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Sustainability Study of Scalloped Hammerhead Shark ( Sphyrna lewini ) in Indramayu Waters

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  • Zuzy Anna

    (Department of Fisheries, Faculty of Fisheries and Marine Science, Universitas Padjadjaran, Jl. Raya Bandung Sumedang Km. 21, Jatinangor, Sumedang 45363, Indonesia
    Center for Sustainable Development Goals Studies, UNPAD SDGs Center, Gedung CISRAL UNPAD, Jl. Dipatiukur No. 46, Bandung 40132, Indonesia)

  • Purna Hindayani

    (Department of Tourism, Faculty of Social Science Education, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 229, Bandung 40154, Indonesia)

  • Asep Agus Handaka Suryana

    (Department of Fisheries, Faculty of Fisheries and Marine Science, Universitas Padjadjaran, Jl. Raya Bandung Sumedang Km. 21, Jatinangor, Sumedang 45363, Indonesia)

  • Yudi Nurul Ihsan

    (Department of Fisheries, Faculty of Fisheries and Marine Science, Universitas Padjadjaran, Jl. Raya Bandung Sumedang Km. 21, Jatinangor, Sumedang 45363, Indonesia)

  • Asia Salsabila

    (Center for Sustainable Development Goals Studies, UNPAD SDGs Center, Gedung CISRAL UNPAD, Jl. Dipatiukur No. 46, Bandung 40132, Indonesia)

Abstract

Hammerhead shark ( Sphyrna lewini ) population decline is a global problem experienced by various ocean basins worldwide, including Indramayu waters. As the regency known by its fishery barn that supplies 65% of captured fisheries in West Java, Indonesia, illegal fishing practices towards this protected species is inevitable. In 2017, 2869 tons of sharks were landed in Indramayu with the production value of IDR 44.01 billion, which hammerhead shark catch reaches 268 tons. This research aimed to observe the sustainability of hammerhead shark in Indramayu waters using a bio-economic model of Gordon Schaefer (GS) and Gompertz. The results showed the overfishing of hammerhead shark in Indramayu waters on actual conditions in 2012, 2014, 2015, 2016, 2017, and 2018, both in the GS and Gompertz models. The abundant number of hammerhead sharks started to deplete from 2015 to 2018, and the highest depletion was found in 2017, with a depletion value of 16 tons and depreciation value of IDR 164 million. The depletion rate suffered the most significant decline in 2011 to 2012 for all types of sharks, including hammerhead. The prohibition of consistent fishing and more pronounced law enforcement for hammered shark fishing are needed to maintain the sustainability of this resource.

Suggested Citation

  • Zuzy Anna & Purna Hindayani & Asep Agus Handaka Suryana & Yudi Nurul Ihsan & Asia Salsabila, 2020. "Sustainability Study of Scalloped Hammerhead Shark ( Sphyrna lewini ) in Indramayu Waters," Sustainability, MDPI, vol. 12(24), pages 1-13, December.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:24:p:10459-:d:461935
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    References listed on IDEAS

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    1. Fong, Quentin S. W. & Anderson, James L., 2002. "International shark fin markets and shark management: an integrated market preference-cohort analysis of the blacktip shark (Carcharhinus limbatus)," Ecological Economics, Elsevier, vol. 40(1), pages 117-130, January.
    2. Amman, Hans M & Duraiappah, Anantha Kumar, 2001. "Modeling Instrumental Rationality, Land Tenure and Conflict Resolution," Computational Economics, Springer;Society for Computational Economics, vol. 18(3), pages 251-257, December.
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