Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta Botanica Brasilica |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062010000400007 |
Resumo: | The phytoplankton community was studied around two artificial reefs (shipwrecks Servemar-X and Servemar-I), located off the coast of Pernambuco, northeastern Brazil, aiming to identify and thus, better describe these environments. Water samples were collected with Nansen bottle at three depths (surface, mid-column and bottom) for chlorophyll a analysis and salinity; temperature and water transparency were also measured. To collect phytoplankton samples, a diver using SCUBA equipment carried out phytoplankton hauls with a 20 µm net around the shipwrecks, about 1.5 m from the bottom for approximatly 3 minutes. Chlorophyll a concentrations at the bottom varied between 0.61 and 5.97 mg.m-3, with an average that indicates a mesotrophic environment. Temperature and salinity registered small seasonal variation, while water transparency showed a seasonal spatial pattern positively related to Chl-a rates. As regards the phytoplankton community, diatoms were the most representative group in the samples, followed by dinoflagellates, and among the species, the cyanobacteria Trichodesmium thiebautii Gomont ex Gomont prevailed quantitatively. The ecological importance of these ecosystems was confirmed by the high diversity and evenness indexes, with the influence of coastal waters playing an essential role in phytoplankton structure and diversity. |
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Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazilchlorophyll aartificial reefTrichodesmiumdivingThe phytoplankton community was studied around two artificial reefs (shipwrecks Servemar-X and Servemar-I), located off the coast of Pernambuco, northeastern Brazil, aiming to identify and thus, better describe these environments. Water samples were collected with Nansen bottle at three depths (surface, mid-column and bottom) for chlorophyll a analysis and salinity; temperature and water transparency were also measured. To collect phytoplankton samples, a diver using SCUBA equipment carried out phytoplankton hauls with a 20 µm net around the shipwrecks, about 1.5 m from the bottom for approximatly 3 minutes. Chlorophyll a concentrations at the bottom varied between 0.61 and 5.97 mg.m-3, with an average that indicates a mesotrophic environment. Temperature and salinity registered small seasonal variation, while water transparency showed a seasonal spatial pattern positively related to Chl-a rates. As regards the phytoplankton community, diatoms were the most representative group in the samples, followed by dinoflagellates, and among the species, the cyanobacteria Trichodesmium thiebautii Gomont ex Gomont prevailed quantitatively. The ecological importance of these ecosystems was confirmed by the high diversity and evenness indexes, with the influence of coastal waters playing an essential role in phytoplankton structure and diversity.Sociedade Botânica do Brasil2010-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062010000400007Acta Botanica Brasilica v.24 n.4 2010reponame:Acta Botanica Brasilicainstname:Sociedade Botânica do Brasil (SBB)instacron:SBB10.1590/S0102-33062010000400007info:eu-repo/semantics/openAccessSantos,Douglas Henrique Cavalcanti dosSilva-Cunha,Maria da Glória GonçalvesSantiago,Marilene FelipePassavante,José Zanon de Oliveiraeng2011-02-21T00:00:00Zoai:scielo:S0102-33062010000400007Revistahttps://www.scielo.br/j/abb/ONGhttps://old.scielo.br/oai/scielo-oai.phpacta@botanica.org.br||acta@botanica.org.br|| f.a.r.santos@gmail.com1677-941X0102-3306opendoar:2011-02-21T00:00Acta Botanica Brasilica - Sociedade Botânica do Brasil (SBB)false |
dc.title.none.fl_str_mv |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil |
title |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil |
spellingShingle |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil Santos,Douglas Henrique Cavalcanti dos chlorophyll a artificial reef Trichodesmium diving |
title_short |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil |
title_full |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil |
title_fullStr |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil |
title_full_unstemmed |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil |
title_sort |
Characterization of phytoplankton biodiversity in tropical shipwrecks off the coast of Pernambuco, Brazil |
author |
Santos,Douglas Henrique Cavalcanti dos |
author_facet |
Santos,Douglas Henrique Cavalcanti dos Silva-Cunha,Maria da Glória Gonçalves Santiago,Marilene Felipe Passavante,José Zanon de Oliveira |
author_role |
author |
author2 |
Silva-Cunha,Maria da Glória Gonçalves Santiago,Marilene Felipe Passavante,José Zanon de Oliveira |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Santos,Douglas Henrique Cavalcanti dos Silva-Cunha,Maria da Glória Gonçalves Santiago,Marilene Felipe Passavante,José Zanon de Oliveira |
dc.subject.por.fl_str_mv |
chlorophyll a artificial reef Trichodesmium diving |
topic |
chlorophyll a artificial reef Trichodesmium diving |
description |
The phytoplankton community was studied around two artificial reefs (shipwrecks Servemar-X and Servemar-I), located off the coast of Pernambuco, northeastern Brazil, aiming to identify and thus, better describe these environments. Water samples were collected with Nansen bottle at three depths (surface, mid-column and bottom) for chlorophyll a analysis and salinity; temperature and water transparency were also measured. To collect phytoplankton samples, a diver using SCUBA equipment carried out phytoplankton hauls with a 20 µm net around the shipwrecks, about 1.5 m from the bottom for approximatly 3 minutes. Chlorophyll a concentrations at the bottom varied between 0.61 and 5.97 mg.m-3, with an average that indicates a mesotrophic environment. Temperature and salinity registered small seasonal variation, while water transparency showed a seasonal spatial pattern positively related to Chl-a rates. As regards the phytoplankton community, diatoms were the most representative group in the samples, followed by dinoflagellates, and among the species, the cyanobacteria Trichodesmium thiebautii Gomont ex Gomont prevailed quantitatively. The ecological importance of these ecosystems was confirmed by the high diversity and evenness indexes, with the influence of coastal waters playing an essential role in phytoplankton structure and diversity. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-12-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062010000400007 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062010000400007 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0102-33062010000400007 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Botânica do Brasil |
publisher.none.fl_str_mv |
Sociedade Botânica do Brasil |
dc.source.none.fl_str_mv |
Acta Botanica Brasilica v.24 n.4 2010 reponame:Acta Botanica Brasilica instname:Sociedade Botânica do Brasil (SBB) instacron:SBB |
instname_str |
Sociedade Botânica do Brasil (SBB) |
instacron_str |
SBB |
institution |
SBB |
reponame_str |
Acta Botanica Brasilica |
collection |
Acta Botanica Brasilica |
repository.name.fl_str_mv |
Acta Botanica Brasilica - Sociedade Botânica do Brasil (SBB) |
repository.mail.fl_str_mv |
acta@botanica.org.br||acta@botanica.org.br|| f.a.r.santos@gmail.com |
_version_ |
1752126659681583104 |