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Analysis of the Ecosystem Structure and Energy Flow in the Waters of the Wangjiadao Islands

Author

Listed:
  • Zhongfang Zhao

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China
    College of Fisheries and Life, Dalian Ocean University, Dalian 116086, China
    These authors contributed equally to this work.)

  • Jiaqi Sun

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China
    College of Fisheries and Life, Dalian Ocean University, Dalian 116086, China
    These authors contributed equally to this work.)

  • Zengqiang Yin

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China)

  • Jiuru Cui

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China
    College of Fisheries and Life, Dalian Ocean University, Dalian 116086, China)

  • Haifeng Gu

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China)

  • Yan Wang

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China)

  • Jiaxing Li

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China
    College of Fisheries and Life, Dalian Ocean University, Dalian 116086, China)

  • Min Xu

    (East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200031, China)

  • Jisong Yang

    (College of Marine Science and Environment, Dalian Ocean University, Dalian 116086, China
    College of Fisheries and Life, Dalian Ocean University, Dalian 116086, China)

  • Tao Tian

    (College of Fisheries and Life, Dalian Ocean University, Dalian 116086, China)

Abstract

Marine islands play a crucial role in marine ecosystems. The waters of the Wangjiadao islands, which are located in the Northern Yellow Sea, are one of the typical island ecosystems. Sea cucumbers and shellfish are important target species, but information on ecological capacity is lacking. Using the EWE model, a food web model was constructed for the waters of Wangjiadao Island in order to estimate the potential biomass of selected species that could proliferate without destabilizing the ecosystem. The model consists of 22 functional groups that were selected for their functional roles within the ecosystem and the availability of data. The potential for fishery biomass enhancement is significant, with sea cucumber biomass increasing by 242%, Mizuhopecten yessoensis biomass increasing by 42%, Chlamys farreri biomass increasing by 1.6%, Ruditapes philippinarum biomass increasing by 0.5% and Portunus trituberculatus biomass increasing by 134%, reflecting the development of the Wangjiadao Islands water’s ecosystem, and the results can be used as a reference for fisheries resource management.

Suggested Citation

  • Zhongfang Zhao & Jiaqi Sun & Zengqiang Yin & Jiuru Cui & Haifeng Gu & Yan Wang & Jiaxing Li & Min Xu & Jisong Yang & Tao Tian, 2023. "Analysis of the Ecosystem Structure and Energy Flow in the Waters of the Wangjiadao Islands," Sustainability, MDPI, vol. 15(5), pages 1-13, February.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:5:p:4104-:d:1078746
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    References listed on IDEAS

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    2. Fetahi, Tadesse & Mengistou, Seyoum, 2007. "Trophic analysis of Lake Awassa (Ethiopia) using mass-balance Ecopath model," Ecological Modelling, Elsevier, vol. 201(3), pages 398-408.
    3. Wang, Stanley D. H. & Zhan, Bing-yi, 1992. "Marine fishery resource management in PR China," Marine Policy, Elsevier, vol. 16(3), pages 197-209, May.
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