Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State

Detalhes bibliográficos
Autor(a) principal: Bomfim, Clarissa da Silva
Data de Publicação: 2010
Outros Autores: Vilela, Claudia Gutterres, Guedes, Daniel Coré
Tipo de documento: Artigo
Idioma: por
Título da fonte: Anuário do Instituto de Geociências (Online)
Texto Completo: https://revistas.ufrj.br/index.php/aigeo/article/view/6799
Resumo: A study of benthic foraminifera was carried out on sediments from the bottom of Maricá lagoon located in the Região dos Lagos, state of Rio de Janeiro. This region is suffering with disordered human occupation and there has been an increase in the occupation rates and several projects for tourist resorts in the area. The response of the foraminifera to such activities was important for the ecological characterization. The laboratory treatment of the samples followed the specific methodology for foraminifera. The dominant species were Miliammina fusca and Miliammina spp., followed by Haplophragmoides spp., Trochammina inflata, Trochammina spp, Ammobaculites dilatatus and Arenoparrella mexicana. Those species have agglutinated tests that characterize paralic environments with low energy and salinity variations, in coastal regions. A comparative study with the Guanabara Bay showed distinct assemblages and distinct environments. In spite of the anthropogenic pollution influence in the lagoon, that pollution has not reached critical levels, and this response could suggest an efficient environment control by public policies to preserve the ecosystem.
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spelling Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro StateForaminíferos bentônicos em sedimentos de fundo da lagoa de Maricá, Estado do Rio de JaneiroA study of benthic foraminifera was carried out on sediments from the bottom of Maricá lagoon located in the Região dos Lagos, state of Rio de Janeiro. This region is suffering with disordered human occupation and there has been an increase in the occupation rates and several projects for tourist resorts in the area. The response of the foraminifera to such activities was important for the ecological characterization. The laboratory treatment of the samples followed the specific methodology for foraminifera. The dominant species were Miliammina fusca and Miliammina spp., followed by Haplophragmoides spp., Trochammina inflata, Trochammina spp, Ammobaculites dilatatus and Arenoparrella mexicana. Those species have agglutinated tests that characterize paralic environments with low energy and salinity variations, in coastal regions. A comparative study with the Guanabara Bay showed distinct assemblages and distinct environments. In spite of the anthropogenic pollution influence in the lagoon, that pollution has not reached critical levels, and this response could suggest an efficient environment control by public policies to preserve the ecosystem.Foram realizados estudos dos foraminíferos nos sedimentos de fundo da Lagoa de Maricá, localizada na região dos lagos do estado do Rio de Janeiro. A região estudada está sendo urbanizada de forma descontrolada. Atualmente as taxas de ocupação estão aumentando, e existem projetos de implantação de complexos turísticos para a área. A resposta dos foraminíferos a essas atividades foi importante na caracterização ecológica. O tratamento laboratorial das amostras seguiu a metodologia específica para foraminíferos. As espécies dominantes encontradas foram Miliammina fusca e Miliammina spp., seguidas por Haplophragmoides spp., Trochammina inflata, Trochammina spp., Ammobaculites dilatatus e Arenoparrella mexicana. Estas espécies possuem carapaça aglutinante que, em ambiente costeiro, caracterizam um ambiente parálico de baixa energia e com baixa salinidade. Uma comparação com a Baía de Guanabara mostrou diferenças nas assembléias que representam os distintos ambientes. Apesar de o ambiente estar sujeito a poluição antrópica, foi possível observar que esta ainda não atingiu níveis críticos, sugerindo-se o controle ambiental eficiente através da atuação de políticas públicas, a fim de preservar o ecossistema.Universidade Federal do Rio de Janeiro2010-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revistas.ufrj.br/index.php/aigeo/article/view/679910.11137/2010_1_9-19Anuário do