Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil

Detalhes bibliográficos
Autor(a) principal: Leandrini,JA.
Data de Publicação: 2008
Outros Autores: Fonseca,IA., Rodrigues,L.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Journal of Biology
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842008000300006
Resumo: Considering the relevant role played by the hydrological regime on the structure and functioning of floodplains, this study aims at characterizing different types of aquatic environments according to periphyton biomass and evaluating the influence of the fluviometric levels of the Paraná River and other forcing functions upon the periphytic community. Periphyton (chlorophyll a) was analyzed in 28 habitats, during the years 2000 and 2001, in high and low water seasons. Both years were characterized by lacking the characteristic high water season. The Principal Components Analysis revealed two groups. The first component was positively associated with hydrometric level, electric conductivity, pH and transparency, and negatively with total nitrogen and total phosphorus, dissolved organic carbon and turbidity. The second component separated the habitats of Paraná River in the period of low waters from other environments, mainly for hydrometric level and high transparency values. Periphytic biomass of the habitats demonstrated that the maintenance of the functional integrity of the Upper Paraná River floodplain is closely related to its hydrologic cycle.
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spelling Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, BrazilperiphytonfloodplainbiomassParaná riverConsidering the relevant role played by the hydrological regime on the structure and functioning of floodplains, this study aims at characterizing different types of aquatic environments according to periphyton biomass and evaluating the influence of the fluviometric levels of the Paraná River and other forcing functions upon the periphytic community. Periphyton (chlorophyll a) was analyzed in 28 habitats, during the years 2000 and 2001, in high and low water seasons. Both years were characterized by lacking the characteristic high water season. The Principal Components Analysis revealed two groups. The first component was positively associated with hydrometric level, electric conductivity, pH and transparency, and negatively with total nitrogen and total phosphorus, dissolved organic carbon and turbidity. The second component separated the habitats of Paraná River in the period of low waters from other environments, mainly for hydrometric level and high transparency values. Periphytic biomass of the habitats demonstrated that the maintenance of the functional integrity of the Upper Paraná River floodplain is closely related to its hydrologic cycle.Instituto Internacional de Ecologia2008-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842008000300006Brazilian Journal of Biology v.68 n.3 2008reponame:Brazilian Journal of Biologyinstname:Instituto Internacional de Ecologia (IIE)instacron:IIE10.1590/S1519-69842008000300006info:eu-repo/semantics/openAccessLeandrini,JA.Fonseca,IA.Rodrigues,L.eng2008-09-23T00:00:00Zoai:scielo:S1519-69842008000300006Revistahttps://www.scielo.br/j/bjb/https://old.scielo.br/oai/scielo-oai.phpbjb@bjb.com.br||bjb@bjb.com.br1678-43751519-6984opendoar:2008-09-23T00:00Brazilian Journal of Biology - Instituto Internacional de Ecologia (IIE)false
dc.title.none.fl_str_mv Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
title Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
spellingShingle Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
Leandrini,JA.
periphyton
floodplain
biomass
Paraná river
title_short Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
title_full Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
title_fullStr Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
title_full_unstemmed Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
title_sort Characterization of habitats based on algal periphyton biomass in the upper Paraná River floodplain, Brazil
author Leandrini,JA.
author_facet Leandrini,JA.
Fonseca,IA.
Rodrigues,L.
author_role author
author2 Fonseca,IA.
Rodrigues,L.
author2_role author
author
dc.contributor.author.fl_str_mv Leandrini,JA.
Fonseca,IA.
Rodrigues,L.
dc.subject.por.fl_str_mv periphyton
floodplain
biomass
Paraná river
topic periphyton
floodplain
biomass
Paraná river
description Considering the relevant role played by the hydrological regime on the structure and functioning of floodplains, this study aims at characterizing different types of aquatic environments according to periphyton biomass and evaluating the influence of the fluviometric levels of the Paraná River and other forcing functions upon the periphytic community. Periphyton (chlorophyll a) was analyzed in 28 habitats, during the years 2000 and 2001, in high and low water seasons. Both years were characterized by lacking the characteristic high water season. The Principal Components Analysis revealed two groups. The first component was positively associated with hydrometric level, electric conductivity, pH and transparency, and negatively with total nitrogen and total phosphorus, dissolved organic carbon and turbidity. The second component separated the habitats of Paraná River in the period of low waters from other environments, mainly for hydrometric level and high transparency values. Periphytic biomass of the habitats demonstrated that the maintenance of the functional integrity of the Upper Paraná River floodplain is closely related to its hydrologic cycle.
publishDate 2008
dc.date.none.fl_str_mv 2008-08-01
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=S1519-69842008000300006
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842008000300006
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1519-69842008000300006
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 Instituto Internacional de Ecologia
publisher.none.fl_str_mv Instituto Internacional de Ecologia
dc.source.none.fl_str_mv Brazilian Journal of Biology v.68 n.3 2008
reponame:Brazilian Journal of Biology
instname:Instituto Internacional de Ecologia (IIE)
instacron:IIE
instname_str Instituto Internacional de Ecologia (IIE)
instacron_str IIE
institution IIE
reponame_str Brazilian Journal of Biology
collection Brazilian Journal of Biology
repository.name.fl_str_mv Brazilian Journal of Biology - Instituto Internacional de Ecologia (IIE)
repository.mail.fl_str_mv bjb@bjb.com.br||bjb@bjb.com.br
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