 2 of land resources in the study area and offers guidance for improving the rural settlement layout in Tong Yu County.

Suggested Citation

  • Ruiyi Lou & Dongyan Wang, 2024. "Rural Settlement Optimization for Ecologically Sensitive Area Evaluations Based on Geo-Proximity and the Soil–Water Conservation Capacity," Land, MDPI, vol. 13(7), pages 1-19, July.
    • Handle: RePEc:gam:jlands:v:13:y:2024:i:7:p:1071-:d:1436382
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    References listed on IDEAS

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    1. Weiming Tong & Kevin Lo & Pingyu Zhang, 2020. "Land Consolidation in Rural China: Life Satisfaction among Resettlers and Its Determinants," Land, MDPI, vol. 9(4), pages 1-15, April.
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