Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Iheringia. Série Botânica |
Texto Completo: | https://isb.emnuvens.com.br/iheringia/article/view/166 |
Resumo: | This paper gives information about the external morphology, distribution and ecology of Diadesmis confervacea (Grunow) Hustedt, based on material collected in freshwater environments from the Coastal Plain of southern Brazil. The species was found solitaryand colony-forming within the plankton and metaphyton of lakes, a marshe and a pond, often inslightly acidic water (pH 6,2-6,6) whose conductivity was high (>110 μS.cm-1) and temperaturewithin 14 and 24°C. The striae density observed were similar to those individuals that were found in some lotic environments from Brazil and southern Africa. The valves ultrastructure was similar to the specimens that were cultivated in the United States, only differing by the lack of irregular granules on the mantle. |
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Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspectsDiadesmis confervacea (Diadesmiaceae-Bacillariophyta): morfologia externa, distribuição e aspectos ecológicosdiatomtaxonomydistributionBrazildiatomáceataxonomiadistribuiçãoBrasilThis paper gives information about the external morphology, distribution and ecology of Diadesmis confervacea (Grunow) Hustedt, based on material collected in freshwater environments from the Coastal Plain of southern Brazil. The species was found solitaryand colony-forming within the plankton and metaphyton of lakes, a marshe and a pond, often inslightly acidic water (pH 6,2-6,6) whose conductivity was high (>110 μS.cm-1) and temperaturewithin 14 and 24°C. The striae density observed were similar to those individuals that were found in some lotic environments from Brazil and southern Africa. The valves ultrastructure was similar to the specimens that were cultivated in the United States, only differing by the lack of irregular granules on the mantle.Este trabalho apresenta informações sobre a morfologia externa, distribuição e ecologia de Diademis confervacea (Grunow) Kützing com base em material coletado em ambientes de água doce da Planície Costeira do Sul do Brasil. A espécie foi encontrada isoladamente e formando colônia, no plâncton e metafiton em lagoas, banhado e açude, freqüente em águas levemente ácidas (pH 6,2-6,6) com alta condutividade (>110 μS.cm-1) e temperatura entre 14 e 24ºC. A densidade de estrias observadas foram similares às dos indivíduos encontrados em alguns ambientes lóticos do Brasil e do sul da África. A ultraestrutura das valvas foi semelhante à dos espécimens em cultivo nos Estados Unidos diferindo somente pela ausência de grânulos no manto.Iheringia. Série Botânica.Iheringia, Série Botânica.2008-06-19info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://isb.emnuvens.com.br/iheringia/article/view/166Iheringia. Série Botânica.; Vol. 63 No. 1 (2008); 171-176Iheringia, Série Botânica.; v. 63 n. 1 (2008); 171-1762446-82310073-4705reponame:Iheringia. Série Botânicainstname:Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)instacron:FZB/RSporhttps://isb.emnuvens.com.br/iheringia/article/view/166/173Copyright (c) 2015 Iheringia. Série Botânica.info:eu-repo/semantics/openAccessTorgan, Lezilda CarvalhoSantos, Cristiane Bahi dos2016-07-06T20:02:17Zoai:ojs.emnuvens.com.br:article/166Revistahttps://isb.emnuvens.com.br/iheringiaONGhttps://isb.emnuvens.com.br/iheringia/oai||iheringia-bot@fzb.rs.gov.br2446-82310073-4705opendoar:2016-07-06T20:02:17Iheringia. Série Botânica - Fundação Zoobotânica do Rio Grande do Sul (FZB/RS)false |
dc.title.none.fl_str_mv |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): morfologia externa, distribuição e aspectos ecológicos |
title |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects |
spellingShingle |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects Torgan, Lezilda Carvalho diatom taxonomy distribution Brazil diatomácea taxonomia distribuição Brasil |
title_short |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects |
title_full |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects |
title_fullStr |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects |
title_full_unstemmed |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects |
title_sort |
Diadesmis confervacea (Diadesmiaceae-Bacillariophyta): external morphology, distribution and ecological aspects |
author |
Torgan, Lezilda Carvalho |
author_facet |
Torgan, Lezilda Carvalho Santos, Cristiane Bahi dos |
author_role |
author |
author2 |
Santos, Cristiane Bahi dos |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Torgan, Lezilda Carvalho Santos, Cristiane Bahi dos |
dc.subject.por.fl_str_mv |
diatom taxonomy distribution Brazil diatomácea taxonomia distribuição Brasil |
topic |
diatom taxonomy distribution Brazil diatomácea taxonomia distribuição Brasil |
description |
This paper gives information about the external morphology, distribution and ecology of Diadesmis confervacea (Grunow) Hustedt, based on material collected in freshwater environments from the Coastal Plain of southern Brazil. The species was found solitaryand colony-forming within the plankton and metaphyton of lakes, a marshe and a pond, often inslightly acidic water (pH 6,2-6,6) whose conductivity was high (>110 μS.cm-1) and temperaturewithin 14 and 24°C. The striae density observed were similar to those individuals that were found in some lotic environments from Brazil and southern Africa. The valves ultrastructure was similar to the specimens that were cultivated in the United States, only differing by the lack of irregular granules on the mantle. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-06-19 |
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://isb.emnuvens.com.br/iheringia/article/view/166 |
url |
https://isb.emnuvens.com.br/iheringia/article/view/166 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://isb.emnuvens.com.br/iheringia/article/view/166/173 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2015 Iheringia. Série Botânica. info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2015 Iheringia. Série Botânica. |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Iheringia. Série Botânica. Iheringia, Série Botânica. |
publisher.none.fl_str_mv |
Iheringia. Série Botânica. Iheringia, Série Botânica. |
dc.source.none.fl_str_mv |
Iheringia. Série Botânica.; Vol. 63 No. 1 (2008); 171-176 Iheringia, Série Botânica.; v. 63 n. 1 (2008); 171-176 2446-8231 0073-4705 reponame:Iheringia. Série Botânica instname:Fundação Zoobotânica do Rio Grande do Sul (FZB/RS) instacron:FZB/RS |
instname_str |
Fundação Zoobotânica do Rio Grande do Sul (FZB/RS) |
instacron_str |
FZB/RS |
institution |
FZB/RS |
reponame_str |
Iheringia. Série Botânica |
collection |
Iheringia. Série Botânica |
repository.name.fl_str_mv |
Iheringia. Série Botânica - Fundação Zoobotânica do Rio Grande do Sul (FZB/RS) |
repository.mail.fl_str_mv |
||iheringia-bot@fzb.rs.gov.br |
_version_ |
1798948134835978240 |