Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil

Detalhes bibliográficos
Autor(a) principal: Andrade, Luciana Segura De
Data de Publicação: 2017
Outros Autores: Costa, Rogério Caetano Da, Castilho, Antônio Leão, Frameschi, Israel Fernandes, Sancinetti, Gustavo Sérgio, Fransozo, Adilson
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/2358-2936e2017004
http://hdl.handle.net/11449/158121
Resumo: Abstract This study investigated the temporal abundance, periods of reproduction and recruitment, gonad sexual maturity, and population structure of the swimming crab Achelous spinimanus (Latreille, 1819) in Macaé, a region of the Brazilian coast affected by upwelling events. The samples were collected monthly during one year. The crabs were counted, sexed and measured for maximum carapace width (MCW). Four developmental stages were described in males and females. Environmental variables as temperature, salinity, organic matter and Phi were measured. A Principal Components Analysis indicated that environmental variables were strongly correlated with seasons, affecting the abundance of this species, which was high during summer and autumn. The periods of reproduction and recruitment were also seasonal, with a peak of females with developed gonads and ovigerous females during autumn and immatures during summer and autumn. Males and females did not differ in size at gonad sexual maturity, estimated at 39.9 and 42.9 mm MCW, respectively. The environmental conditions in this upwelling region may have induced this population of A. spinimanus to show different characteristics and behaviors from other populations on the Brazilian coast, since alterations linked to the periods of reproduction and recruitment, as well as the population structure and distribution, may reveal different survival strategies of the species.
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spelling Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern BrazilGeographic variationmanagementPortunidaePortunusAbstract This study investigated the temporal abundance, periods of reproduction and recruitment, gonad sexual maturity, and population structure of the swimming crab Achelous spinimanus (Latreille, 1819) in Macaé, a region of the Brazilian coast affected by upwelling events. The samples were collected monthly during one year. The crabs were counted, sexed and measured for maximum carapace width (MCW). Four developmental stages were described in males and females. Environmental variables as temperature, salinity, organic matter and Phi were measured. A Principal Components Analysis indicated that environmental variables were strongly correlated with seasons, affecting the abundance of this species, which was high during summer and autumn. The periods of reproduction and recruitment were also seasonal, with a peak of females with developed gonads and ovigerous females during autumn and immatures during summer and autumn. Males and females did not differ in size at gonad sexual maturity, estimated at 39.9 and 42.9 mm MCW, respectively. The environmental conditions in this upwelling region may have induced this population of A. spinimanus to show different characteristics and behaviors from other populations on the Brazilian coast, since alterations linked to the periods of reproduction and recruitment, as well as the population structure and distribution, may reveal different survival strategies of the species.Universidade Federal do Triângulo MineiroUNESP Faculdade de Ciências Departamento de Ciências BiológicasUNESP Instituto de Biociências Departamento de ZoologiaUNESP Faculdade de Ciências Departamento de Ciências BiológicasUNESP Instituto de Biociências Departamento de ZoologiaSociedade Brasileira de CarcinologiaUniversidade Federal do Triângulo MineiroUniversidade Estadual Paulista (Unesp)Andrade, Luciana Segura DeCosta, Rogério Caetano DaCastilho, Antônio LeãoFrameschi, Israel FernandesSancinetti, Gustavo SérgioFransozo, Adilson2018-11-12T17:28:25Z2018-11-12T17:28:25Z2017info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article-application/pdfhttp://dx.doi.org/10.1590/2358-2936e2017004Nauplius. Sociedade Brasileira de Carcinologia, v. 25, p. -, 2017.0104-6497http://hdl.handle.net/11449/15812110.1590/2358-2936e2017004S0104-64972017000100202S0104-64972017000100202.pdf44759602002565920000-0002-2067-5406SciELOreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengNaupliusinfo:eu-repo/semantics/openAccess2024-04-23T15:23:50Zoai:repositorio.unesp.br:11449/158121Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:24:36.507874Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
title Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
spellingShingle Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
Andrade, Luciana Segura De
Geographic variation
management
Portunidae
Portunus
title_short Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
title_full Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
title_fullStr Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
title_full_unstemmed Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
title_sort Reproductive and population traits of the swimming crab Achelous spinimanus (Crustacea: Decapoda) in an upwelling region in southeastern Brazil
author Andrade, Luciana Segura De
author_facet Andrade, Luciana Segura De
Costa, Rogério Caetano Da
Castilho, Antônio Leão
Frameschi, Israel Fernandes
Sancinetti, Gustavo Sérgio
Fransozo, Adilson
author_role author
author2 Costa, Rogério Caetano Da
Castilho, Antônio Leão
Frameschi, Israel Fernandes
Sancinetti, Gustavo Sérgio
Fransozo, Adilson
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade Federal do Triângulo Mineiro
Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Andrade, Luciana Segura De
Costa, Rogério Caetano Da
Castilho, Antônio Leão
Frameschi, Israel Fernandes
Sancinetti, Gustavo Sérgio
Fransozo, Adilson
dc.subject.por.fl_str_mv Geographic variation
management
Portunidae
Portunus
topic Geographic variation
management
Portunidae
Portunus
description Abstract This study investigated the temporal abundance, periods of reproduction and recruitment, gonad sexual maturity, and population structure of the swimming crab Achelous spinimanus (Latreille, 1819) in Macaé, a region of the Brazilian coast affected by upwelling events. The samples were collected monthly during one year. The crabs were counted, sexed and measured for maximum carapace width (MCW). Four developmental stages were described in males and females. Environmental variables as temperature, salinity, organic matter and Phi were measured. A Principal Components Analysis indicated that environmental variables were strongly correlated with seasons, affecting the abundance of this species, which was high during summer and autumn. The periods of reproduction and recruitment were also seasonal, with a peak of females with developed gonads and ovigerous females during autumn and immatures during summer and autumn. Males and females did not differ in size at gonad sexual maturity, estimated at 39.9 and 42.9 mm MCW, respectively. The environmental conditions in this upwelling region may have induced this population of A. spinimanus to show different characteristics and behaviors from other populations on the Brazilian coast, since alterations linked to the periods of reproduction and recruitment, as well as the population structure and distribution, may reveal different survival strategies of the species.
publishDate 2017
dc.date.none.fl_str_mv 2017
2018-11-12T17:28:25Z
2018-11-12T17:28:25Z
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://dx.doi.org/10.1590/2358-2936e2017004
Nauplius. Sociedade Brasileira de Carcinologia, v. 25, p. -, 2017.
0104-6497
http://hdl.handle.net/11449/158121
10.1590/2358-2936e2017004
S0104-64972017000100202
S0104-64972017000100202.pdf
4475960200256592
0000-0002-2067-5406
url http://dx.doi.org/10.1590/2358-2936e2017004
http://hdl.handle.net/11449/158121
identifier_str_mv Nauplius. Sociedade Brasileira de Carcinologia, v. 25, p. -, 2017.
0104-6497
10.1590/2358-2936e2017004
S0104-64972017000100202
S0104-64972017000100202.pdf
4475960200256592
0000-0002-2067-5406
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Nauplius
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv -
application/pdf
dc.publisher.none.fl_str_mv Sociedade Brasileira de Carcinologia
publisher.none.fl_str_mv Sociedade Brasileira de Carcinologia
dc.source.none.fl_str_mv SciELO
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)
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