Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Journal of Oceanography |
Texto Completo: | https://www.revistas.usp.br/bjoce/article/view/153127 |
Resumo: | São Marcos Bay is an estuarine complex with semidiurnal tides that can reach more than 7 m during equinoctial spring tides. It is situated in the second largest Brazilian coastline and is subjected to continuous human activities holding an important port complex of Latin America. In order to contribute to the knowledge about the structure of the phytoplankton in a macrotidal systems, this study aims to evaluate the phytoplankton community and its relationship with environmental conditions in the São Marcos Bay. Five surveys in 2010 and 2011 were carried out on four sampling points during the rainy and dry seasons. Samples were taken during the flood and ebb phases at neap tides. Hydrological parameters were correlated with biological data (phytoplankton composition, abundance and biomass) using statistical analysis. The phytoplankton biomass (chlorophyll a) characterized the bay as quite productive (10.43±7.62 mg m-3) with the nanophytoplankton as the dominant fraction. Seasonal variation was observed in phytoplankton abundance with higher values (34,262±18,422 cells L-1) in the rainy season. Diatoms were the most important phytoplankton group, pointing out Nitzschia sp., Diploneis weissflogii and Synedra sp. as the dominant species. This study revealed that the composition of phytoplankton community was mainly influenced by the local dynamics, governed by macrotides, and precipitation regime that mostly contributed to the seasonal fluctuations of the environmental conditions, such as salinity, dissolved oxygen, and nutrients. |
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oai:revistas.usp.br:article/153127 |
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Brazilian Journal of Oceanography |
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Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - BrazilMacrotidal estuariesPhytoplankton abundanceChlorophyll aNutrientsSão Marcos Bay is an estuarine complex with semidiurnal tides that can reach more than 7 m during equinoctial spring tides. It is situated in the second largest Brazilian coastline and is subjected to continuous human activities holding an important port complex of Latin America. In order to contribute to the knowledge about the structure of the phytoplankton in a macrotidal systems, this study aims to evaluate the phytoplankton community and its relationship with environmental conditions in the São Marcos Bay. Five surveys in 2010 and 2011 were carried out on four sampling points during the rainy and dry seasons. Samples were taken during the flood and ebb phases at neap tides. Hydrological parameters were correlated with biological data (phytoplankton composition, abundance and biomass) using statistical analysis. The phytoplankton biomass (chlorophyll a) characterized the bay as quite productive (10.43±7.62 mg m-3) with the nanophytoplankton as the dominant fraction. Seasonal variation was observed in phytoplankton abundance with higher values (34,262±18,422 cells L-1) in the rainy season. Diatoms were the most important phytoplankton group, pointing out Nitzschia sp., Diploneis weissflogii and Synedra sp. as the dominant species. This study revealed that the composition of phytoplankton community was mainly influenced by the local dynamics, governed by macrotides, and precipitation regime that mostly contributed to the seasonal fluctuations of the environmental conditions, such as salinity, dissolved oxygen, and nutrients.Universidade de São Paulo. Instituto Oceanográfico2018-12-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/bjoce/article/view/15312710.1590/s1679-87592018021906603Brazilian Journal of Oceanography; Vol. 66 Núm. 3 (2018); 283-300Brazilian Journal of Oceanography; v. 66 n. 3 (2018); 283-300Brazilian Journal of Oceanography; Vol. 66 No. 3 (2018); 283-3001982-436X1679-8759reponame:Brazilian Journal of Oceanographyinstname:Universidade de São Paulo (USP)instacron:USPenghttps://www.revistas.usp.br/bjoce/article/view/153127/149650Copyright (c) 2018 Brazilian Journal of Oceanographyinfo:eu-repo/semantics/openAccessCavalcanti, Lisana FurtadoAzevedo-Cutrim, Andrea Christina GomesOliveira, Amanda Lorena LimaFurtado, Jordana AdornoAraújo, Bethânia de OliveiraSá, Ana Karoline Duarte-dos-SantosFerreira, Francinara SantosSantos, Nágela Gardênia RodriguesDias, Francisco José SilvaCutrim, Marco Valério Jansen2018-12-27T14:33:25Zoai:revistas.usp.br:article/153127Revistahttps://www.revistas.usp.br/bjoce/indexPUBhttps://www.revistas.usp.br/bjoce/oaiio@usp.br||io@usp.br1982-436X1679-8759opendoar:2018-12-27T14:33:25Brazilian Journal of Oceanography - Universidade de São Paulo (USP)false |
dc.title.none.fl_str_mv |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil |
