Regime shift dynamics, tipping points and the success of fisheries management

HIGHLIGHTS

SUMMARY

    The authors first analysed time-series of fishing mortality (F), spawn- ing stock biomass (SSB) and recruitment (R) to compare stock development and status among the target fish stocks of the study and to identify potential abrupt changes. Plaice and hake responded immediately with strong increases to unprecedented levels in SSB, far above the limit reference level (MSY ­Btrigger; the threshold SSB triggering a reduction in ­FMSY3) (Fig 1-middle column). Low responses in SSB to decreasing fishing mortalities are observed for the remaining species, in haddock only noticeable with a peak year. Statistical . . .

     

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