Improving the performance of a Mediterranean demersal fishery toward economic objectives beyond MSY. Merino, G., Quetglas, A., Maynou, F., Garau, A., Arrizabalaga, H., Murua, H., Santiago, J., Barange, M., Prellezo, R., Garcia, D., Lleonart, J., Tserpes, G., Maravelias, C., Carvalho, N., Austen, M., Fernandes, J. A., Oliver, P., & Maria Grau, A. FISHERIES RESEARCH, 161:131-144, ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, JAN, 2015. doi abstract bibtex Mediterranean demersal fisheries are highly multispecific and many of their target stocks are overexploited. In addition, rocketing fuel costs and low market prices of traditionally high-value species are challenging the viability of fisheries. Here, based on the numeric results of a simulation model, we conclude that this situation can be remedied by reducing both fishing mortality and fishing costs. According to our model results, fishing effort reductions of 48-71% would improve the health of fish stocks while increasing the economic profits of Mallorca islands bottom trawl fishery to as much as 1.9 M(sic) (146% higher than current profits). If all fish stocks were exploited at their MSY (or below) level, the reduction in fishing effort would have to be of 71% from current values. If equilibrium profits from the fishery were to be maximized (MEY), fishing effort would need to be reduced by 48%. These results must be taken with caution due the many sources of uncertainty of our analysis. The modeling tools used to estimate these values are conditional to the adequate treatment of two sources of uncertainty that are particularly problematic in Mediterranean fisheries: insufficiently known recruitment variability and lack of periodic evaluations of the state of many species. Our results show that fishing effort reductions would produce economic yield gains after a period of transition. Further studies on the benefits of changing the size-selection pattern of fisheries, on better estimation of stock recruitment relationships and on better quantifications of the contribution of secondary species to these fisheries, are expected to improve the scientific recommendations for Mediterranean demersal fisheries toward sustainability principles. (C) 2014 Elsevier B.V. All rights reserved.
@article{ ISI:000345478600014,
Author = {Merino, Gorka and Quetglas, Antoni and Maynou, Francesc and Garau,
Antoni and Arrizabalaga, Haritz and Murua, Hilario and Santiago, Josu
and Barange, Manuel and Prellezo, Raul and Garcia, Dorleta and Lleonart,
Jordi and Tserpes, Georges and Maravelias, Christos and Carvalho,
Natacha and Austen, Melanie and Fernandes, Jose A. and Oliver, Pere and
Maria Grau, Antoni},
Title = {{Improving the performance of a Mediterranean demersal fishery toward
economic objectives beyond MSY}},
Journal = {{FISHERIES RESEARCH}},
Year = {{2015}},
Volume = {{161}},
Pages = {{131-144}},
Month = {{JAN}},
Abstract = {{Mediterranean demersal fisheries are highly multispecific and many of
their target stocks are overexploited. In addition, rocketing fuel costs
and low market prices of traditionally high-value species are
challenging the viability of fisheries. Here, based on the numeric
results of a simulation model, we conclude that this situation can be
remedied by reducing both fishing mortality and fishing costs. According
to our model results, fishing effort reductions of 48-71\% would improve
the health of fish stocks while increasing the economic profits of
Mallorca islands bottom trawl fishery to as much as 1.9 M(sic) (146\%
higher than current profits). If all fish stocks were exploited at their
MSY (or below) level, the reduction in fishing effort would have to be
of 71\% from current values. If equilibrium profits from the fishery
were to be maximized (MEY), fishing effort would need to be reduced by
48\%. These results must be taken with caution due the many sources of
uncertainty of our analysis. The modeling tools used to estimate these
values are conditional to the adequate treatment of two sources of
uncertainty that are particularly problematic in Mediterranean
fisheries: insufficiently known recruitment variability and lack of
periodic evaluations of the state of many species. Our results show that
fishing effort reductions would produce economic yield gains after a
period of transition. Further studies on the benefits of changing the
size-selection pattern of fisheries, on better estimation of stock
recruitment relationships and on better quantifications of the
contribution of secondary species to these fisheries, are expected to
improve the scientific recommendations for Mediterranean demersal
fisheries toward sustainability principles. (C) 2014 Elsevier B.V. All
rights reserved.}},
Publisher = {{ELSEVIER SCIENCE BV}},
Address = {{PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Merino, G (Reprint Author), AZTI Tecnalia, Pasaia 20110, Gipuzkoa, Spain.
