Achieving maximum sustainable yield in mixed fisheries: a management approach for the North Sea demersal fisheries. Ulrich, C., Vermard, Y., Dolder, P. J., Brunel, T., Jardim, E., Holmes, S. J., Kempf, A., Mortensen, L. O., Poos, J., & Rindorf, A. ICES JOURNAL OF MARINE SCIENCE, 74(2):566-575, OXFORD UNIV PRESS, GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND, MAR, 2017.
doi  abstract   bibtex   
Achieving single species maximum sustainable yield (MSY) in complex and dynamic fisheries targeting multiple species (mixed fisheries) is challenging because achieving the objective for one species may mean missing the objective for another. The North Sea mixed fisheries are a representative example of an issue that is generic across most demersal fisheries worldwide, with the diversity of species and fisheries inducing numerous biological and technical interactions. Building on a rich knowledge base for the understanding and quantification of these interactions, new approaches have emerged. Recent paths towards operationalizing MSY at the regional scale have suggested the expansion of the concept into a desirable area of ``pretty good yield'', implemented through a range around FMSY that would allow for more flexibility in management targets. This article investigates the potential of FMSY ranges to combine long-term single-stock targets with flexible, short-term, mixed-fisheries management requirements applied to the main North Sea demersal stocks. It is shown that sustained fishing at the upper bound of the range may lead to unacceptable risks when technical interactions occur. An objective method is suggested that provides an optimal set of fishing mortality within the range, minimizing the risk of total allowable catch mismatches among stocks captured within mixed fisheries, and addressing explicitly the trade-offs between the most and least productive stocks.
@article{ ISI:000398110100010,
Author = {Ulrich, Clara and Vermard, Youen and Dolder, Paul J. and Brunel, Thomas
   and Jardim, Ernesto and Holmes, Steven J. and Kempf, Alexander and
   Mortensen, Lars O. and Poos, Jan-Jaap and Rindorf, Anna},
Title = {{Achieving maximum sustainable yield in mixed fisheries: a management
   approach for the North Sea demersal fisheries}},
Journal = {{ICES JOURNAL OF MARINE SCIENCE}},
Year = {{2017}},
Volume = {{74}},
Number = {{2}},
Pages = {{566-575}},
Month = {{MAR}},
Abstract = {{Achieving single species maximum sustainable yield (MSY) in complex and
   dynamic fisheries targeting multiple species (mixed fisheries) is
   challenging because achieving the objective for one species may mean
   missing the objective for another. The North Sea mixed fisheries are a
   representative example of an issue that is generic across most demersal
   fisheries worldwide, with the diversity of species and fisheries
   inducing numerous biological and technical interactions. Building on a
   rich knowledge base for the understanding and quantification of these
   interactions, new approaches have emerged. Recent paths towards
   operationalizing MSY at the regional scale have suggested the expansion
   of the concept into a desirable area of ``pretty good yield{''},
   implemented through a range around FMSY that would allow for more
   flexibility in management targets. This article investigates the
   potential of FMSY ranges to combine long-term single-stock targets with
   flexible, short-term, mixed-fisheries management requirements applied to
   the main North Sea demersal stocks. It is shown that sustained fishing
   at the upper bound of the range may lead to unacceptable risks when
   technical interactions occur. An objective method is suggested that
   provides an optimal set of fishing mortality within the range,
   minimizing the risk of total allowable catch mismatches among stocks
   captured within mixed fisheries, and addressing explicitly the
   trade-offs between the most and least productive stocks.}},
Publisher = {{OXFORD UNIV PRESS}},
Address = {{GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Ulrich, C (Reprint Author), Tech Univ Denmark, DTU Aqua Natl Inst Aquat Resources, Charlottenlund Castle,Jaegersborg 1, DK-2920 Charlottenlund, Denmark.
   Ulrich, Clara; Mortensen, Lars O.; Rindorf, Anna, Tech Univ Denmark, DTU Aqua Natl Inst Aquat Resources, Charlottenlund Castle,Jaegersborg 1, DK-2920 Charlottenlund, Denmark.
   Vermard, Youen, IFREMER, Ctr Atlant, Rue Ille Yeu BP 21105, F-44311 Nantes 03, France.
   Dolder, Paul J., CEFAS, Pakefield Rd, Lowestoft NR33 0HT, Suffolk, England.
   Brunel, Thomas, Wageningen IMARES, Inst Marine Resources \& Ecosyst Studies, POB 68, NL-1970 AB Ijmuiden, Netherlands.
   Jardim, Ernesto; Holmes, Steven J., European Commiss, Joint Res Ctr, Ispra, Italy.
   Kempf, Alexander, Thunen Inst Sea Fisheries, Palmaille 9,Altona, D-22767 Hamburg, Germany.}},
DOI = {{10.1093/icesjms/fsw126}},
ISSN = {{1054-3139}},
EISSN = {{1095-9289}},
Keywords = {{choke species; Common Fisheries Policy; fleet modelling; FMSY ranges;
   landing obligation; management plan; pretty good yield}},
Keywords-Plus = {{TRAWL FISHERY; FRAMEWORK; DISCARDS; LESSONS; POLICY; MSY; COD; INFORM}},
Research-Areas = {{Fisheries; Marine \& Freshwater Biology; Oceanography}},
Web-of-Science-Categories  = {{Fisheries; Marine \& Freshwater Biology; Oceanography}},
Author-Email = {{clu@aqua.dtu.dk}},
ORCID-Numbers = {{Vermard, Youen/0000-0003-2828-2815}},
Funding-Acknowledgement = {{European Community {[}289257, 289192]; Horizon 2020 Programme {[}633680]}},
Funding-Text = {{This work is the result of scientific and policy developments channelled
   over multiple forums for the different authors. This includes various
   ICES and STECF working groups as well as research projects, including
   funding from the European Community's Seventh Framework Programme
   (FP7/2007-2013) under grant agreements MYFISH number 289257 and SOCIOEC
   number 289192, as well as Horizon 2020 Programme under grant agreement
   DiscardLess number 633680. This support is gratefully acknowledged.}},
Number-of-Cited-References = {{44}},
Times-Cited = {{2}},
Usage-Count-Last-180-days = {{8}},
Usage-Count-Since-2013 = {{8}},
Journal-ISO = {{ICES J. Mar. Sci.}},
Doc-Delivery-Number = {{EQ5GI}},
Unique-ID = {{ISI:000398110100010}},
OA = {{No}},
DA = {{2017-08-17}},
}

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