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Age and growth, maturity, mortality and yield-per-recruit for two banded bream (Diplodus vulgaris Geoffr.) from the south coast of Portugal

2003Journal article Restricted access
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dc.contributor.authorGonçalves, J. M. S.
dc.contributor.authorBentes, L.
dc.contributor.authorCoelho, Rui
dc.contributor.authorCorreia, C.
dc.contributor.authorLino, P. G.
dc.contributor.authorMonteiro, P.
dc.contributor.authorRibeiro, J.
dc.contributor.authorErzini, Karim
dc.date.accessioned2016-12-14T16:22:20Z
dc.date.available2016-12-14T16:22:20Z
dc.date.issued2003
dc.description.abstractThe population dynamics parameters of Diplodus vulgaris (Sparidae) from the south and south-west coast of Portugal were studied. 1086 fishes with total lengths ranging from 3.3 to 37.9 cm were obtained from previous gear selectivity studies supplemented by market sampling and beach seining for juveniles (1992–2000). The spawning season extended from September to April and total lengths at 50% maturity were 17.27 cm for males and 17.65 cm for females. These estimated sizes were greater than the minimum legal landing size (MLS = 15 cm) and smaller than length at first capture (Lc50 = 21.68 cm) for the longline fishery. The parameters of the von Bertalanffy growth equation were: L∞ = 27.73 cm, K = 0.40 per year, t0 = −0.34 year. The instantaneous rates of total mortality (Z) and natural mortality (M) were 0.63 and 0.45 per year, respectively. Rates of fishing mortality F and exploitation E were 0.18 and 0.28 per year, respectively. Estimated parameters and the relative yield-per-recruit analysis showed that this species is not over exploited by longlines.
dc.identifier.doi10.1016/S0165-7836(03)00148-6
dc.identifier.issn0165-7836
dc.identifier.otherAUT: KER00543; RMS01092; JGO02808;
dc.identifier.urihttp://hdl.handle.net/10400.1/8760
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relation.isbasedonWOS:000184221400015
dc.titleAge and growth, maturity, mortality and yield-per-recruit for two banded bream (Diplodus vulgaris Geoffr.) from the south coast of Portugal
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage359
oaire.citation.issue2
oaire.citation.startPage349
oaire.citation.titleFisheries Research
oaire.citation.volume62
person.familyNameGonçalves
person.familyNameBentes
person.familyNameCoelho
person.familyNameLino
person.familyNameMonteiro
person.familyNameErzini
person.givenNameJorge Manuel Santos
person.givenNameLuis
person.givenNameRui
person.givenNamePedro
person.givenNamePedro
person.givenNameKarim
person.identifier356846
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person.identifier.scopus-author-id7103326116
person.identifier.scopus-author-id6603195176
person.identifier.scopus-author-id56257111100
person.identifier.scopus-author-id6701691255
person.identifier.scopus-author-id7004015948
rcaap.rightsrestrictedAccess
rcaap.typearticle
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