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A Protected Area Connectivity Evaluation and Strategy Development Framework for Post-2020 Biodiversity Conservation

Author

Listed:
  • Zhicong Zhao

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China
    These authors contributed equally to this work.)

  • Pei Wang

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China
    These authors contributed equally to this work.)

  • Xiaoshan Wang

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China)

  • Fangyi Wang

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China)

  • Tz-Hsuan Tseng

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China)

  • Yue Cao

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China)

  • Shuyu Hou

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China)

  • Jiayuan Peng

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China)

  • Rui Yang

    (Institute for National Parks, Tsinghua University, Beijing 100084, China
    Department of Landscape Architecture, School of Architecture, Tsinghua University, Beijing 100084, China)

Abstract

Maintaining and improving the connectivity of protected areas (PAs) is essential for biodiversity conservation. The Post-2020 Global Biodiversity Framework (GBF) aims to expand the coverage of well-connected PAs and other effective area-based conservation measures to 30% by 2030. We proposed a framework to evaluate the connectivity of PAs and developed strategies to maintain and improve the connectivity of PAs based on PA connectivity indicators, and we applied this framework to China’s terrestrial PAs. We considered that the concept of PA connectivity is at the level of both PA patches and PA networks, including four aspects: intra-patch connectivity, inter-patch connectivity, network connectivity, and PA–landscape connectivity. We found that among China’s 2153 terrestrial PA patches, only 427 had good intra-patch connectivity, and their total area accounted for 11.28% of China’s land area. If inter-patch connectivity, network connectivity, and PA–landscape connectivity were taken as the criteria to evaluate PA connectivity, respectively, then the coverage of well-connected terrestrial PAs in China was only 4.07%, 8.30%, and 5.92%, respectively. Only seven PA patches have good connectivity of all four aspects, covering only 2.69% of China’s land. The intra-patch, inter-patch, network, and PA–landscape connectivity of China’s terrestrial PA network reached 93.41%, 35.40%, 58.43%, and 8.58%, respectively. These conclusions indicated that there is still a big gap between China’s PA connectivity and the Post-2020 GBF target, which urgently needs to be improved. We identified PA patches and PA networks of ecological zones that need to improve PA connectivity and identified improvement priorities for them. We also identified priority areas for connectivity restoration in existing PAs, potential ecological corridors between PAs, and priority areas for PA expansion to improve the connectivity of PAs in China. Application of our framework elsewhere should help governments and policymakers reach ambitious biodiversity conservation goals at national and global scales.

Suggested Citation

  • Zhicong Zhao & Pei Wang & Xiaoshan Wang & Fangyi Wang & Tz-Hsuan Tseng & Yue Cao & Shuyu Hou & Jiayuan Peng & Rui Yang, 2022. "A Protected Area Connectivity Evaluation and Strategy Development Framework for Post-2020 Biodiversity Conservation," Land, MDPI, vol. 11(10), pages 1-17, September.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:10:p:1670-:d:927164
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    References listed on IDEAS

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    3. Michelle Ward & Santiago Saura & Brooke Williams & Juan Pablo Ramírez-Delgado & Nur Arafeh-Dalmau & James R. Allan & Oscar Venter & Grégoire Dubois & James E. M. Watson, 2020. "Just ten percent of the global terrestrial protected area network is structurally connected via intact land," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
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