Merino, Gorka; Arrizabalaga, Haritz; Murua, Hilario, AZTI Tecnalia, Pasaia 20110, Gipuzkoa, Spain.
Merino, Gorka; Barange, Manuel; Austen, Melanie; Fernandes, Jose A., Plymouth Marine Lab, Plymouth PL1 3DH, Devon, England.
Quetglas, Antoni; Oliver, Pere, Inst Espanol Oceanog, Ctr Oceanog Balears, Palma De Mallorca 07015, Spain.
Maynou, Francesc; Lleonart, Jordi, CSIC, Inst Ciencias Mar, E-08003 Barcelona, Spain.
Garau, Antoni, Federacio Balear Confraries Pescadors, Palma De Mallorca 07012, Illes Balears, Spain.
Santiago, Josu; Prellezo, Raul; Garcia, Dorleta, AZTI Tecnalia, Bizkaia 48395, Spain.
Tserpes, Georges, Hellen Ctr Marine Res, Inst Marine Biol Crete, Dept Fisheries, Iraklion 71003, Crete, Greece.
Maravelias, Christos, Hellen Ctr Marine Res, Inst Marine Biol Resources, Athens 19013, Greece.
Carvalho, Natacha, European Commiss, Joint Res Ctr, I-21027 Ispra, VA, Italy.
Maria Grau, Antoni, Direccio Gen Pesca Govern Illes Balears, Palma De Mallorca 07006, Illes Balears, Spain.}},
DOI = {{10.1016/j.fishres.2014.06.010}},
ISSN = {{0165-7836}},
EISSN = {{1872-6763}},
Keywords = {{EU fisheries; Mediterranean; Demersal; Socioeconomics; Sustainability}},
Keywords-Plus = {{BIOECONOMIC SIMULATION ANALYSIS; SQUARE MESH CODEND; BALEARIC-ISLANDS;
RED SHRIMP; MANAGEMENT IMPLICATIONS; TRAWL SELECTIVITY; STOCK
ASSESSMENTS; HAKE; MODEL; CATCH}},
Research-Areas = {{Fisheries}},
Web-of-Science-Categories = {{Fisheries}},
Author-Email = {{gmerino@azti.es}},
ResearcherID-Numbers = {{Prellezo, Raul/B-8231-2009
Maynou, Francesc/A-6433-2011
Barange, Manuel/D-2689-2016
Quetglas, Antoni/K-9089-2014
Fernandes, Jose A./B-8985-2009
}},
ORCID-Numbers = {{Prellezo, Raul/0000-0001-5998-8146
Maynou, Francesc/0000-0001-7200-6485
Barange, Manuel/0000-0002-1508-0483
Fernandes, Jose A./0000-0003-4677-6077
Arrizabalaga, Haritz/0000-0002-3861-6316}},
Number-of-Cited-References = {{62}},
Times-Cited = {{9}},
Usage-Count-Last-180-days = {{2}},
Usage-Count-Since-2013 = {{26}},
Journal-ISO = {{Fish Res.}},
Doc-Delivery-Number = {{AU2XT}},
Unique-ID = {{ISI:000345478600014}},
OA = {{No}},
DA = {{2017-08-17}},
}
Downloads: 0
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In addition, rocketing fuel costs and low market prices of traditionally high-value species are challenging the viability of fisheries. Here, based on the numeric results of a simulation model, we conclude that this situation can be remedied by reducing both fishing mortality and fishing costs. According to our model results, fishing effort reductions of 48-71% would improve the health of fish stocks while increasing the economic profits of Mallorca islands bottom trawl fishery to as much as 1.9 M(sic) (146% higher than current profits). If all fish stocks were exploited at their MSY (or below) level, the reduction in fishing effort would have to be of 71% from current values. If equilibrium profits from the fishery were to be maximized (MEY), fishing effort would need to be reduced by 48%. These results must be taken with caution due the many sources of uncertainty of our analysis. The modeling tools used to estimate these values are conditional to the adequate treatment of two sources of uncertainty that are particularly problematic in Mediterranean fisheries: insufficiently known recruitment variability and lack of periodic evaluations of the state of many species. Our results show that fishing effort reductions would produce economic yield gains after a period of transition. Further studies on the benefits of changing the size-selection pattern of fisheries, on better estimation of stock recruitment relationships and on better quantifications of the contribution of secondary species to these fisheries, are expected to improve the scientific recommendations for Mediterranean demersal fisheries toward sustainability principles. (C) 2014 Elsevier B.V. 