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dc.contributor.author
Melnychuk, Michael C.
dc.contributor.author
Essington, Timothy E.
dc.contributor.author
Trevor, Branch A.
dc.contributor.author
Heppell, Selina S.
dc.contributor.author
Jensen, Olaf P.
dc.contributor.author
Link, Jason S.
dc.contributor.author
Martell, Steven J. D.
dc.contributor.author
Parma, Ana Maria
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dc.contributor.author
Smith, Anthony D. M.
dc.date.available
2017-07-07T14:13:50Z
dc.date.issued
2016-03
dc.identifier.citation
Melnychuk, Michael C.; Essington, Timothy E.; Trevor, Branch A.; Heppell, Selina S.; Jensen, Olaf P.; et al.; Which design elements of individual quota fisheries help to achieve management objectives?; Wiley Blackwell Publishing, Inc; Fish And Fisheries; 17; 1; 3-2016; 126-142
dc.identifier.issn
1467-2960
dc.identifier.uri
http://hdl.handle.net/11336/19847
dc.description.abstract
Individual quota (IQ) management systems in commercial marine fisheries are highly diverse, differing in the security, durability and exclusivity of the harvesting privilege and the transferability of quota units. This diversity in the degree of harvest rights may influence the effectiveness of IQ fisheries to meet management objectives. We conducted a global meta-analysis of 167 stocks managed under IQs to test whether the strength of harvest rights impacts the conservation status of stocks in terms of catch, exploitation rate and biomass relative to management targets. We used non-parametric methods to assess non-linear relationships and linear regression models to explicitly consider interactions among predictors. Most IQ fisheries consistently met fleet-wide quota limits (94% of stocks had recent catches below or within 10% of quotas), but only 2/3 of IQ fisheries adhered to sustainable management targets for biomass and exploitation rate (68% of stocks had exploitation rates below or within 10% of targets and 63% of stocks had biomass above or within 10% of biomass targets). Strikingly, when exclusivity of the harvesting privilege was low, exploitation rates depended on whether IQ implementation was industry-driven (exploitation below targets) or government-mandated (exploitation above targets). At high levels of exclusivity, exploitation rates converged to just below management targets. Transferability of quota units was associated with stock biomass closer to and slightly above target levels than stocks with non-transferable quota. However, regional differences had the strongest effect on biomass, suggesting that other management or biological attributes of regional fishery systems have greater influence on marine populations.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Fisheries Management
dc.subject
Itq
dc.subject
Marine Conservation
dc.subject
Maximum Sustainable Yield
dc.subject.classification
Pesca
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dc.subject.classification
Agricultura, Silvicultura y Pesca
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Which design elements of individual quota fisheries help to achieve management objectives?
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-11-23T19:40:21Z
dc.journal.volume
17
dc.journal.number
1
dc.journal.pagination
126-142
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Melnychuk, Michael C.. University of Washington; Estados Unidos
dc.description.fil
Fil: Essington, Timothy E.. University of Washington; Estados Unidos
dc.description.fil
Fil: Trevor, Branch A.. University of Washington; Estados Unidos
dc.description.fil
Fil: Heppell, Selina S.. Oregon State Universit; Estados Unidos
dc.description.fil
Fil: Jensen, Olaf P.. University of Washington; Estados Unidos
dc.description.fil
Fil: Link, Jason S.. Northeast Fisheries Science Center; Estados Unidos
dc.description.fil
Fil: Martell, Steven J. D.. International Pacific Halibut Commission; Estados Unidos
dc.description.fil
Fil: Parma, Ana Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina
dc.description.fil
Fil: Smith, Anthony D. M.. Oceans and Atmosphere Flagship; Australia
dc.journal.title
Fish And Fisheries
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/faf.12094/abstract
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/ 10.1111/faf.12094
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