Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta Scientiarum. Animal Sciences (Online) |
Texto Completo: | https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/2457 |
Resumo: | The red snapper, Lutjanus purpureus Poey (Perciformes, Lutjanidae), is captured along the North and Northeast coast of Brazil. It consists of one of the main fishing resources of these areas, being considered economically important as source of exchange value. This work has verified the occurrence of intro-specific diversification of the red snapper in the North and Northeast of Brazil. A total of 556 individuals were investigated among Amapá (319), Pará (176) and Maranhão (61). Sex ratio has shown that 43.71% were male and 56.29% female. The higher proportion of females is statistically significant according to χ2 test. The results of ANOVA showed significant differences of morphometrical variables in all areas studied. In order to show which averages presented significant difference, the Tukey’s test was used, and revealed that from the 48 comparative analyses, 100% were shown significant. Each area (AP, PA and MA) presented significant difference for each one of the morphometrical variables. To calculate the overlap degree, the method was used by comparison of averages for morphometrical characters. Out of 112 analyses, 46.43% presented diversification process at the intro-specific level, possibly suggesting the existence of natural barriers and/or geographical isolation. This information may be considered very important for the correct formulation of environmental policies. |
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Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of BrazilDiversificação intra-específica do pargo, Lutjanus purpureus Poey, no Norte e Nordeste do Brasildiversificação intra-específicapargoisolamento geográficopolítica ambiental5.04.00.00-2 ZootecniaThe red snapper, Lutjanus purpureus Poey (Perciformes, Lutjanidae), is captured along the North and Northeast coast of Brazil. It consists of one of the main fishing resources of these areas, being considered economically important as source of exchange value. This work has verified the occurrence of intro-specific diversification of the red snapper in the North and Northeast of Brazil. A total of 556 individuals were investigated among Amapá (319), Pará (176) and Maranhão (61). Sex ratio has shown that 43.71% were male and 56.29% female. The higher proportion of females is statistically significant according to χ2 test. The results of ANOVA showed significant differences of morphometrical variables in all areas studied. In order to show which averages presented significant difference, the Tukey’s test was used, and revealed that from the 48 comparative analyses, 100% were shown significant. Each area (AP, PA and MA) presented significant difference for each one of the morphometrical variables. To calculate the overlap degree, the method was used by comparison of averages for morphometrical characters. Out of 112 analyses, 46.43% presented diversification process at the intro-specific level, possibly suggesting the existence of natural barriers and/or geographical isolation. This information may be considered very important for the correct formulation of environmental policies.O pargo, Lutjanus purpureus Poey (Perciformes, Lutjanidae), é capturado em toda a costa Norte e Nordeste do Brasil, constituindo um dos principais recursos pesqueiros da região, sendo reconhecido como fonte de divisa importante para a economia. Este trabalho verifica a ocorrência de diversificação intra-específica do pargo no Norte e Nordeste do Brasil. Foi amostrado um total de 556 indivíduos entre os Estados do AP (319), PA (176) e MA (61). Na análise das proporções entre sexos, verificou-se que dos indivíduos amostrados, 43,71% eram machos e 56,29% fêmeas. Essa vantagem de fêmeas é estatisticamente significativa de acordo com o teste do χ2. Os resultados da ANOVA mostraram diferenças significativas das variáveis morfométricas em todas as subáreas. Para mostrar quais médias apresentavam contrastes significativos foi usado o teste de Tukey, que revelou que das 48 análises comparativas, 100% mostraram-se significativas. Cada subárea (AP, PA e MA) apresentou diferença significativa para cada uma das variáveis morfométricas testadas. Para estimar o grau de sobreposição, utilizou-se o método por comparação de médias para caracteres morfométricos. Do total de 112 análises, 46,43% apresentaram processo de diversificação intra-específica, sugerindo possíveis barreiras naturais e/ou isolamento geográfico. Informações dessa natureza são imprescindíveis para a correta formulação de uma política ambiental para o