High seas fisheries play a negligible role in addressing global food security

Laurenne Schiller, Megan Bailey, Jennifer Jacquet, Enric Sala

    Research output: Contribution to journalArticle

    Abstract

    Recent international negotiations have highlighted the need to protect marine diversity on the high seas—the ocean area beyond national jurisdiction. However, restricting fishing access on the high seas raises many concerns, including how such restrictions would affect food security. We analyze high seas catches and trade data to determine the contribution of the high seas catch to global seafood production, the main species caught on the high seas, and the primary markets where these species are sold. By volume, the total catch from the high seas accounts for 4.2% of annual marine capture fisheries production and 2.4% of total seafood production, including freshwater fisheries and aquaculture. Thirty-nine fish and invertebrate species account for 99.5% of the high seas targeted catch, but only one species, Antarctic toothfish, is caught exclusively on the high seas. The remaining catch, which is caught both on the high seas and in national jurisdictions, is made up primarily of tunas, billfishes, small pelagic fishes, pelagic squids, toothfish, and krill. Most high seas species are destined for upscale food and supplement markets in developed, food-secure countries, such as Japan, the European Union, and the United States, suggesting that, in aggregate, high seas fisheries play a negligible role in ensuring global food security.

    Original languageEnglish (US)
    Article numbereaat8351
    JournalScience advances
    Volume4
    Issue number8
    DOIs
    StatePublished - Aug 8 2018

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    food security
    fishery
    seafood
    sea
    fishery production
    market
    food
    pelagic fish
    aquaculture
    European Union
    fishing
    invertebrate
    ocean
    fish

    ASJC Scopus subject areas

    • General

    Cite this

    High seas fisheries play a negligible role in addressing global food security. / Schiller, Laurenne; Bailey, Megan; Jacquet, Jennifer; Sala, Enric.

    In: Science advances, Vol. 4, No. 8, eaat8351, 08.08.2018.

    Research output: Contribution to journalArticle

    Schiller, Laurenne ; Bailey, Megan ; Jacquet, Jennifer ; Sala, Enric. / High seas fisheries play a negligible role in addressing global food security. In: Science advances. 2018 ; Vol. 4, No. 8.
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