Gonadosomatic index and weight/length relationship in females of three penaeoidean shrimps impacted by fisheries on the southeastern Brazilian coast

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dc.contributor.authorSantos, Renan Augusto Pereira Dos [UNESP]
dc.contributor.authorSilva, Alexandre Ribeiro Da
dc.contributor.authorMoraes, Isabela Ribeiro Rocha De [UNESP]
dc.contributor.authorAntunes, Mariana [UNESP]
dc.contributor.authorLopes, Ana Elisa Bielert [UNESP]
dc.contributor.authorCosta, Rogério Caetano Da [UNESP]
dc.contributor.authorCastilho, Antonio Leão [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual do Norte do Paraná
dc.date.accessioned2021-07-14T10:45:58Z
dc.date.available2021-07-14T10:45:58Z
dc.date.issued2020-12-04
dc.description.abstractThe aim of this study was to evaluate the gonadosomatic index (GSI) and the weight/length ratio in important shrimp populations (Xiphopenaeus kroyeri (Heller, 1862), Litopenaeus schmitti (Burkenroad, 1936), Rimapenaeus constrictus (Stimpson, 1874)) from the northern littoral of São Paulo State. The samples were collected between 2015 and 2016, with 212 females that were identified, classified according to their gonadal development stage, and measured (CL). The gonads were macroscopically classified into immature, spent and developed, and were then removed. Both body (BodW) and gonad (GonW) dry weights were obtained in order to calculate the gonadosomatic index. Weight/length relationship and weight gain rate were assessed. The weight gain presented negative allometry, indicating that the animals grow faster than they gain weight. The weight/length relationship showed a pattern of continuous reproduction, as previously determined for tropical species. From the GSI values, it was possible to separate the three predetermined gonadal stages, proving that macroscopic evaluation is reliable for evaluating the reproductive period of these shrimps. These results can be used as a guide for fishery stocks management and monitoring.en
dc.description.affiliationUniversidade Estadual Paulista “Júlio de Mesquita Filho”, Instituto de Biociências de Botucatu
dc.description.affiliationUniversidade Estadual do Norte do Paraná
dc.description.affiliationUniversidade Estadual Paulista “Júlio de Mesquita Filho”, Faculdade de Ciências
dc.description.affiliationUnespUniversidade Estadual Paulista “Júlio de Mesquita Filho”, Instituto de Biociências de Botucatu
dc.description.affiliationUnespUniversidade Estadual Paulista “Júlio de Mesquita Filho”, Faculdade de Ciências
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipIdFAPESP: #2010/50188-8; #2015/13639-5; #2015/01959-5
dc.description.sponsorshipIdCNPq: #311034/2018-7
dc.description.sponsorshipIdCAPES: #23038.004310/2014-85
dc.format.extent-
dc.identifierhttp://dx.doi.org/10.1590/2358-2936e2020045
dc.identifier.citationNauplius. Sociedade Brasileira de Carcinologia, v. 28, p. -, 2020.
dc.identifier.doi10.1590/2358-2936e2020045
dc.identifier.fileS0104-64972020000100804.pdf
dc.identifier.issn2358-2936
dc.identifier.scieloS0104-64972020000100804
dc.identifier.urihttp://hdl.handle.net/11449/212838
dc.language.isoeng
dc.publisherSociedade Brasileira de Carcinologia
dc.relation.ispartofNauplius
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectAllometryen
dc.subjectgonadsen
dc.subjectreproductionen
dc.subjectSão Paulo Stateen
dc.subjectUbatubaen
dc.titleGonadosomatic index and weight/length relationship in females of three penaeoidean shrimps impacted by fisheries on the southeastern Brazilian coasten
dc.typeArtigo
unesp.author.orcid0000-0002-1820-4234[1]
unesp.author.orcid0000-0001-8921-8767[2]
unesp.author.orcid0000-0003-2889-9356[3]
unesp.author.orcid0000-0002-7036-215X[4]
unesp.author.orcid0000-0002-1342-7340[6]
unesp.author.orcid0000-0003-0001-9054[7]
unesp.departmentCiências Biológicas - FCpt

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