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Age and growth, mortality and reproduction of the striped sea bream, Lithognathus mormyrus Linnaeus 1758, from the south coast of Portugal (Algarve)

2010Journal article Restricted access
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dc.contributor.authorMonteiro, P.
dc.contributor.authorBentes, L.
dc.contributor.authorCoelho, Rui
dc.contributor.authorCorreia, C.
dc.contributor.authorErzini, Karim
dc.contributor.authorLino, Pedro
dc.contributor.authorRibeiro, J.
dc.contributor.authorGonçalves, J. M. S.
dc.date.accessioned2016-12-14T16:22:20Z
dc.date.available2016-12-14T16:22:20Z
dc.date.issued2010
dc.description.abstractThe striped sea bream, Lithognathus mormyrus, used for this population dynamics study were obtained from longline catches and market sampling in the Algarve (south Portugal). The macroscopic analysis of the gonads and the gonad somatic index showed that the south Portuguese population of L. mormyrus spawns mainly between late spring and summer (June to August). The length at first maturity was similar for males and females and the value for both sexes combined was estimated to be 16.08 cm, corresponding to an age between 1 and 2 years. Fish age classes (0 to 13) were determined by reading growth rings on whole otoliths. Age determination was validated by marginal increment analysis. The estimated parameters of the von Bertalanffy growth equation were L infinity = 35.30 cm, K = 0.264 and t(0) = -0.809. Mortality rates were calculated for fish captured with longlines, and the estimated parameters were M = 0.356, Z = 0.622 and F = 0.266. From an Algarve fishery management perspective, these results suggest the need for an increase in the minimum landing size (from 15 to 17 cm), which should be beneficial for the sustainability and conservation of this species. The results also showed that fishing with longlines off the Algarve coast may allow for a sustainable use of the resource.
dc.identifier.doi10.1080/17451000903039731
dc.identifier.issn1745-1000
dc.identifier.otherAUT: KER00534; JGO02808;
dc.identifier.urihttp://hdl.handle.net/10400.1/8761
dc.language.isoeng
dc.peerreviewedyes
dc.publisherTaylor & Francis
dc.relation.isbasedonWOS:000274344900004
dc.titleAge and growth, mortality and reproduction of the striped sea bream, Lithognathus mormyrus Linnaeus 1758, from the south coast of Portugal (Algarve)
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage65
oaire.citation.issue1
oaire.citation.startPage53
oaire.citation.titleMarine Biology Research
oaire.citation.volume6
person.familyNameMonteiro
person.familyNameBentes
person.familyNameCoelho
person.familyNameErzini
person.familyNameLino
person.familyNameGonçalves
person.givenNamePedro
person.givenNameLuis
person.givenNameRui
person.givenNameKarim
person.givenNamePedro
person.givenNameJorge Manuel Santos
person.identifier134638
person.identifier849968
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person.identifier.orcid0000-0001-7704-8190
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person.identifier.scopus-author-id6603195176
person.identifier.scopus-author-id56257111100
person.identifier.scopus-author-id7004015948
person.identifier.scopus-author-id6701691255
person.identifier.scopus-author-id7103326116
rcaap.rightsrestrictedAccess
rcaap.typearticle
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