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Alternative codends to improve the size selectivity for nylon shrimp (Heterocarpus reedi) and yellow squat lobster (Cervimunida johni) off the Chilean coast

dc.contributor.authorQueirolo, D.
dc.contributor.authorHurtado, C. F.
dc.contributor.authorAhumada, M.
dc.contributor.authorGaete, E.
dc.contributor.authorSoriguer, M. C.
dc.contributor.authorErzini, Karim
dc.date.accessioned2016-12-23T11:18:14Z
dc.date.available2016-12-23T11:18:14Z
dc.date.issued2012-08
dc.description.abstractThe size selectivity of alternative codends for nylon shrimp and yellow squat lobster was studied off the Chilean coast using the covered codend technique. Various mesh sizes (47 and 63 mm mesh opening) and shapes (diamond and square) in the codends were used. For both species, substituting the DM47 codend with the DM63 codend significantly increased 50% retention length (l50). The change of diamond (DM47) to square mesh (SM47) had a positive effect in size selectivity for nylon shrimp. For yellow squat lobster, no significant effect was observed when changing the diamond (DM63) to square mesh (SM63). Selectivity data were modeled by considering explanatory variables such as codend catch weight and vessel. Increases in the catch significantly reduced the l50 for both species whereas the vessel factor was not significant. Finally, using the length at first maturity as a reference value, the authors concluded that the DM47 codend failed to protect the immature portion of either stock, thus the DM63 codend is recommended.
dc.identifier.doi10.1111/j.1439-0426.2012.01949.x
dc.identifier.issn0175-8659
dc.identifier.otherAUT: KER00534;
dc.identifier.urihttp://hdl.handle.net/10400.1/8858
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relation.isbasedonWOS:000306142900008
dc.titleAlternative codends to improve the size selectivity for nylon shrimp (Heterocarpus reedi) and yellow squat lobster (Cervimunida johni) off the Chilean coast
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage544
oaire.citation.issue4
oaire.citation.startPage537
oaire.citation.titleJournal Of Applied Ichthyology
oaire.citation.volume28
person.familyNameErzini
person.givenNameKarim
person.identifier.ciencia-idD917-7133-341A
person.identifier.orcid0000-0002-1411-0126
person.identifier.ridM-5216-2013
person.identifier.scopus-author-id7004015948
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublicatione20f0e2d-3085-4c37-9e98-260dc9faddea
relation.isAuthorOfPublication.latestForDiscoverye20f0e2d-3085-4c37-9e98-260dc9faddea

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