Instituto de Geociências; Vol 33, No 1 (2010); 9-19Anuário do Instituto de Geociências; Vol 33, No 1 (2010); 9-191982-39080101-9759reponame:Anuário do Instituto de Geociências (Online)instname:Universidade Federal do Rio de Janeiro (UFRJ)instacron:UFRJporhttps://revistas.ufrj.br/index.php/aigeo/article/view/6799/5396Copyright (c) 2010 Anuário do Instituto de Geociênciashttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessBomfim, Clarissa da SilvaVilela, Claudia GutterresGuedes, Daniel Coré2017-01-23T21:50:48Zoai:www.revistas.ufrj.br:article/6799Revistahttps://revistas.ufrj.br/index.php/aigeo/indexPUBhttps://revistas.ufrj.br/index.php/aigeo/oaianuario@igeo.ufrj.br||1982-39080101-9759opendoar:2017-01-23T21:50:48Anuário do Instituto de Geociências (Online) - Universidade Federal do Rio de Janeiro (UFRJ)false
dc.title.none.fl_str_mv Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
Foraminíferos bentônicos em sedimentos de fundo da lagoa de Maricá, Estado do Rio de Janeiro
title Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
spellingShingle Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
Bomfim, Clarissa da Silva
title_short Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
title_full Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
title_fullStr Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
title_full_unstemmed Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
title_sort Benthic foraminifera in surface sediments in the Maricá lagoon, Rio de Janeiro State
author Bomfim, Clarissa da Silva
author_facet Bomfim, Clarissa da Silva
Vilela, Claudia Gutterres
Guedes, Daniel Coré
author_role author
author2 Vilela, Claudia Gutterres
Guedes, Daniel Coré
author2_role author
author
dc.contributor.author.fl_str_mv Bomfim, Clarissa da Silva
Vilela, Claudia Gutterres
Guedes, Daniel Coré
description A study of benthic foraminifera was carried out on sediments from the bottom of Maricá lagoon located in the Região dos Lagos, state of Rio de Janeiro. This region is suffering with disordered human occupation and there has been an increase in the occupation rates and several projects for tourist resorts in the area. The response of the foraminifera to such activities was important for the ecological characterization. The laboratory treatment of the samples followed the specific methodology for foraminifera. The dominant species were Miliammina fusca and Miliammina spp., followed by Haplophragmoides spp., Trochammina inflata, Trochammina spp, Ammobaculites dilatatus and Arenoparrella mexicana. Those species have agglutinated tests that characterize paralic environments with low energy and salinity variations, in coastal regions. A comparative study with the Guanabara Bay showed distinct assemblages and distinct environments. In spite of the anthropogenic pollution influence in the lagoon, that pollution has not reached critical levels, and this response could suggest an efficient environment control by public policies to preserve the ecosystem.
publishDate 2010
dc.date.none.fl_str_mv 2010-06-01
dc.type.none.fl_str_mv
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://revistas.ufrj.br/index.php/aigeo/article/view/6799
10.11137/2010_1_9-19
url https://revistas.ufrj.br/index.php/aigeo/article/view/6799
identifier_str_mv 10.11137/2010_1_9-19
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://revistas.ufrj.br/index.php/aigeo/article/view/6799/5396
dc.rights.driver.fl_str_mv Copyright (c) 2010 Anuário do Instituto de Geociências
http://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2010 Anuário do Instituto de Geociências
http://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal do Rio de Janeiro
publisher.none.fl_str_mv Universidade Federal do Rio de Janeiro
dc.source.none.fl_str_mv Anuário do Instituto de Geociências; Vol 33, No 1 (2010); 9-19
Anuário do Instituto de Geociências; Vol 33, No 1 (2010); 9-19
1982-3908
0101-9759
reponame:Anuário do Instituto de Geociências (Online)
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institution UFRJ
reponame_str Anuário do Instituto de Geociências (Online)
collection Anuário do Instituto de Geociências (Online)
repository.name.fl_str_mv Anuário do Instituto de Geociências (Online) - Universidade Federal do Rio de Janeiro (UFRJ)
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