Bioeconomic multistock reference points as a tool for overcoming the drawbacks of the landing obligation. Garcia, D., Prellezo, R., Sampedro, P., Da-Rocha, J. M., Castro, J., Cervino, S., Garcia-Cutrin, J., & Gutierrez, M. ICES JOURNAL OF MARINE SCIENCE, 74(2):511-524, OXFORD UNIV PRESS, GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND, MAR, 2017.
doi  abstract   bibtex   
The landing obligation policy was one of the major innovations introduced in the last Common Fisheries Policy reform in Europe. It is foreseen that the policy will affect the use of fishing opportunities and hence the economic performance of the fleets. The problem with fishing opportunities could be solved if single-stock total allowable catches (TACs) could be achieved simultaneously for all the stocks. In this study, we evaluate the economic impact of the landing obligation policy on the Spanish demersal fleet operating in the Iberian Sea region. To generate TAC advice, we used two sets of maximum sustainable yield (MSY) reference points, the single-stock MSY reference points defined by ICES and a set of multistock reference points calculated simultaneously using a bioeconomic optimization model. We found that the impact of the landing obligation is time and fleet dependent and highly influenced by assumptions about fleet dynamics. At fishery level, multistock reference points mitigate the decrease in the net present value generated by the implementation of the landing obligation. However at fleet level, the effect depends on the fleet itself and the period. To ensure the optimum use of fishing opportunities, the landing obligation should be accompanied by a management system that guarantees consistency between single-stock TACs. In this regard, multistock reference points represent an improvement over those currently in use. However, further investigation is necessary to enhance performance both at fleet level and in the long term.
@article{ ISI:000398110100006,
Author = {Garcia, Dorleta and Prellezo, Raul and Sampedro, Paz and Da-Rocha, Jose
   Maria and Castro, Jose and Cervino, Santiago and Garcia-Cutrin, Javier
   and Gutierrez, Maria-Jose},
Title = {{Bioeconomic multistock reference points as a tool for overcoming the
   drawbacks of the landing obligation}},
Journal = {{ICES JOURNAL OF MARINE SCIENCE}},
Year = {{2017}},
Volume = {{74}},
Number = {{2}},
Pages = {{511-524}},
Month = {{MAR}},
Abstract = {{The landing obligation policy was one of the major innovations
   introduced in the last Common Fisheries Policy reform in Europe. It is
   foreseen that the policy will affect the use of fishing opportunities
   and hence the economic performance of the fleets. The problem with
   fishing opportunities could be solved if single-stock total allowable
   catches (TACs) could be achieved simultaneously for all the stocks. In
   this study, we evaluate the economic impact of the landing obligation
   policy on the Spanish demersal fleet operating in the Iberian Sea
   region. To generate TAC advice, we used two sets of maximum sustainable
   yield (MSY) reference points, the single-stock MSY reference points
   defined by ICES and a set of multistock reference points calculated
   simultaneously using a bioeconomic optimization model. We found that the
   impact of the landing obligation is time and fleet dependent and highly
   influenced by assumptions about fleet dynamics. At fishery level,
   multistock reference points mitigate the decrease in the net present
   value generated by the implementation of the landing obligation. However
   at fleet level, the effect depends on the fleet itself and the period.
   To ensure the optimum use of fishing opportunities, the landing
   obligation should be accompanied by a management system that guarantees
   consistency between single-stock TACs. In this regard, multistock
   reference points represent an improvement over those currently in use.
   However, further investigation is necessary to enhance performance both
   at fleet level and in the long term.}},
Publisher = {{OXFORD UNIV PRESS}},
Address = {{GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Garcia, D (Reprint Author), Marine Res Div, Sukarrieta, Spain.
   Garcia, Dorleta; Prellezo, Raul, Marine Res Div, Sukarrieta, Spain.
   Sampedro, Paz, Inst Espanol Oceanografia, La Coruna, Spain.
   Da-Rocha, Jose Maria; Garcia-Cutrin, Javier, Univ Vigo, Vigo 36310, Spain.
   Da-Rocha, Jose Maria, ITAM, Inst Tecnol Mexico, Mexico City, DF, Mexico.
   Castro, Jose; Cervino, Santiago, Inst Espanol Oceanografia, Vigo, Spain.
   Gutierrez, Maria-Jose, Univ Basque Country UPV EHU, Bilbao, Spain.}},
DOI = {{10.1093/icesjms/fsw030}},
ISSN = {{1054-3139}},
EISSN = {{1095-9289}},
Keywords = {{bioeconomic; fleet dynamics; landing obligation; management strategy
   evaluation; reference points}},
Keywords-Plus = {{MIXED FISHERIES MANAGEMENT; FISH STOCK ASSESSMENT; DISCARD BAN;
   FRAMEWORK; ADVICE; SEA; STRATEGIES; BEHAVIOR; POLICY; MODEL}},
Research-Areas = {{Fisheries; Marine \& Freshwater Biology; Oceanography}},
Web-of-Science-Categories  = {{Fisheries; Marine \& Freshwater Biology; Oceanography}},
Author-Email = {{dgarcia@azti.es}},
ResearcherID-Numbers = {{Gutierrez, Maria-Jose/C-1141-2009}},
ORCID-Numbers = {{Gutierrez, Maria-Jose/0000-0003-3074-0854}},
Funding-Acknowledgement = {{Basque Government (Agriculture and Fisheries Department); European
   Commission as part of the Myfish project {[}289257]; Xunta de Galicia
   {[}GRC2015/014]; Xunta de Galicia (ECOBAS)}},
Funding-Text = {{We are especially grateful to Agurtzane Urtizberea and Inaki Quincoces
   from Azti for helping with the conditioning and grid system,
   respectively, Cristina Silva from IPMA for providing the Portuguese
   data, as well as Inaki Oyarzabal and Mikel Basterretxea, on-board
   observers from Azti, for sharing with us their knowledge and experience
   of working aboard trawlers. Finally, thanks to the two anonymous
   reviewers and the editor for their valued comments that greatly improved
   the final manuscript. This is publication number 753 by the Marine
   Research Division of Azti. This work was funded by the Basque Government
   (Agriculture and Fisheries Department) and the European Commission as
   part of the Myfish project (Grant agreement no. 289257). J.M.D.R.
   gratefully acknowledges the financial support of the Xunta de Galicia
   (ref. GRC2015/014 and ECOBAS).}},
Number-of-Cited-References = {{47}},
Times-Cited = {{1}},
Usage-Count-Last-180-days = {{4}},
Usage-Count-Since-2013 = {{4}},
Journal-ISO = {{ICES J. Mar. Sci.}},
Doc-Delivery-Number = {{EQ5GI}},
Unique-ID = {{ISI:000398110100006}},
OA = {{No}},
DA = {{2017-08-17}},
}

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