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Research on Fuzzy Evaluation of Land Environmental Security in Three Provinces of Northeast China

Author

Listed:
  • Yu Wang

    (Social Innovation Design Research Center, Anhui University, Hefei 203106, China)

  • Hanru Zhou

    (Social Innovation Design Research Center, Anhui University, Hefei 203106, China)

  • Yanlong Guo

    (Social Innovation Design Research Center, Anhui University, Hefei 203106, China)

  • Linfu Zhang

    (Faculty of Arts and Social Sciences, Lancaster University, Lancaster LA1 4YB 122, UK)

Abstract

Among the world’s most important three chief black lands, China’s northeast region is a vital hub for the commercial extraction of grain, undertaking the task of grain reserves and special transfers. Utilizing the provincial data of the three northeastern provinces from 2010 to 2021, and using existing documents and records as essential elements, we structured a land security appraisal system with five criterion layers and 21 indicator layers of pressure, state, impact, response, and management. The three provinces in the northeast were evaluated for the security of their land resources using the entropy-dependent weight-TOPSIS pattern. The study findings indicate that: (1) In general, land resource security of the three northeastern provinces shows a pattern of decline followed by a gradual increase from 2012 to 2021, and there is a steady improvement in the level of land’s ecological stability; (2) There are differences in the ecological stability of the soil across cities and provinces, with Heilongjiang Province having the best land security status and Liaoning Province having the worst; (3) The amount of soil erosion in tiny watersheds is the indicator that has the biggest influence on land ecological stability in the three provinces in the northeast; (4) The response layer is the criterion layer that has the strongest correlation with land ecological safety.

Suggested Citation

  • Yu Wang & Hanru Zhou & Yanlong Guo & Linfu Zhang, 2024. "Research on Fuzzy Evaluation of Land Environmental Security in Three Provinces of Northeast China," Sustainability, MDPI, vol. 16(12), pages 1-22, June.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:12:p:4907-:d:1411009
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    References listed on IDEAS

    as
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    4. Chengxiu Li & Xiuli Wang & Zhengxin Ji & Ling Li & Xiaoke Guan, 2022. "Optimizing the Use of Cultivated Land in China’s Main Grain-Producing Areas from the Dual Perspective of Ecological Security and Leading-Function Zoning," IJERPH, MDPI, vol. 19(20), pages 1-20, October.
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