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Related Experiment Videos

The future for fisheries.

Daniel Pauly1, Jackie Alder, Elena Bennett

  • 1Sea Around Us Project, Fisheries Centre, University of British Columbia, Vancouver, BC V6T 1Z4, Canada. d.pauly@fisheries.ubc.ca

Science (New York, N.Y.)
|November 25, 2003
PubMed
Summary
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Global marine fisheries face declining catches and biodiversity loss due to current trends. However, examining four societal development scenarios indicates that negative trends can be reversed, and marine ecosystems can be partially rebuilt.

Area of Science:

  • Marine biology
  • Fisheries science
  • Ecosystem management

Background:

  • Formal analyses of long-term global marine fisheries prospects are lacking.
  • Current fisheries research prioritizes local, species-specific management.
  • Present trends suggest expansion into deeper waters and declining global catches, potentially worsened by fuel costs.

Purpose of the Study:

  • To analyze long-term global marine fisheries prospects.
  • To evaluate the impact of different societal development choices on fisheries and ecosystems.
  • To identify potential pathways for reversing negative trends and rebuilding marine ecosystems.

Main Methods:

  • Extrapolation of present fisheries trends.
  • Examination of four distinct societal development scenarios.

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  • Assessment of impacts on biodiversity and global catch.

    • Main Results:

    • Without intervention, trends point to deeper water expansion, biodiversity loss, and reduced global catches.
    • Four analyzed scenarios offer pathways to reverse negative trends.
    • Partial rebuilding of supporting marine ecosystems is achievable.

    Conclusions:

    • Current trajectory for global marine fisheries is unsustainable.
    • Societal development choices significantly influence future fisheries outcomes.
    • Proactive strategies can mitigate negative impacts and foster ecosystem recovery.