Population structure, recruitment, and mortality of the freshwater crab Dilocarcinus pagei stimpson, 1861 (Brachyura, trichodactylidae) in Southeastern Brazil

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dc.contributor.authorTaddei, Fabiano Gazzi
dc.contributor.authorDavanso, Thiago Maia [UNESP]
dc.contributor.authorCastiglioni, Lilian
dc.contributor.authorHerrera, Daphine Ramiro [UNESP]
dc.contributor.authorFransozo, Adilson [UNESP]
dc.contributor.authorDa Costa, Rogério Caetano [UNESP]
dc.contributor.institutionCentro de Estudos Superiores de Parintins
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCentro Universitário de Rio Preto (UNIRP)
dc.date.accessioned2018-12-11T16:58:23Z
dc.date.available2018-12-11T16:58:23Z
dc.date.issued2015-09-13
dc.description.abstractFreshwater crabs of the family Trichodactylidae are widely distributed in major river basins of the South American continent. The population structure of one species, Dilocarcinus pagei, was analyzed in an artificial reservoir in Southeastern Brazil, recording data on the sex ratio, recruitment, and mortality. A total of 1339 crabs were collected and included 804 males and 535 females (3 ovigerous and 4 with hatchlings); the sex ratio was 1:0.61 (males: females). Two modes of male and female carapace width (CW) were recorded, with means of 14.4 mm (n = 407) and 38.9 mm (n = 394) for males and 17.9 mm CW (n = 269) and 39.2 mm (n = 267) for females. The mean size of males (CW = 26.6 ± 13.8 mm) was significantly larger than that of females (CW = 28.5 ± 12.8 mm). The data indicated that recruitment occurs in summer (January-March), with the reproductive period in spring (October-December), periods with the highest rainfall and temperature values in the region. Reproduction leads to the death of the parents, influencing the sex ratio, which oscillates mainly during the reproductive period.en
dc.description.affiliationLaboratório de Estudos de Crustáceos Amazônicos (LECAM) Universidade do Estado do Amazonas-UEA/CESP Centro de Estudos Superiores de Parintins, Estrada Odovaldo Novo, KM 1
dc.description.affiliationFaculdade de Ciências Laboratório de Estudos de Camarões Marinhos e Dulcícolas (LABCAM) Departamento de Ciências Biológicas Universidade Estadual Paulista (UNESP), Av. Engenheiro Luis Edmundo Corrijo Coube, 14-01
dc.description.affiliationDepartamento de Biologia Centro Universitário de Rio Preto (UNIRP), Rua Yvette Gabriel Atique, 45
dc.description.affiliationNEBECC (Núcleo de Estudos em Biologia Ecologia e Cultivo de Crustáceos) Departamento de Zoologia-IBB UNESP-CEP
dc.description.affiliationUnespFaculdade de Ciências Laboratório de Estudos de Camarões Marinhos e Dulcícolas (LABCAM) Departamento de Ciências Biológicas Universidade Estadual Paulista (UNESP), Av. Engenheiro Luis Edmundo Corrijo Coube, 14-01
dc.description.affiliationUnespNEBECC (Núcleo de Estudos em Biologia Ecologia e Cultivo de Crustáceos) Departamento de Zoologia-IBB UNESP-CEP
dc.format.extent189-199
dc.identifierhttp://dx.doi.org/10.1080/07924259.2015.1081638
dc.identifier.citationInvertebrate Reproduction and Development, v. 59, n. 4, p. 189-199, 2015.
dc.identifier.doi10.1080/07924259.2015.1081638
dc.identifier.file2-s2.0-84941702713.pdf
dc.identifier.issn0792-4259
dc.identifier.lattes4475960200256592
dc.identifier.orcid0000-0002-2067-5406
dc.identifier.scopus2-s2.0-84941702713
dc.identifier.urihttp://hdl.handle.net/11449/172070
dc.language.isoeng
dc.relation.ispartofInvertebrate Reproduction and Development
dc.relation.ispartofsjr0,409
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCrustacea
dc.subjectEcology
dc.subjectJuvenile recruitment
dc.subjectReproduction
dc.titlePopulation structure, recruitment, and mortality of the freshwater crab Dilocarcinus pagei stimpson, 1861 (Brachyura, trichodactylidae) in Southeastern Brazilen
dc.typeArtigo
unesp.author.lattes4475960200256592[5]
unesp.author.orcid0000-0002-2067-5406[5]

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