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Assessment of Land Ecological Security and Analysis of Influencing Factors in Chaohu Lake Basin, China from 1998–2018

Author

Listed:
  • Mingxin Wen

    (School of Public Policy and Management, China University of Mining and Technology, Xuzhou 221116, China)

  • Ting Zhang

    (School of Public Policy and Management, China University of Mining and Technology, Xuzhou 221116, China)

  • Long Li

    (School of Public Policy and Management, China University of Mining and Technology, Xuzhou 221116, China
    Department of Geography, Earth System Science, Vrije Universiteit Brussel, 1050 Brussels, Belgium)

  • Longqian Chen

    (School of Public Policy and Management, China University of Mining and Technology, Xuzhou 221116, China)

  • Sai Hu

    (School of Humanities and Law, Jiangsu Ocean University, Lianyungang 222005, China)

  • Jia Wang

    (School of Public Policy and Management, China University of Mining and Technology, Xuzhou 221116, China)

  • Weiqiang Liu

    (School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Yu Zhang

    (Institute of Land Resource, School of Geography, Geomatics and Planning, Jiangsu Normal University, Xuzhou 221116, China)

  • Lina Yuan

    (School of Public Policy and Management, China University of Mining and Technology, Xuzhou 221116, China)

Abstract

The land ecosystem provides essential natural resources for the survival and development of human beings. Therefore, land ecological security (LES) acts as a vital part of the sustainable development of human society and economy. This study included a dynamic analysis of land use change in Chaohu Lake Basin (CLB) in China from 1998 to 2018, evaluating the spatiotemporal patterns of LES at both the administrative district scale and grid scale (200 m × 200 m). Then, geographic detector was applied to analyze the influence of the assessment index on LES. The results show that in the 2008–2018 period, land use changed more significantly compared to the 1998–2008 period. The continuous extension of urban land led to a decrease in the areas of other land use types. In the CLB (administrative district scale), the LES levels varied throughout the study period. In Changfeng, Feixi, and the other three regions, the LES has been significantly improved. However, the LES in six other regions showed different degrees of decline, particularly in Hexian and Urban Hefei. Simultaneously, the LES showed a gradual improvement at a 200 m × 200 m grid scale level. The influence of anthropogenic factors on the LES was stronger than natural factors. Findings from this study provide reliable guidance for improving the ecosystem environment in ecologically fragile areas.

Suggested Citation

  • Mingxin Wen & Ting Zhang & Long Li & Longqian Chen & Sai Hu & Jia Wang & Weiqiang Liu & Yu Zhang & Lina Yuan, 2021. "Assessment of Land Ecological Security and Analysis of Influencing Factors in Chaohu Lake Basin, China from 1998–2018," Sustainability, MDPI, vol. 13(1), pages 1-28, January.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:1:p:358-:d:474038
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    Cited by:

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    2. Renyi Yang & Wanying Du & Zisheng Yang, 2021. "Spatiotemporal Evolution and Influencing Factors of Urban Land Ecological Security in Yunnan Province," Sustainability, MDPI, vol. 13(5), pages 1-17, March.
    3. Yong Lai & Guangqing Huang & Shengzhong Chen & Shaotao Lin & Wenjun Lin & Jixin Lyu, 2021. "Land Use Dynamics and Optimization from 2000 to 2020 in East Guangdong Province, China," Sustainability, MDPI, vol. 13(6), pages 1-24, March.
    4. Ting Zhang & Qian Gao & Huaming Xie & Qianjiao Wu & Yuwen Yu & Chukun Zhou & Zixian Chen & Hanqing Hu, 2022. "Response of Water Yield to Future Climate Change Based on InVEST and CMIP6—A Case Study of the Chaohu Lake Basin," Sustainability, MDPI, vol. 14(21), pages 1-19, October.

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