Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.54451/PanamJAS.18.1.18 http://hdl.handle.net/11449/248831 |
Resumo: | This study aimed to verify the spatial and temporal population parameters of Macrobrachium olfersii over of ~150 km of the Ribeira de Iguape River (SP). Prawns were collected monthly (January to December 2007) in Eldorado, Sete Barras, Registro, and Iguape, using traps and sieves. We analyzed 9,691 individuals with carapace length (CL) from 2.2 to 25.4mm. In our results, smaller individuals were found close to the estuary, i.e., Iguape, whereas larger individuals were recorded as they moved away from the estuary. Reproduction was continuous but more intense in the summer, when temperature and rainfall were higher. The total sex ratio differed from the expected favoring males (1:0.73), and this deviation was also observed in Eldorado, Registro, and Iguape. Female sexual maturity was at 10.9 mm CL, without significant variation along the river. The regions closer to the estuary (Iguape/ Registro) presented lower CL and longevity, and higher k, due to the greater number of juveniles. In conclusion, the results suggest that the variation in size, recruitment, sexual maturity, and growth of individuals are related to the population structure along ~150 km of the river, and are triggered by the upstream migration of juveniles after larval development, which takes place in the estuarine region |
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Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazillongevitysex ratiosexual maturityupstream migrationVale do RibeiraThis study aimed to verify the spatial and temporal population parameters of Macrobrachium olfersii over of ~150 km of the Ribeira de Iguape River (SP). Prawns were collected monthly (January to December 2007) in Eldorado, Sete Barras, Registro, and Iguape, using traps and sieves. We analyzed 9,691 individuals with carapace length (CL) from 2.2 to 25.4mm. In our results, smaller individuals were found close to the estuary, i.e., Iguape, whereas larger individuals were recorded as they moved away from the estuary. Reproduction was continuous but more intense in the summer, when temperature and rainfall were higher. The total sex ratio differed from the expected favoring males (1:0.73), and this deviation was also observed in Eldorado, Registro, and Iguape. Female sexual maturity was at 10.9 mm CL, without significant variation along the river. The regions closer to the estuary (Iguape/ Registro) presented lower CL and longevity, and higher k, due to the greater number of juveniles. In conclusion, the results suggest that the variation in size, recruitment, sexual maturity, and growth of individuals are related to the population structure along ~150 km of the river, and are triggered by the upstream migration of juveniles after larval development, which takes place in the estuarine regionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Laboratory of Biology and Culture of Crustaceans (LABCRUST) São Paulo State University Campus of Registro, Rua Nelson Brihi Badur 430,SPLaboratory of the marine invertebrates (LabinMAR) Department of Biology Center of Exact Natural and Health Sciences-Federal University of Espírito Santo, Alto Universitário s/n,ESLaboratory of Biology and Culture of Crustaceans (LABCRUST) São Paulo State University Campus of Registro, Rua Nelson Brihi Badur 430,SPFAPESP: 05/56131-0Universidade Estadual Paulista (UNESP)Center of Exact Natural and Health Sciences-Federal University of Espírito SantoRibeiro, Crislene C. [UNESP]Braga, Adriane A.Miranda, Esthephany K. S. [UNESP]Bertini, Giovana [UNESP]2023-07-29T13:54:55Z2023-07-29T13:54:55Z2023-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article18-34http://dx.doi.org/10.54451/PanamJAS.18.1.18Pan-American Journal of Aquatic Sciences, v. 18, n. 1, p. 18-34, 2023.1809-9009http://hdl.handle.net/11449/24883110.54451/PanamJAS.18.1.182-s2.0-85159206461Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPan-American Journal of Aquatic Sciencesinfo:eu-repo/semantics/openAccess2024-05-03T13:20:52Zoai:repositorio.unesp.br:11449/248831Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T23:08:33.367472Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil |
title |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil |
spellingShingle |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil Ribeiro, Crislene C. [UNESP] longevity sex ratio sexual maturity upstream migration Vale do Ribeira |
title_short |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil |
title_full |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil |
title_fullStr |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil |
title_full_unstemmed |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil |
title_sort |
Evaluation of population dynamics of Macrobrachium olfersii (Palaemonidae) along ~150 km extension of the Lower Ribeira de Iguape River, São Paulo, Brazil |
author |
Ribeiro, Crislene C. [UNESP] |
author_facet |
Ribeiro, Crislene C. [UNESP] Braga, Adriane A. Miranda, Esthephany K. S. [UNESP] Bertini, Giovana [UNESP] |
author_role |
author |
author2 |
Braga, Adriane A. Miranda, Esthephany K. S. [UNESP] Bertini, Giovana [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) Center of Exact Natural and Health Sciences-Federal University of Espírito Santo |
dc.contributor.author.fl_str_mv |
Ribeiro, Crislene C. [UNESP] Braga, Adriane A. Miranda, Esthephany K. S. [UNESP] Bertini, Giovana [UNESP] |
dc.subject.por.fl_str_mv |
longevity sex ratio sexual maturity upstream migration Vale do Ribeira |
topic |
longevity sex ratio sexual maturity upstream migration Vale do Ribeira |
description |
This study aimed to verify the spatial and temporal population parameters of Macrobrachium olfersii over of ~150 km of the Ribeira de Iguape River (SP). Prawns were collected monthly (January to December 2007) in Eldorado, Sete Barras, Registro, and Iguape, using traps and sieves. We analyzed 9,691 individuals with carapace length (CL) from 2.2 to 25.4mm. In our results, smaller individuals were found close to the estuary, i.e., Iguape, whereas larger individuals were recorded as they moved away from the estuary. Reproduction was continuous but more intense in the summer, when temperature and rainfall were higher. The total sex ratio differed from the expected favoring males (1:0.73), and this deviation was also observed in Eldorado, Registro, and Iguape. Female sexual maturity was at 10.9 mm CL, without significant variation along the river. The regions closer to the estuary (Iguape/ Registro) presented lower CL and longevity, and higher k, due to the greater number of juveniles. In conclusion, the results suggest that the variation in size, recruitment, sexual maturity, and growth of individuals are related to the population structure along ~150 km of the river, and are triggered by the upstream migration of juveniles after larval development, which takes place in the estuarine region |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-07-29T13:54:55Z 2023-07-29T13:54:55Z 2023-01-01 |
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/10.54451/PanamJAS.18.1.18 Pan-American Journal of Aquatic Sciences, v. 18, n. 1, p. 18-34, 2023. 1809-9009 http://hdl.handle.net/11449/248831 10.54451/PanamJAS.18.1.18 2-s2.0-85159206461 |
url |
http://dx.doi.org/10.54451/PanamJAS.18.1.18 http://hdl.handle.net/11449/248831 |
identifier_str_mv |
Pan-American Journal of Aquatic Sciences, v. 18, n. 1, p. 18-34, 2023. 1809-9009 10.54451/PanamJAS.18.1.18 2-s2.0-85159206461 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Pan-American Journal of Aquatic Sciences |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
18-34 |
dc.source.none.fl_str_mv |
Scopus 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 |
|
_version_ |
1808129494208217088 |