Complex assessments or simple management procedures for efficient fisheries management: a comparative study

 

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dc.contributor.author Geromont, Helena F
dc.contributor.author Butterworth, Doug S
dc.date.accessioned 2016-03-14T12:16:42Z
dc.date.available 2016-03-14T12:16:42Z
dc.date.issued 2015
dc.identifier http://dx.doi.org/10.1093/icesjms/fsu017
dc.identifier.citation Geromont, H. F., & Butterworth, D. S. (2015). Complex assessments or simple management procedures for efficient fisheries management: a comparative study. ICES Journal of Marine Science: Journal du Conseil, 72(1), 262-274. en_ZA
dc.identifier.issn 1054-3139 en_ZA
dc.identifier.uri http://hdl.handle.net/11427/17773
dc.identifier.uri http://icesjms.oxfordjournals.org/content/early/2014/02/25/icesjms.fsu017
dc.description.abstract Complex stock assessment methods are data- and expertise-hungry, with the annual updates of catch-at-age data and models typically seen as an essential requirement for sound management. But are the heavy commitments of resources required for this level of annual intervention really necessary to achieve efficient long-term fishery management? This question is addressed through a retrospective analysis of management performance over the last 20 years for four North Atlantic fish stocks. The assessments for two of these stocks have exhibited fairly strong retrospective patterns. The actual assessment advice for these stocks was provided based on complex assessment methods making use of age data. The outcomes are compared with what could have been achieved with much simpler catch control rules based upon age-aggregated survey indices alone. Even for the stocks whose assessments exhibit retrospective patterns, these simple rules can achieve virtually equivalent catch and risk performance, with much less interannual TAC variability, compared with what actually occurred over the past 20 years. en_ZA
dc.language eng en_ZA
dc.publisher Oxford University Press en_ZA
dc.source ICES Journal of Marine Science en_ZA
dc.source.uri http://icesjms.oxfordjournals.org/
dc.subject.other complex assessments
dc.subject.other empirical management procedures
dc.subject.other hindsight/forecast projections
dc.subject.other management performance
dc.subject.other retrospective comparison
dc.title Complex assessments or simple management procedures for efficient fisheries management: a comparative study en_ZA
dc.type Journal Article en_ZA
dc.date.updated 2016-03-14T12:12:03Z
uct.type.publication Research en_ZA
uct.type.resource Article en_ZA
uct.subject.keywords complex assessments; empirical management procedures; hindsight/forecast projections; management performance; retrospective comparison en_ZA
dc.publisher.institution University of Cape Town
dc.publisher.faculty Faculty of Science en_ZA
dc.publisher.department Marine Resource Assessment and Management Group en_ZA
uct.type.filetype Text


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