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Maravelias, Christos, Hellen Ctr Marine Res, Inst Marine Biol Resources, Athens 19013, Greece. Carvalho, Natacha, European Commiss, Joint Res Ctr, I-21027 Ispra, VA, Italy. Maria Grau, Antoni, Direccio Gen Pesca Govern Illes Balears, Palma De Mallorca 07006, Illes Balears, Spain.","doi":"10.1016/j.fishres.2014.06.010","issn":"0165-7836","eissn":"1872-6763","keywords":"EU fisheries; Mediterranean; Demersal; Socioeconomics; Sustainability","keywords-plus":"BIOECONOMIC SIMULATION ANALYSIS; SQUARE MESH CODEND; BALEARIC-ISLANDS; RED SHRIMP; MANAGEMENT IMPLICATIONS; TRAWL SELECTIVITY; STOCK ASSESSMENTS; HAKE; MODEL; CATCH","research-areas":"Fisheries","web-of-science-categories":"Fisheries","author-email":"gmerino@azti.es","researcherid-numbers":"Prellezo, Raul/B-8231-2009 Maynou, Francesc/A-6433-2011 Barange, Manuel/D-2689-2016 Quetglas, Antoni/K-9089-2014 Fernandes, Jose A./B-8985-2009 ","orcid-numbers":"Prellezo, Raul/0000-0001-5998-8146 Maynou, Francesc/0000-0001-7200-6485 Barange, Manuel/0000-0002-1508-0483 Fernandes, Jose A./0000-0003-4677-6077 Arrizabalaga, Haritz/0000-0002-3861-6316","number-of-cited-references":"62","times-cited":"9","usage-count-last-180-days":"2","usage-count-since-2013":"26","journal-iso":"Fish Res.","doc-delivery-number":"AU2XT","unique-id":"ISI:000345478600014","oa":"No","da":"2017-08-17","bibtex":"@article{ ISI:000345478600014,\nAuthor = {Merino, Gorka and Quetglas, Antoni and Maynou, Francesc and Garau,\n Antoni and Arrizabalaga, Haritz and Murua, Hilario and Santiago, Josu\n and Barange, Manuel and Prellezo, Raul and Garcia, Dorleta and Lleonart,\n Jordi and Tserpes, Georges and Maravelias, Christos and Carvalho,\n Natacha and Austen, Melanie and Fernandes, Jose A. and Oliver, Pere and\n Maria Grau, Antoni},\nTitle = {{Improving the performance of a Mediterranean demersal fishery toward\n economic objectives beyond MSY}},\nJournal = {{FISHERIES RESEARCH}},\nYear = {{2015}},\nVolume = {{161}},\nPages = {{131-144}},\nMonth = {{JAN}},\nAbstract = {{Mediterranean demersal fisheries are highly multispecific and many of\n their target stocks are overexploited. In addition, rocketing fuel costs\n and low market prices of traditionally high-value species are\n challenging the viability of fisheries. Here, based on the numeric\n results of a simulation model, we conclude that this situation can be\n remedied by reducing both fishing mortality and fishing costs. According\n to our model results, fishing effort reductions of 48-71\\% would improve\n the health of fish stocks while increasing the economic profits of\n Mallorca islands bottom trawl fishery to as much as 1.9 M(sic) (146\\%\n higher than current profits). If all fish stocks were exploited at their\n MSY (or below) level, the reduction in fishing effort would have to be\n of 71\\% from current values. If equilibrium profits from the fishery\n were to be maximized (MEY), fishing effort would need to be reduced by\n 48\\%. These results must be taken with caution due the many sources of\n uncertainty of our analysis. The modeling tools used to estimate these\n values are conditional to the adequate treatment of two sources of\n uncertainty that are particularly problematic in Mediterranean\n fisheries: insufficiently known recruitment variability and lack of\n periodic evaluations of the state of many species. Our results show that\n fishing effort reductions would produce economic yield gains after a\n period of transition. Further studies on the benefits of changing the\n size-selection pattern of fisheries, on better estimation of stock\n recruitment relationships and on better quantifications of the\n contribution of secondary species to these fisheries, are expected to\n improve the scientific recommendations for Mediterranean demersal\n fisheries toward sustainability principles. (C) 2014 Elsevier B.V. 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