Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil

The objective of the present study was to analyze diel variation in the abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, state of São Paulo, during the year 2000. In each season of the year, collections were made in the day and at night on 9 transects at depths ran...

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Detalhes bibliográficos
Autores: Simões, Sabrina Morilhas [UNESP], Fransozo, Adilson [UNESP], Castilho, Antonio L., Costa, Rogério Caetano da [UNESP]
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2010
País:Brasil
Recursos:Universidade Estadual Paulista (UNESP)
Repositorio:Repositório Institucional da UNESP
Idioma:inglés
OAI Identifier:oai:repositorio.unesp.br:11449/134408
Acesso em linha:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200013
http://hdl.handle.net/11449/134408
Access Level:acceso abierto
Palavra-chave:Abundance
Distribution
Penaeidae
Xiphopenaeus kroyeri
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spelling Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern BrazilAbundanceDistributionPenaeidaeXiphopenaeus kroyeriThe objective of the present study was to analyze diel variation in the abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, state of São Paulo, during the year 2000. In each season of the year, collections were made in the day and at night on 9 transects at depths ranging from 2 to 40 m. The estimated shrimp amount was of 28,878 individuals. Although the catch rate was higher during the day (15,853 shrimp), this did not differ significantly from the catch at night (13,025). The catch rate was higher in daytime on most transects, but was higher at night at locations where fine and very fine sand predominated. The majority of juveniles were caught during the day. The mean size (CL) was 14.43 ± 4.02 mm for day and 14.82 ± 4.28 mm for night samples, and the difference was significant (Student’s t-test, df = 2, 429, t = 2.27, p = 0.02). The largest individuals were caught during the night. None of the three models that have been proposed in the literature to account for differences in the diurnal catch pattern of penaeid species can be applied to X. kroyeri. Our results provide evidence that sediment type not only influenced the catch rate in the analyzed periods, but also determined which models might fit the behavior of this species.Universidade Estadual Paulista Júlio de Mesquita Filho, Departamento de Ciências Biológicas, Faculdade de Ciências de Bauru, Bauru, Av. Engenheiro Luis Edmundo Carrijo Coube, n 14-01, Vargem Limpa, CEP 17033360, SP, BrasilUniversidade Estadual Paulista Júlio de Mesquita Filho, Departamento de Ciências Biológicas, Faculdade de Ciências de Bauru, Bauru, Av. Engenheiro Luis Edmundo Carrijo Coube, n 14-01, Vargem Limpa, CEP 17033360, SP, BrasilUniversidade Estadual Paulista (Unesp)Faculdade Estadual de Filosofia, Ciências e Letras de União da Vitória2016-03-02T12:56:32Z2016-03-02T12:56:32Z2010info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article369-378application/pdfhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200013Anais da Academia Brasileira de Ciências, v. 82, n. 2, p. 369-378, 2010.0001-3765http://hdl.handle.net/11449/134408ISSN0001-3765-2010-82-02-369-378.pdf85269725447593575479169842782466447596020025659252750272840305990000-0002-2067-5406Currículo Lattesreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAnais da Academia Brasileira de Ciências0.9560,418info:eu-repo/semantics/openAccessSimões, Sabrina Morilhas [UNESP]Fransozo, Adilson [UNESP]Castilho, Antonio L.Costa, Rogério Caetano da [UNESP]2025-06-24T06:57:45Zoai:repositorio.unesp.br:11449/134408Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestrepositoriounesp@unesp.bropendoar:29462025-06-24T06:57:45Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
title Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
spellingShingle Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
Simões, Sabrina Morilhas [UNESP]
Abundance
Distribution
Penaeidae
Xiphopenaeus kroyeri
title_short Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
title_full Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
title_fullStr Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
title_full_unstemmed Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
title_sort Diel variation in abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, Southeastern Brazil
dc.creator.none.fl_str_mv Simões, Sabrina Morilhas [UNESP]
Fransozo, Adilson [UNESP]
Castilho, Antonio L.
Costa, Rogério Caetano da [UNESP]
author Simões, Sabrina Morilhas [UNESP]
author_facet Simões, Sabrina Morilhas [UNESP]
Fransozo, Adilson [UNESP]
Castilho, Antonio L.
Costa, Rogério Caetano da [UNESP]
author_role author
author2 Fransozo, Adilson [UNESP]
Castilho, Antonio L.
Costa, Rogério Caetano da [UNESP]
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
Faculdade Estadual de Filosofia, Ciências e Letras de União da Vitória
dc.subject.por.fl_str_mv Abundance
Distribution
Penaeidae
Xiphopenaeus kroyeri
topic Abundance
Distribution
Penaeidae
Xiphopenaeus kroyeri
description The objective of the present study was to analyze diel variation in the abundance and size of the seabob shrimp Xiphopenaeus kroyeri in the Ubatuba region, state of São Paulo, during the year 2000. In each season of the year, collections were made in the day and at night on 9 transects at depths ranging from 2 to 40 m. The estimated shrimp amount was of 28,878 individuals. Although the catch rate was higher during the day (15,853 shrimp), this did not differ significantly from the catch at night (13,025). The catch rate was higher in daytime on most transects, but was higher at night at locations where fine and very fine sand predominated. The majority of juveniles were caught during the day. The mean size (CL) was 14.43 ± 4.02 mm for day and 14.82 ± 4.28 mm for night samples, and the difference was significant (Student’s t-test, df = 2, 429, t = 2.27, p = 0.02). The largest individuals were caught during the night. None of the three models that have been proposed in the literature to account for differences in the diurnal catch pattern of penaeid species can be applied to X. kroyeri. Our results provide evidence that sediment type not only influenced the catch rate in the analyzed periods, but also determined which models might fit the behavior of this species.
publishDate 2010
dc.date.none.fl_str_mv 2010
2016-03-02T12:56:32Z
2016-03-02T12:56:32Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200013
Anais da Academia Brasileira de Ciências, v. 82, n. 2, p. 369-378, 2010.
0001-3765
http://hdl.handle.net/11449/134408
ISSN0001-3765-2010-82-02-369-378.pdf
8526972544759357
5479169842782466
4475960200256592
5275027284030599
0000-0002-2067-5406
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200013
http://hdl.handle.net/11449/134408
identifier_str_mv Anais da Academia Brasileira de Ciências, v. 82, n. 2, p. 369-378, 2010.
0001-3765
ISSN0001-3765-2010-82-02-369-378.pdf
8526972544759357
5479169842782466
4475960200256592
5275027284030599
0000-0002-2067-5406
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Anais da Academia Brasileira de Ciências
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0,418
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 369-378
application/pdf
dc.source.none.fl_str_mv Currículo Lattes
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv repositoriounesp@unesp.br
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score 15.301629

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