Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Neotropical ichthyology (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252009000300009 |
Resumo: | This study aims to determine which of twelve environmental parameters (five physicochemical and seven hydromorphological) influence on the fish assemblage structure of the lower Mortes River basin located in the Bananal floodplain of the Araguaia River basin, Central Brazil. Sampling was conducted in six stretches of 1000 m each during the high and low waters. Fish were captured using gill nets and environmental parameters were measured by portable equipment or determined visually. The co-inertia analysis indicated that two physicochemical (dissolved oxygen and water transparency), and four hydromorphological (channel width and depth, riparian vegetation cover and type of the riverside substrate) parameters structure the fish assemblages, both driven by the regional hydrological patterns (flood pulse). These results are explained by fish-environmental parameters relationship characteristic of the aquatic Neotropical systems. |
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Neotropical ichthyology (Online) |
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Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central BrazilEcological interactionsPhysicochemical variablesHydromorphologyThis study aims to determine which of twelve environmental parameters (five physicochemical and seven hydromorphological) influence on the fish assemblage structure of the lower Mortes River basin located in the Bananal floodplain of the Araguaia River basin, Central Brazil. Sampling was conducted in six stretches of 1000 m each during the high and low waters. Fish were captured using gill nets and environmental parameters were measured by portable equipment or determined visually. The co-inertia analysis indicated that two physicochemical (dissolved oxygen and water transparency), and four hydromorphological (channel width and depth, riparian vegetation cover and type of the riverside substrate) parameters structure the fish assemblages, both driven by the regional hydrological patterns (flood pulse). These results are explained by fish-environmental parameters relationship characteristic of the aquatic Neotropical systems.Sociedade Brasileira de Ictiologia2009-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252009000300009Neotropical Ichthyology v.7 n.3 2009reponame:Neotropical ichthyology (Online)instname:Sociedade Brasileira de Ictiologia (SBI)instacron:SBI10.1590/S1679-62252009000300009info:eu-repo/semantics/openAccessMelo,Tatiana Lima deTejerina-Garro,Francisco LeonardoMelo,Cesar Enrique deeng2009-10-30T00:00:00Zoai:scielo:S1679-62252009000300009Revistahttp://www.ufrgs.br/ni/https://old.scielo.br/oai/scielo-oai.php||neoichth@nupelia.uem.br1982-02241679-6225opendoar:2009-10-30T00:00Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI)false |
dc.title.none.fl_str_mv |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil |
title |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil |
spellingShingle |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil Melo,Tatiana Lima de Ecological interactions Physicochemical variables Hydromorphology |
title_short |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil |
title_full |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil |
title_fullStr |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil |
title_full_unstemmed |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil |
title_sort |
Influence of environmental parameters on fish assemblage of a neotropical river with a flood pulse regime, Central Brazil |
author |
Melo,Tatiana Lima de |
author_facet |
Melo,Tatiana Lima de Tejerina-Garro,Francisco Leonardo Melo,Cesar Enrique de |
author_role |
author |
author2 |
Tejerina-Garro,Francisco Leonardo Melo,Cesar Enrique de |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Melo,Tatiana Lima de Tejerina-Garro,Francisco Leonardo Melo,Cesar Enrique de |
dc.subject.por.fl_str_mv |
Ecological interactions Physicochemical variables Hydromorphology |
topic |
Ecological interactions Physicochemical variables Hydromorphology |
description |
This study aims to determine which of twelve environmental parameters (five physicochemical and seven hydromorphological) influence on the fish assemblage structure of the lower Mortes River basin located in the Bananal floodplain of the Araguaia River basin, Central Brazil. Sampling was conducted in six stretches of 1000 m each during the high and low waters. Fish were captured using gill nets and environmental parameters were measured by portable equipment or determined visually. The co-inertia analysis indicated that two physicochemical (dissolved oxygen and water transparency), and four hydromorphological (channel width and depth, riparian vegetation cover and type of the riverside substrate) parameters structure the fish assemblages, both driven by the regional hydrological patterns (flood pulse). These results are explained by fish-environmental parameters relationship characteristic of the aquatic Neotropical systems. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-09-01 |
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=S1679-62252009000300009 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252009000300009 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S1679-62252009000300009 |
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 Brasileira de Ictiologia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Ictiologia |
dc.source.none.fl_str_mv |
Neotropical Ichthyology v.7 n.3 2009 reponame:Neotropical ichthyology (Online) instname:Sociedade Brasileira de Ictiologia (SBI) instacron:SBI |
instname_str |
Sociedade Brasileira de Ictiologia (SBI) |
instacron_str |
SBI |
institution |
SBI |
reponame_str |
Neotropical ichthyology (Online) |
collection |
Neotropical ichthyology (Online) |
repository.name.fl_str_mv |
Neotropical ichthyology (Online) - Sociedade Brasileira de Ictiologia (SBI) |
repository.mail.fl_str_mv |
||neoichth@nupelia.uem.br |
_version_ |
1752122179103752192 |