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North Sea cod recovery? Horwood, J.; O’Brien, C.; Darby, C. (2006). North Sea cod recovery? ICES J. Mar. Sci./J. Cons. int. Explor. Mer 63: 961-968. https://dx.doi.org/10.1016/j.icesjms.2006.05.001 In: ICES Journal of Marine Science. Academic Press: London. ISSN 1054-3139; e-ISSN 1095-9289

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Beschikbaar in	Auteurs
VLIZ: Open access 248385 [ download pdf ]

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Trefwoorden

ANE, English Channel ANE, North Sea ANE, Skagerrak Beam trawlers Data > Fishery data > Fishing effort Forestry > Forestry practices > Logging > Landings Longline Population characteristics > Biomass Recovery Gadus morhua Linnaeus, 1758 [WoRMS] Kanaal [Marine Regions]; Noordzee [Marine Regions]; Skagerrak [Marine Regions] Marien/Kust

Author keywords

fisheries management, fishing effort, recovery plans

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Auteurs		Top
Horwood, J. O’Brien, C. Darby, C.

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Abstract

Recovery of depleted marine, demersal, commercial fish stocks has proved elusive worldwide. As yet, just a few shared or highly migratory stocks have been restored. Here we review the current status of the depleted North Sea cod (Gadus morhua), the scientific advice to managers, and the recovery measures in place. Monitoring the progress of North Sea cod recovery is now hampered by considerable uncertainties in stock assessments associated with low stock size, variable survey indices, and inaccurate catch data. In addition, questions arise as to whether recovery targets are achievable in a changing natural environment. We show that current targets are achievable with fishing mortality rates that are compatible with international agreements even if recruitment levels remain at the current low levels. Furthermore, recent collations of data on international fishing effort have allowed estimation of the cuts in fishing mortality achieved by restrictions on North Sea effort. By the beginning of 2005, these restrictions are estimated to have reduced fishing mortality rates by about 37%. This is insufficient to ensure recovery of North Sea cod within the next decade.

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