Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://www.unemat.br/revistas/rcaa/?link=volume11-1 http://hdl.handle.net/11449/141064 |
Resumo: | The aim of the present study was to evaluate the biological attributes of Steindachnerina insculpta in two reservoirs of middle Paranapanema River. Fish were collected with gillnets every two months at four sites of the Salto Grande Reservoir and quarterly at five sites of the Chavantes Reservoir. After confirmation of the species, were obtained biometric data, standard length, total weight and sex. This information was used to assess the biological attributes (abundance, sex ratio, length-weight relationship, condition factor and size class distribution) for each area. In both reservoirs, the sex ratio of the total samples differed from 1:1 and growth was positive allometric. The condition factor and length varied between sites. The most representative size class at all sites was 9.1 to 10.5 cm. This study demonstrates that the biological attributes of populations of S. insculpta are modified along the areas of the two reservoirs, reflecting the ability to adjust the species. |
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Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, BrazilAtributos biológicos de Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) em duas represas do médio rio Paranapanema, BrasilSpatial distributionSalto Grande reservoirChavantes reservoirDistribuição espacialRepresa de Salto GrandeRepresa de ChavantesThe aim of the present study was to evaluate the biological attributes of Steindachnerina insculpta in two reservoirs of middle Paranapanema River. Fish were collected with gillnets every two months at four sites of the Salto Grande Reservoir and quarterly at five sites of the Chavantes Reservoir. After confirmation of the species, were obtained biometric data, standard length, total weight and sex. This information was used to assess the biological attributes (abundance, sex ratio, length-weight relationship, condition factor and size class distribution) for each area. In both reservoirs, the sex ratio of the total samples differed from 1:1 and growth was positive allometric. The condition factor and length varied between sites. The most representative size class at all sites was 9.1 to 10.5 cm. This study demonstrates that the biological attributes of populations of S. insculpta are modified along the areas of the two reservoirs, reflecting the ability to adjust the species.O objetivo deste estudo foi avaliar os atributos biológicos de Steindachnerina insculpta em duas represas do médio rio Paranapanema. Os peixes foram coletados com redes de espera bimestralmente em quatro áreas da represa de Salto Grande e trimestralmente em cinco áreas de Chavantes. Após a confirmação da espécie, foram obtidos os dados biométricos, comprimento padrão, peso total e o sexo. Estas informações foram utilizadas para avaliar os atributos biológicos (abundância, razão sexual, relação peso-comprimento, fator de condição e a distribuição em classes de tamanho) para cada área. Para ambas as represas a proporção sexual diferiu de 1:1 e o tipo de crescimento foi alométrico positivo. O fator de condição e as classes de tamanho variaram entre as áreas amostradas. Para as duas represas a classe de tamanho mais representativo foi entre 9,1 e 10,5 cm. Este trabalho demonstra que os atributos biológicos das populações de S. insculpta variam ao longo das áreas das duas represas, refletindo a capacidade de ajuste da espécie.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Universidade Estadual Paulista, Departamento de Parasitologia, Instituto de Biociências de BotucatuUniversidade Estadual Paulista (Unesp)Universidade Tecnológica Federal do Paraná (UTFPR)Brandão, Heleno [UNESP]Magnoni, Ana Paula Vidotto [UNESP]Ramos, Igor PaivaCarvalho, Edmir Daniel [UNESP]2016-07-07T12:36:41Z2016-07-07T12:36:41Z2013info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article67-75application/pdfhttp://www.unemat.br/revistas/rcaa/?link=volume11-1Revista de Ciências Agro-Ambientais, v. 11, n. 1, p. 67-75, 2013.1677-6062http://hdl.handle.net/11449/141064ISSN1677-6062-2013-11-01-67-75.pdfCurrículo Lattesreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengRevista de Ciências Agro-Ambientaisinfo:eu-repo/semantics/openAccess2024-01-29T06:31:17Zoai:repositorio.unesp.br:11449/141064Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-01-29T06:31:17Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil Atributos biológicos de Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) em duas represas do médio rio Paranapanema, Brasil |
title |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil |
spellingShingle |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil Brandão, Heleno [UNESP] Spatial distribution Salto Grande reservoir Chavantes reservoir Distribuição espacial Represa de Salto Grande Represa de Chavantes |
title_short |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil |
title_full |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil |
title_fullStr |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil |
title_full_unstemmed |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil |
title_sort |
Biological attributes of Steindachnerina insculpta (Fernandez-Yepez, 1948) (Curimatidae) in two reservoirs of middle Paranapanema River, Brazil |
author |
Brandão, Heleno [UNESP] |
author_facet |
Brandão, Heleno [UNESP] Magnoni, Ana Paula Vidotto [UNESP] Ramos, Igor Paiva Carvalho, Edmir Daniel [UNESP] |
author_role |
author |
author2 |
Magnoni, Ana Paula Vidotto [UNESP] Ramos, Igor Paiva Carvalho, Edmir Daniel [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Tecnológica Federal do Paraná (UTFPR) |
dc.contributor.author.fl_str_mv |
Brandão, Heleno [UNESP] Magnoni, Ana Paula Vidotto [UNESP] Ramos, Igor Paiva Carvalho, Edmir Daniel [UNESP] |
dc.subject.por.fl_str_mv |
Spatial distribution Salto Grande reservoir Chavantes reservoir Distribuição espacial Represa de Salto Grande Represa de Chavantes |
topic |
Spatial distribution Salto Grande reservoir Chavantes reservoir Distribuição espacial Represa de Salto Grande Represa de Chavantes |
description |
The aim of the present study was to evaluate the biological attributes of Steindachnerina insculpta in two reservoirs of middle Paranapanema River. Fish were collected with gillnets every two months at four sites of the Salto Grande Reservoir and quarterly at five sites of the Chavantes Reservoir. After confirmation of the species, were obtained biometric data, standard length, total weight and sex. This information was used to assess the biological attributes (abundance, sex ratio, length-weight relationship, condition factor and size class distribution) for each area. In both reservoirs, the sex ratio of the total samples differed from 1:1 and growth was positive allometric. The condition factor and length varied between sites. The most representative size class at all sites was 9.1 to 10.5 cm. This study demonstrates that the biological attributes of populations of S. insculpta are modified along the areas of the two reservoirs, reflecting the ability to adjust the species. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013 2016-07-07T12:36:41Z 2016-07-07T12:36:41Z |
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.unemat.br/revistas/rcaa/?link=volume11-1 Revista de Ciências Agro-Ambientais, v. 11, n. 1, p. 67-75, 2013. 1677-6062 http://hdl.handle.net/11449/141064 ISSN1677-6062-2013-11-01-67-75.pdf |
url |
http://www.unemat.br/revistas/rcaa/?link=volume11-1 http://hdl.handle.net/11449/141064 |
identifier_str_mv |
Revista de Ciências Agro-Ambientais, v. 11, n. 1, p. 67-75, 2013. 1677-6062 ISSN1677-6062-2013-11-01-67-75.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Revista de Ciências Agro-Ambientais |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
67-75 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 |
|
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1797790431947259904 |