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Increasing biological knowledge for better management of by-catch species: Age, growth, and mortality of piper and red gurnards (Teleostei: Triglidae)

2023Journal article Open access
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dc.contributor.authorSequeira, Vera
dc.contributor.authorSousa, Inês
dc.contributor.authorNeves, Ana
dc.contributor.authorVieira, Ana Rita
dc.contributor.authorSilva, Elisabete
dc.contributor.authorSilva, Frederica
dc.contributor.authorDuarte, Ana Marta
dc.contributor.authorMendes, Susana
dc.contributor.authorGanhão, Rui
dc.contributor.authorAssis, Carlos
dc.contributor.authorRebelo, Rui
dc.contributor.authorMagalhães, Maria Filomena
dc.contributor.authorGil, Maria Manuel
dc.contributor.authorGordo, Leonel Serrano
dc.date.accessioned2023-09-08T09:23:56Z
dc.date.available2023-09-08T09:23:56Z
dc.date.issued2023
dc.descriptionThis study was partially supported by the European Maritime and Fisheries Fund MAR2020 (“VALOREJET: Valorização de espécies rejeitadas e de baixo valor commercial”, grant MAR-01.03.01-FEAMP-0003) and by the Fundação para a Ciência e Tecnologia (strategic project, UID/MAR/04292/2019; V.S., contract number CEECIND/02705/2017; A.R.V., contract number EECIND/01528/2017).pt_PT
dc.description.abstractGurnards are a valuable by-catch of mixed demersal fisheries and are commercially important in European waters, but they are often discarded, reported under “mixed gurnards” and with incomplete biological information by species. In the present work, a total of 558 piper gurnard specimens of between 10.9 and 44.4 cm (1 to 11 years) and 425 red gurnard specimens of between 10.2 and 42.1 cm (0 to 9 years) from the northeast Atlantic (Portuguese) coast were used to study age and growth. The von Bertalanffy growth parameters for piper gurnard were estimated through the combination of whole-otolith readings and back-calculation (L∞=44.7 cm, k=0.16 yr–1 and t0=–2.781 yr). For red gurnard the same growth parameters were estimated using whole-otolith readings (L∞=40.2 cm, k=0.28 yr–1 and t0=–1.074 yr). The results indicate that the red gurnard reaches a smaller length, although it grows faster than the piper gurnard. Natural, instantaneous and fishing mortalities were estimated as well as the exploitation rate for both species. For the Portuguese coast, the red gurnard showed a higher fishing mortality and exploitation rate than the piper gurnard, raising concerns about its sustainable management.pt_PT
dc.description.abstractLos rubios son una captura incidental valiosa de las pesquerías demersales mixtas y comercialmente importantes en las aguas europeas, pero a menudo se descartan, se informan como “rubios mixtos” y con información biológica incompleta por especie. En el presente trabajo se han recogido un total de 558 ejemplares de ganeo, de entre 10,9 y 44,4 cm (1 a 11 años), y 425 individuos de arete, de entre 10,2 y 42,1 cm (0 a 9 años) procedentes del Atlántico nororiental (costa portuguesa) se utilizaron para estudiar la edad y el crecimiento. Los parámetros de crecimiento de von Bertalanffy para ganeo se estimaron mediante la combinación de lecturas de otolitos enteros y retrocálculo (L∞=44,7 cm, k=0,16 año–1 y t0=-2,781 años). Para el arete se estimaron los mismos parámetros de crecimiento usando lecturas de otolito entero (L∞=40.2 cm, k=0.28 año–1 y t0=–1.074 año). Los resultados indican que el arete alcanza una talla menor, aunque crece más rápido que el ganeo. Se estimó la mortalidad natural, instantánea y por pesca, así como la tasa de explotación para ambas especies. Para la costa portuguesa, el arete presentó una mortalidad por pesca y una tasa de explotación más altas que el ganeo, lo que generó preocupaciones sobre su gestión sostenible.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSequeira V., Sousa I., Neves A., Vieira A.R., Silva E., Silva F., Duarte A.M., Mendes S., Ganhão R., Assis C.A., Rebelo R., Magalhães M.F., Gil M.M., Serrano L. 2023. Increasing biological knowledge for better management of by-catch species: age, growth, and mortality of piper and red gurnards (Teleostei: Triglidae). Sci. Mar. 87(1): e060. doi: https://doi.org/10.3989/scimar.05308.060pt_PT
dc.identifier.doi10.3989/scimar.05308.060pt_PT
dc.identifier.issn0214-8358
dc.identifier.urihttp://hdl.handle.net/10400.8/8777
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherConsejo Superior de Investigaciones Científicaspt_PT
dc.relationMARE - Marine and Environmental Sciences Centre
dc.relationNot Available
dc.relationNot Available
dc.relation.publisherversionhttps://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/1947pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBy-catchpt_PT
dc.subjectAge determinationpt_PT
dc.subjectGrowth curves;pt_PT
dc.subjectFishing mortalitypt_PT
dc.subjectLongevitypt_PT
dc.subjectChelidonichthys cuculuspt_PT
dc.subjectTrigla lyrapt_PT
dc.subjectCaptura incidentalpt_PT
dc.subjectDeterminación de la edadpt_PT
dc.subjectCurvas de crecimientopt_PT
dc.subjectMortalidad por pescapt_PT
dc.subjectLongevidadpt_PT
dc.titleIncreasing biological knowledge for better management of by-catch species: Age, growth, and mortality of piper and red gurnards (Teleostei: Triglidae)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMARE - Marine and Environmental Sciences Centre
oaire.awardTitleNot Available
oaire.awardTitleNot Available
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FMAR%2F04292%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 2017/CEECIND%2F02705%2F2017%2FCP1387%2FCT0042/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 2017/CEECIND%2F01528%2F2017%2FCP1387%2FCT0040/PT
oaire.citation.issue1pt_PT
oaire.citation.titleScientia Marinapt_PT
oaire.citation.volume87pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND 2017
oaire.fundingStreamCEEC IND 2017
person.familyNameSequeira
person.familyNamede Sousa Magusteiro
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person.familyNameSilva
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person.familyNameManeta Ganhão
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person.givenNameRui Manuel
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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