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Resilience and recovery of overexploited marine populations
Neubauer, P.; Jensen, O.P.; Hutchings, J.A.; Baum, J.K. (2013). Resilience and recovery of overexploited marine populations. Science (Wash.) 340(6130): 347-349 + Supplementary materials. hdl.handle.net/10.1126/science.1230441
In: Science (Washington). American Association for the Advancement of Science: New York, N.Y. ISSN 0036-8075, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Neubauer, P.
  • Jensen, O.P.
  • Hutchings, J.A.
  • Baum, J.K.

Abstract
    Recovery of overexploited marine populations has been slow, and most remain below target biomass levels. A key question is whether this is due to insufficient reductions in harvest rates or the erosion of population resilience. Using a global meta-analysis of overfished stocks, we find that resilience of those stocks subjected to moderate levels of overfishing is enhanced, not compromised, offering the possibility of swift recovery. However, prolonged intense overexploitation, especially for collapsed stocks, not only delays rebuilding but also substantially increases the uncertainty in recovery times, despite predictable influences of fishing and life history. Timely and decisive reductions in harvest rates could mitigate this uncertainty. Instead, current harvest and low biomass levels render recovery improbable for the majority of the world’s depleted stocks.

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