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Ecological risk assessment and restoration area identification of Pengyang County on the basis of the landscape pattern and function

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Abstract

The joint landscape ecological risk as well as ecological corridors for ecological restoration area identification is of great significance to the past evolution and future development of landscapes. Ecological risks were assessed based on the landscape pattern and functional changes in Pengyang County in 2000, 2010, and 2020; ecological restoration areas were divided based on ecological risks and security pattern. Results showed that the ecological risk types in Pengyang County were mainly low risk from 2000 to 2010 and distributed in the central region, while the high-risk areas increased from 2010 to 2020 and were concentrated in the southern residential area. According to a comprehensive assessment of the landscape ecological risks, an ecological security pattern consisting of 17 ecological source points and 34 potential ecological corridors with an average length of 6.57 km was identified. Three ecological restoration areas were eventually identified: mining restoration areas, mountain restoration area, and urban restoration area. Our results would provide an important perspective for the sustainable development of regional natural landscape resources.

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Funding

This research was supported by the project of General Station for Soil and Water Conservation Monitoring, Ningxia Hui Autonomous Region “Study on Technology and Paradigm for the Synergy between Soil and Water Conservation and Economic Development in Watershed, Ningxia,” and the PhD Start-up Fund of University of Science and Technology (2018QDJ047), the Natural Science Foundation of Shaanxi Province (2021JQ-563), and the National Natural Science Foundation of China (42001219).

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Authors and Affiliations

  1. College of Geomatics, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, People’s Republic of China

    Xinghua Li, Zemin Ai, Yuyan Yao, Mengjia Hou, Jiayi Li, Donghai Zhang & Ting Li

  2. General Station for Soil and Water Conservation Monitoring, Ningxia Hui Autonomous Region, Yinchuan, 750002, Ningxia, People’s Republic of China

    Zhi Yang & Zhengyan Ren

  3. Northwest Land Resources Research Center, Shaanxi Normal University, Xi’an, 710119, Shaanxi, People’s Republic of China

    Xiaoshu Cao

  4. State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an, 710048, Shaanxi, People’s Republic of China

    Peng Li

  5. College of Geology and Environment, Xi’an University of Science and Technology, Xi’an, 710054, Shaanxi, People’s Republic of China

    Xiaohu Dang

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  1. Xinghua Li
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  2. Zemin Ai
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  3. Zhi Yang
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  9. Peng Li
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Contributions

Xinghua Li: conceptualization, methodology, formal analysis, writing—original draft, validation. Zemin Ai: conceptualization, writing—review & editing, funding acquisition. Zhi Yang: investigation, supervision, funding acquisition. Yuyan Yao: conceptualization, methodology, formal analysis. Zhengyan Ren: investigation, project administration. Mengjia Hou: methodology, formal analysis. Jiayi Li: formal analysis, visualization. Xiaoshu Cao: conceptualization, supervision. Peng Li: conceptualization, project administration. Donghai Zhang: validation, funding acquisition. Ting Li: writing—review & editing. Xiaohu Dang: conceptualization, validation, writing—review & editing.

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Correspondence to Zemin Ai or Xiaohu Dang.

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Li, X., Ai, Z., Yang, Z. et al. Ecological risk assessment and restoration area identification of Pengyang County on the basis of the landscape pattern and function. Environ Monit Assess 195, 998 (2023). https://doi.org/10.1007/s10661-023-11596-w

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