Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268

Detalhes bibliográficos
Autor(a) principal: Monkolski, Alexandre
Data de Publicação: 2008
Outros Autores: Takeda, Alice Michiyo, Melo, Sandra Maria de
Tipo de documento: Artigo
Idioma: por
Título da fonte: Acta Scientiarum Biological Sciences
Texto Completo: http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1268
Resumo: The density and distribution of mites in different sections of the stolon of Eichhornia azurea were studied monthly for 13 months in two upper Paraná River floodplain lakes. The fluviometric variation and consequent changes in the concentrations of dissolved oxygen in the shallow water phase were shown by PCA. DCA showed the mites distribution in the plant sections, forming 5 groups: group A formed by Centrolimnesia, group B formed by Unionicola, Koenikea, Neumania, Piona and nymphs, group C by Arrenurus and group E formed by Hydrodroma and Hydrozetes. The mites of groups A, C, and E presented high density in the apical and intermediary sections; therefore, the specimens were less tolerant of the low concentrations of oxygen. Groups B and D were represented by specimens adapted to the bottom and tolerant of hypoxic conditions, where high density in the basal segment was registered. The rise in the water level favored the occurrence of mites in agglomerations on Eichhornia azurea in function of the depletion of oxygen in deep areas of the lakes and through the increase of hosts and prey. Temporal variation in mite density was related to the density of available prey, while vertical variation in the segment was diet specific and some specimens were tolerant to hypoxic conditions
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spelling Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268Estrutura da fauna de ácaros aquáticos associados a Eichhornia azurea em duas lagoas na planície de inundação do alto rio Paraná, Estado do Mato Grosso do Sul, Brasil - DOI: 10.4025/actascibiolsci.v27i4.1268ácaros aquáticosmacrófitasplanície de inundação2.05.00.00-9 EcologiaThe density and distribution of mites in different sections of the stolon of Eichhornia azurea were studied monthly for 13 months in two upper Paraná River floodplain lakes. The fluviometric variation and consequent changes in the concentrations of dissolved oxygen in the shallow water phase were shown by PCA. DCA showed the mites distribution in the plant sections, forming 5 groups: group A formed by Centrolimnesia, group B formed by Unionicola, Koenikea, Neumania, Piona and nymphs, group C by Arrenurus and group E formed by Hydrodroma and Hydrozetes. The mites of groups A, C, and E presented high density in the apical and intermediary sections; therefore, the specimens were less tolerant of the low concentrations of oxygen. Groups B and D were represented by specimens adapted to the bottom and tolerant of hypoxic conditions, where high density in the basal segment was registered. The rise in the water level favored the occurrence of mites in agglomerations on Eichhornia azurea in function of the depletion of oxygen in deep areas of the lakes and through the increase of hosts and prey. Temporal variation in mite density was related to the density of available prey, while vertical variation in the segment was diet specific and some specimens were tolerant to hypoxic conditionsA densidade e distribuição dos ácaros em diferentes segmentos do estolão submerso de Eichhornia azurea foram estudadas mensalmente durante 13 meses, em duas lagoas da planície de inundação do alto rio Paraná. A variação fluviométrica e conseqüente diminuição nas concentrações de oxigênio dissolvido durante a fase de águas altas foram evidenciadas pela PCA. A DCA mostrou a distribuição dos gêneros nos segmentos da planta, formando 5 grupos: grupo A, formado por Centrolimnesia, grupo B, por Unionicola, Koenikea, Neumania, Piona e ninfas, grupo C, por Arrenurus, e grupo E formado por Hydrodroma e Hydrozetes. Os gêneros dos grupos A, C e E apresentaram suas maiores densidades nos segmentos apical e intermediário, pois são considerados menos tolerantes às baixas concentrações de oxigênio. Os grupos B e D foram representados por gêneros adaptados ao fundo e que toleram a hipoxia, onde se registrou maior densidade no segmento basal. A elevação do nível da água favoreceu a ocorrência dos ácaros nos bancos de Eichhornia azurea em função do déficit de oxigênio em regiões profundas das lagoas e através do aumento de hospedeiros e presas. A variação temporal na densidade de ácaros foi relacionada à densidade de presas disponíveis, enquanto que a distribuição nos segmentos foi a relacionada com a especificidade alimentar