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Coupling Coordination Degree of Land, Ecology, and Food and Its Influencing Factors in Henan Province

Author

Listed:
  • Xian Yang

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

  • Donghao Li

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

  • Miao Wang

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

  • Xinjie Shi

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

  • Yong Wu

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

  • Ling Li

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

  • Wenpei Cai

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

Abstract

Studying the spatiotemporal evolution characteristics of the coupling coordination of the land–ecology–food system (LEF) aids in promoting green agricultural development and regional resource management. This study enriches food indicators under the dietary structure and uses the coupling coordination degree model to analyze the coupling coordination relationship among the LEF of 18 cities in Henan Province from 2011 to 2020. The gray relational degree model is used to investigate the main influencing factors determining the synergistic development of the system. The results show that the comprehensive development index of the LEF in Henan Province ranges between 0.4 and 0.6. The overall comprehensive evaluation index of various cities is ranked as Southern Henan > Eastern Henan > Central Henan > Northern Henan > Western Henan, with the greatest fluctuation observed in the food subsystem. During the study period, the coupling degree of Henan’s LEF ranged from 0.277 to 0.996, indicating stages from low- to high-level coupling. The coupling coordination degree ranged from 0.338 to 0.775, generally bordering on imbalance and barely coordinated. The impact of each subsystem evaluation index on the system’s coupling coordination degree can be ranked as food subsystem > ecology subsystem > land subsystem, with the correlation degree of internal indicators of the food and ecology subsystems with the system’s coupling coordination degree being over 85%, emphasizing the importance of strict management. In summary, the coupling coordination of the LEF system in Henan Province urgently needs to be improved; especially, the coordination of the agricultural system is particularly important. Clarifying the spatiotemporal pattern of the LEF coupling and its coordination can provide a scientific basis for the coordinated development of land use, agricultural ecology, and grain production in Henan Province.

Suggested Citation

  • Xian Yang & Donghao Li & Miao Wang & Xinjie Shi & Yong Wu & Ling Li & Wenpei Cai, 2024. "Coupling Coordination Degree of Land, Ecology, and Food and Its Influencing Factors in Henan Province," Agriculture, MDPI, vol. 14(9), pages 1-17, September.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:9:p:1612-:d:1478277
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    References listed on IDEAS

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    1. Zhu, Yuanyuan & Wang, Ziwei & Zhu, Xiaohua, 2023. "New reflections on food security and land use strategies based on the evolution of Chinese dietary patterns," Land Use Policy, Elsevier, vol. 126(C).
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