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Global fishery prospects under contrasting management regimes

Proceedings of the National Academy of Sciences - PNAS, 2016-05, Vol.113 (18), p.5125-5129 [Peer Reviewed Journal]

Volumes 1–89 and 106–113, copyright as a collective work only; author(s) retains copyright to individual articles ;Copyright National Academy of Sciences May 3, 2016 ;ISSN: 0027-8424 ;EISSN: 1091-6490 ;DOI: 10.1073/pnas.1520420113 ;PMID: 27035953

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  • Title:
    Global fishery prospects under contrasting management regimes
  • Author: Costello, Christopher ; Ovando, Daniel ; Clavelle, Tyler ; Strauss, C. Kent ; Hilborn, Ray ; Melnychuk, Michael C. ; Branch, Trevor A. ; Gaines, Steven D. ; Szuwalski, Cody S. ; Cabral, Reniel B. ; Rader, Douglas N. ; Leland, Amanda
  • Subjects: Animals ; Biological Sciences ; Biomass ; Conservation of Natural Resources ; Fisheries - economics ; Fisheries management ; Fishes ; Food Supply ; Globalization ; Humans ; Impact analysis ; Marine ; Reforms ; Social Sciences
  • Is Part Of: Proceedings of the National Academy of Sciences - PNAS, 2016-05, Vol.113 (18), p.5125-5129
  • Description: Data from 4,713 fisheries worldwide, representing 78% of global reported fish catch, are analyzed to estimate the status, trends, and benefits of alternative approaches to recovering depleted fisheries. For each fishery, we estimate current biological status and forecast the impacts of contrasting management regimes on catch, profit, and biomass of fish in the sea. We estimate unique recovery targets and trajectories for each fishery, calculate the year-by-year effects of alternative recovery approaches, and model how alternative institutional reforms affect recovery outcomes. Current status is highly heterogeneous—the median fishery is in poor health (overfished,with further overfishing occurring), although 32% of fisheries are in good biological, although not necessarily economic, condition. Our business-as-usual scenario projects further divergence and continued collapse for many of the world’s fisheries. Applying sound management reforms to global fisheries in our dataset could generate annual increases exceeding 16 million metric tons (MMT) in catch, $53 billion in profit, and 619 MMT in biomass relative to business as usual. We also find that, with appropriate reforms, recovery can happen quickly, with the median fishery taking under 10 y to reach recovery targets. Our results show that commonsense reforms to fishery management would dramatically improve overall fish abundance while increasing food security and profits.
  • Publisher: United States: National Academy of Sciences
  • Language: English
  • Identifier: ISSN: 0027-8424
    EISSN: 1091-6490
    DOI: 10.1073/pnas.1520420113
    PMID: 27035953
  • Source: Geneva Foundation Free Medical Journals at publisher websites
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    PubMed Central
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