title |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil |
spellingShingle |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil Cavalcanti, Lisana Furtado Macrotidal estuaries Phytoplankton abundance Chlorophyll a Nutrients |
title_short |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil |
title_full |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil |
title_fullStr |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil |
title_full_unstemmed |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil |
title_sort |
Structure of microphytoplankton community and environmental variables in a macrotidal estuarine complex, São Marcos Bay, Maranhão - Brazil |
author |
Cavalcanti, Lisana Furtado |
author_facet |
Cavalcanti, Lisana Furtado Azevedo-Cutrim, Andrea Christina Gomes Oliveira, Amanda Lorena Lima Furtado, Jordana Adorno Araújo, Bethânia de Oliveira Sá, Ana Karoline Duarte-dos-Santos Ferreira, Francinara Santos Santos, Nágela Gardênia Rodrigues Dias, Francisco José Silva Cutrim, Marco Valério Jansen |
author_role |
author |
author2 |
Azevedo-Cutrim, Andrea Christina Gomes Oliveira, Amanda Lorena Lima Furtado, Jordana Adorno Araújo, Bethânia de Oliveira Sá, Ana Karoline Duarte-dos-Santos Ferreira, Francinara Santos Santos, Nágela Gardênia Rodrigues Dias, Francisco José Silva Cutrim, Marco Valério Jansen |
author2_role |
author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Cavalcanti, Lisana Furtado Azevedo-Cutrim, Andrea Christina Gomes Oliveira, Amanda Lorena Lima Furtado, Jordana Adorno Araújo, Bethânia de Oliveira Sá, Ana Karoline Duarte-dos-Santos Ferreira, Francinara Santos Santos, Nágela Gardênia Rodrigues Dias, Francisco José Silva Cutrim, Marco Valério Jansen |
dc.subject.por.fl_str_mv |
Macrotidal estuaries Phytoplankton abundance Chlorophyll a Nutrients |
topic |
Macrotidal estuaries Phytoplankton abundance Chlorophyll a Nutrients |
description |
São Marcos Bay is an estuarine complex with semidiurnal tides that can reach more than 7 m during equinoctial spring tides. It is situated in the second largest Brazilian coastline and is subjected to continuous human activities holding an important port complex of Latin America. In order to contribute to the knowledge about the structure of the phytoplankton in a macrotidal systems, this study aims to evaluate the phytoplankton community and its relationship with environmental conditions in the São Marcos Bay. Five surveys in 2010 and 2011 were carried out on four sampling points during the rainy and dry seasons. Samples were taken during the flood and ebb phases at neap tides. Hydrological parameters were correlated with biological data (phytoplankton composition, abundance and biomass) using statistical analysis. The phytoplankton biomass (chlorophyll a) characterized the bay as quite productive (10.43±7.62 mg m-3) with the nanophytoplankton as the dominant fraction. Seasonal variation was observed in phytoplankton abundance with higher values (34,262±18,422 cells L-1) in the rainy season. Diatoms were the most important phytoplankton group, pointing out Nitzschia sp., Diploneis weissflogii and Synedra sp. as the dominant species. This study revealed that the composition of phytoplankton community was mainly influenced by the local dynamics, governed by macrotides, and precipitation regime that mostly contributed to the seasonal fluctuations of the environmental conditions, such as salinity, dissolved oxygen, and nutrients. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-12-21 |
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://www.revistas.usp.br/bjoce/article/view/153127 10.1590/s1679-87592018021906603 |
url |
https://www.revistas.usp.br/bjoce/article/view/153127 |
identifier_str_mv |
10.1590/s1679-87592018021906603 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/bjoce/article/view/153127/149650 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2018 Brazilian Journal of Oceanography info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2018 Brazilian Journal of Oceanography |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto Oceanográfico |
publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto Oceanográfico |
dc.source.none.fl_str_mv |
Brazilian Journal of Oceanography; Vol. 66 Núm. 3 (2018); 283-300 Brazilian Journal of Oceanography; v. 66 n. 3 (2018); 283-300 Brazilian Journal of Oceanography; Vol. 66 No. 3 (2018); 283-300 1982-436X 1679-8759 reponame:Brazilian Journal of Oceanography instname:Universidade de São Paulo (USP) instacron:USP |
instname_str |
Universidade de São Paulo (USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Brazilian Journal of Oceanography |
collection |
Brazilian Journal of Oceanography |
repository.name.fl_str_mv |
Brazilian Journal of Oceanography - Universidade de São Paulo (USP) |
repository.mail.fl_str_mv |
io@usp.br||io@usp.br |
_version_ |
1800223771841265664 |