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Connectivity Index-Based Identification of Priority Area of River Protected Areas in Sichuan Province, Southwest China

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  • Min Zhao

    (School of Architecture and Planning, Yunnan University, Kunming 650500, China
    School of Business and Tourism Management, Yunnan University, Kunming 650500, China)

  • Chenyang Li

    (School of Architecture and Planning, Yunnan University, Kunming 650500, China)

  • Denielle M. Perry

    (School of Earth & Sustainability, Northern Arizona University, Flagstaff, AZ 86011, USA)

  • Yuxiao Zhang

    (School of Architecture and Planning, Yunnan University, Kunming 650500, China)

  • Yuwen He

    (School of Business and Tourism Management, Yunnan University, Kunming 650500, China)

  • Peng Li

    (School of Business and Tourism Management, Yunnan University, Kunming 650500, China
    Planning and Research Institute of China National Park, Kunming 650216, China)

Abstract

Identification of the priority area is of great significance for the rational layout of river protected areas (RPAs), and it also poses new challenges for protected areas’ (PAs) construction. This study started with the characteristics of RPAs and chose China’s Sichuan Province as the case for the present study, based on its characteristics of biodiversity conservation value and other characteristic elements. The study selected the river dendritic connectivity index and the other four indicators adding them according to different weights to calculate the comprehensive protected value (CPV) area. Finally, the existing PA distributions within the CPV were compared, and the priority conservation area was identified. The main conclusions are as follows: the total area of high-value areas is about 175,068 km 2 , accounting for 36.02% of the province and concentrated in the high mountain plateaus of the northwest and the southwest mountain region; the existing PAs are 131,687 km 2 in sized, covering only 25.08% of the high-value areas of CPV. In other words, 74.92% of the high-value areas still have not been effectively protected, and the construction of RPAs is relatively lagging in these areas; the total area of priority conservation areas (PCAs) is 131,162 km 2 , accounting for about 26.99% of the province. The total length of the reach in the PCAs is about 9190.72 km, which is approximately 26.84% of the length of the province’s alternative reaches. The research can provide a scientific basis for the optimization and integration of nature protected areas and land space planning.

Suggested Citation

  • Min Zhao & Chenyang Li & Denielle M. Perry & Yuxiao Zhang & Yuwen He & Peng Li, 2022. "Connectivity Index-Based Identification of Priority Area of River Protected Areas in Sichuan Province, Southwest China," Land, MDPI, vol. 11(4), pages 1-21, March.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:4:p:490-:d:781497
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    References listed on IDEAS

    as
    1. Peng Li & Yuxiao Zhang & Weikun Lu & Min Zhao & Meng Zhu, 2020. "Identification of Priority Conservation Areas for Protected Rivers Based on Ecosystem Integrity and Authenticity: A Case Study of the Qingzhu River, Southwest China," Sustainability, MDPI, vol. 13(1), pages 1-23, December.
    2. Bo Mu & Guohang Tian & Gengyu Xin & Miao Hu & Panpan Yang & Yiwen Wang & Hao Xie & Audrey L. Mayer & Yali Zhang, 2021. "Measuring Dynamic Changes in the Spatial Pattern and Connectivity of Surface Waters Based on Landscape and Graph Metrics: A Case Study of Henan Province in Central China," Land, MDPI, vol. 10(5), pages 1-21, May.
    3. C. R. Margules & R. L. Pressey, 2000. "Systematic conservation planning," Nature, Nature, vol. 405(6783), pages 243-253, May.
    4. Abebe Tadesse Bulti, 2021. "The Influence of Dam Construction on the Catchment Hydrologic Behavior and its Effects on a Discharge Forecast in Hydrological Models," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 35(6), pages 2023-2037, April.
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