e a tolerância a hipoxia de alguns gênerosUniversidade Estadual De Maringá2008-03-24info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/126810.4025/actascibiolsci.v27i4.1268Acta Scientiarum. Biological Sciences; Vol 27 No 4 (2005); 329-337Acta Scientiarum. Biological Sciences; v. 27 n. 4 (2005); 329-3371807-863X1679-9283reponame:Acta Scientiarum Biological Sciencesinstname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1268/727Monkolski, AlexandreTakeda, Alice MichiyoMelo, Sandra Maria deinfo:eu-repo/semantics/openAccess2022-11-23T17:33:05Zoai:periodicos.uem.br/ojs:article/1268Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/oai||actabiol@uem.br1807-863X1679-9283opendoar:2022-11-23T17:33:05Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)false
dc.title.none.fl_str_mv Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
Estrutura da fauna de ácaros aquáticos associados a Eichhornia azurea em duas lagoas na planície de inundação do alto rio Paraná, Estado do Mato Grosso do Sul, Brasil - DOI: 10.4025/actascibiolsci.v27i4.1268
title Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
spellingShingle Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
Monkolski, Alexandre
ácaros aquáticos
macrófitas
planície de inundação
2.05.00.00-9 Ecologia
title_short Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
title_full Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
title_fullStr Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
title_full_unstemmed Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
title_sort Fauna structure of water mites associated with Eichhornia azurea in two lakes of the upper Paraná floodplain, Mato Grosso do Sul State, Brazil - DOI: 10.4025/actascibiolsci.v27i4.1268
author Monkolski, Alexandre
author_facet Monkolski, Alexandre
Takeda, Alice Michiyo
Melo, Sandra Maria de
author_role author
author2 Takeda, Alice Michiyo
Melo, Sandra Maria de
author2_role author
author
dc.contributor.author.fl_str_mv Monkolski, Alexandre
Takeda, Alice Michiyo
Melo, Sandra Maria de
dc.subject.por.fl_str_mv ácaros aquáticos
macrófitas
planície de inundação
2.05.00.00-9 Ecologia
topic ácaros aquáticos
macrófitas
planície de inundação
2.05.00.00-9 Ecologia
description The density and distribution of mites in different sections of the stolon of Eichhornia azurea were studied monthly for 13 months in two upper Paraná River floodplain lakes. The fluviometric variation and consequent changes in the concentrations of dissolved oxygen in the shallow water phase were shown by PCA. DCA showed the mites distribution in the plant sections, forming 5 groups: group A formed by Centrolimnesia, group B formed by Unionicola, Koenikea, Neumania, Piona and nymphs, group C by Arrenurus and group E formed by Hydrodroma and Hydrozetes. The mites of groups A, C, and E presented high density in the apical and intermediary sections; therefore, the specimens were less tolerant of the low concentrations of oxygen. Groups B and D were represented by specimens adapted to the bottom and tolerant of hypoxic conditions, where high density in the basal segment was registered. The rise in the water level favored the occurrence of mites in agglomerations on Eichhornia azurea in function of the depletion of oxygen in deep areas of the lakes and through the increase of hosts and prey. Temporal variation in mite density was related to the density of available prey, while vertical variation in the segment was diet specific and some specimens were tolerant to hypoxic conditions
publishDate 2008
dc.date.none.fl_str_mv 2008-03-24
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 http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1268
10.4025/actascibiolsci.v27i4.1268
url http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1268
identifier_str_mv 10.4025/actascibiolsci.v27i4.1268
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1268/727
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 Universidade Estadual De Maringá
publisher.none.fl_str_mv Universidade Estadual De Maringá
dc.source.none.fl_str_mv Acta Scientiarum. Biological Sciences; Vol 27 No 4 (2005); 329-337
Acta Scientiarum. Biological Sciences; v. 27 n. 4 (2005); 329-337
1807-863X
1679-9283
reponame:Acta Scientiarum Biological Sciences
instname:Universidade Estadual de Maringá (UEM)
instacron:UEM
instname_str Universidade Estadual de Maringá (UEM)
instacron_str UEM
institution UEM
reponame_str Acta Scientiarum Biological Sciences
collection Acta Scientiarum Biological Sciences
repository.name.fl_str_mv Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)
repository.mail.fl_str_mv ||actabiol@uem.br
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