setor.Editora da Universidade Estadual de Maringá2008-04-29info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/245710.4025/actascianimsci.v24i0.2457Acta Scientiarum. Animal Sciences; Vol 24 (2002); 973-980Acta Scientiarum. Animal Sciences; v. 24 (2002); 973-9801807-86721806-2636reponame:Acta Scientiarum. Animal Sciences (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttps://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/2457/1733Sousa Júnior, Josemar Pereira deViana, Maria Selma RibeiroSaker-Sampaio, Silvanainfo:eu-repo/semantics/openAccess2024-05-17T13:03:42Zoai:periodicos.uem.br/ojs:article/2457Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAnimSci/oaiactaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com1807-86721806-2636opendoar:2024-05-17T13:03:42Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil Diversificação intra-específica do pargo, Lutjanus purpureus Poey, no Norte e Nordeste do Brasil |
title |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil |
spellingShingle |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil Sousa Júnior, Josemar Pereira de diversificação intra-específica pargo isolamento geográfico política ambiental 5.04.00.00-2 Zootecnia |
title_short |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil |
title_full |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil |
title_fullStr |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil |
title_full_unstemmed |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil |
title_sort |
Intraspecific diversification of the red snapper Lutjanus purpureus Poey in North and Northeast of Brazil |
author |
Sousa Júnior, Josemar Pereira de |
author_facet |
Sousa Júnior, Josemar Pereira de Viana, Maria Selma Ribeiro Saker-Sampaio, Silvana |
author_role |
author |
author2 |
Viana, Maria Selma Ribeiro Saker-Sampaio, Silvana |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Sousa Júnior, Josemar Pereira de Viana, Maria Selma Ribeiro Saker-Sampaio, Silvana |
dc.subject.por.fl_str_mv |
diversificação intra-específica pargo isolamento geográfico política ambiental 5.04.00.00-2 Zootecnia |
topic |
diversificação intra-específica pargo isolamento geográfico política ambiental 5.04.00.00-2 Zootecnia |
description |
The red snapper, Lutjanus purpureus Poey (Perciformes, Lutjanidae), is captured along the North and Northeast coast of Brazil. It consists of one of the main fishing resources of these areas, being considered economically important as source of exchange value. This work has verified the occurrence of intro-specific diversification of the red snapper in the North and Northeast of Brazil. A total of 556 individuals were investigated among Amapá (319), Pará (176) and Maranhão (61). Sex ratio has shown that 43.71% were male and 56.29% female. The higher proportion of females is statistically significant according to χ2 test. The results of ANOVA showed significant differences of morphometrical variables in all areas studied. In order to show which averages presented significant difference, the Tukey’s test was used, and revealed that from the 48 comparative analyses, 100% were shown significant. Each area (AP, PA and MA) presented significant difference for each one of the morphometrical variables. To calculate the overlap degree, the method was used by comparison of averages for morphometrical characters. Out of 112 analyses, 46.43% presented diversification process at the intro-specific level, possibly suggesting the existence of natural barriers and/or geographical isolation. This information may be considered very important for the correct formulation of environmental policies. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-04-29 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/2457 10.4025/actascianimsci.v24i0.2457 |
url |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/2457 |
identifier_str_mv |
10.4025/actascianimsci.v24i0.2457 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/2457/1733 |
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 |
Editora da Universidade Estadual de Maringá |
publisher.none.fl_str_mv |
Editora da Universidade Estadual de Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Animal Sciences; Vol 24 (2002); 973-980 Acta Scientiarum. Animal Sciences; v. 24 (2002); 973-980 1807-8672 1806-2636 reponame:Acta Scientiarum. Animal Sciences (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta Scientiarum. Animal Sciences (Online) |
collection |
Acta Scientiarum. Animal Sciences (Online) |
repository.name.fl_str_mv |
Acta Scientiarum. Animal Sciences (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
actaanim@uem.br||actaanim@uem.br|| rev.acta@gmail.com |
_version_ |
1799315358089216000 |