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Sustainable use of flatfish resources: addressing the credibility crisis in mixed fisheries management
Rijnsdorp, A.D.; Daan, N.; Dekker, W.; Poos, J.-J.; Van Densen, W.L.T. (2007). Sustainable use of flatfish resources: addressing the credibility crisis in mixed fisheries management. J. Sea Res. 57(2-3): 114-125. https://dx.doi.org/10.1016/j.seares.2006.09.003
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101; e-ISSN 1873-1414, meer
Ook verschenen in:
Yamashita, Y.; Nash, R.D.M.; van der Veer, H.W. (Ed.) (2007). Proceedings of the Sixth International Symposium on Flatfish Ecology, Part 1, held at Maizuru, Kyoto, Japan from 20-25 October 2005. Journal of Sea Research, 57(Spec. Issue 2-3). Elsevier: Amsterdam. IV, 89-235 pp., meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Catchability
    Fisheries > Finfish fisheries > Flatfish fisheries
    Management > Resource management > Fishery management
    Total allowable catch
    Marien/Kust
Author keywords
    catchability; CFP; effort management; flatfish; fisheries management;mixed fisheries; TAC
Auteurs  Top 
  • Rijnsdorp, A.D., meer
  • Daan, N., meer
  • Dekker, W.
  • Poos, J.-J., meer
  • Van Densen, W.L.T., meer
Abstract
    Many flatfish species are caught in mixed demersal trawl fisheries and managed by Total Allowable Catch (TAC). Despite decades of fisheries management, several major stocks are severely depleted. Using the Common Fisheries Policy (CFP) as an example, the failure of mixed-fisheries management is analysed by focussing on: the management system; the role of science; the role of managers and politicians; the response of fisheries to management. Failure of the CFP management could be ascribed to: incorrect management advice owing to bias in stock assessments; the tendency of politicians to set the TAC well above the recommended level; and non-compliance of the fisheries with the management regulations. We conclude that TAC management, although apparently successful in some single-species fisheries, inevitably leads to unsustainable exploitation of stocks caught in mixed demersal fisheries as it promotes discarding of over-quota catch and misreporting of catches, thereby corrupting the basis of the scientific advice and increasing the risk of stock collapse. This failure in mixed demersal fisheries has resulted in the loss of credibility of both scientists and managers, and has undermined the support of fishermen for management regulations. An approach is developed to convert the TAC system into a system that controls the total allowable effort (TAE). The approach takes account of the differences in catch efficiency between fleets as well as seasonal changes in the distribution of the target species and can also be applied in the recovery plans for rebuilding specific components of the demersal fish community, such as plaice, cod and hake.
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