Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFRN |
Texto Completo: | https://repositorio.ufrn.br/handle/123456789/30932 |
Resumo: | Rice fields are temporary wetlands that harbor many of the same species that breed in natural temporary ponds. These systems have a complex limnology, characterized by rapid physical, chemical, and biological changes. The goal of this study was to evaluate the role of nutrients in the plankton and fish dynamics during a production cycle, based on the auto-ecology of the species related to their adaptations to environmental temporal changes in an irrigated rice field in Southern Brazil. The principal components analysis (PCA) indicated a temporal gradient driven by nutrient availability, grouping sampling periods according to the production cycle. ANOVA indicated temporal differences in the limnological variables during the development of the rice field production cycle. Linear regression showed a positive relationship between chlorophyll a, nutrients and biomass of small and medium filter-feeders. In contrast, planktivorous fish biomass was inversely related to chlorophyll a. This study showed both top down and bottom up processes simultaneously regulating the primary production in the rice field wetland along a temporal gradient the rice production cycle |
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Becker, VanessaRodrigues, Lúcia Helena RibeiroCanterle, Eliete BertazzoGazulha, VanessaHamester, ÂngelaMarques, David da Motta2020-12-08T23:26:22Z2020-12-08T23:26:22Z2011-05-18RODRIGUES, L. H. R. ; CANTERLE, E. B. ; BECKER, V. ; PAULO, V. G. ; HAMESTER, A. ; MARQUES, D. da M. . Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields. Scientific Research and Essays, v. 6, p. 2069-2077, 2011. Disponível em <https://academicjournals.org/journal/SRE/article-abstract/AC1FCBD22672>. Acesso em 20 out 2020. http://dx.doi.org/10.5897/sre10.735.1992-2248https://repositorio.ufrn.br/handle/123456789/3093210.5897/sre10.735Academic JournalsAttribution 3.0 Brazilhttp://creativecommons.org/licenses/by/3.0/br/info:eu-repo/semantics/openAccessChlorophyll aFilter-feedersPlanktivorous fishTemporal gradientDynamics of plankton and fish in a subtropical temporary wetland: Rice fieldsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleRice fields are temporary wetlands that harbor many of the same species that breed in natural temporary ponds. These systems have a complex limnology, characterized by rapid physical, chemical, and biological changes. The goal of this study was to evaluate the role of nutrients in the plankton and fish dynamics during a production cycle, based on the auto-ecology of the species related to their adaptations to environmental temporal changes in an irrigated rice field in Southern Brazil. The principal components analysis (PCA) indicated a temporal gradient driven by nutrient availability, grouping sampling periods according to the production cycle. ANOVA indicated temporal differences in the limnological variables during the development of the rice field production cycle. Linear regression showed a positive relationship between chlorophyll a, nutrients and biomass of small and medium filter-feeders. In contrast, planktivorous fish biomass was inversely related to chlorophyll a. 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dc.title.pt_BR.fl_str_mv |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields |
title |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields |
spellingShingle |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields Becker, Vanessa Chlorophyll a Filter-feeders Planktivorous fish Temporal gradient |
title_short |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields |
title_full |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields |
title_fullStr |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields |
title_full_unstemmed |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields |
title_sort |
Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields |
author |
Becker, Vanessa |
author_facet |
Becker, Vanessa Rodrigues, Lúcia Helena Ribeiro Canterle, Eliete Bertazzo Gazulha, Vanessa Hamester, Ângela Marques, David da Motta |
author_role |
author |
author2 |
Rodrigues, Lúcia Helena Ribeiro Canterle, Eliete Bertazzo Gazulha, Vanessa Hamester, Ângela Marques, David da Motta |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Becker, Vanessa Rodrigues, Lúcia Helena Ribeiro Canterle, Eliete Bertazzo Gazulha, Vanessa Hamester, Ângela Marques, David da Motta |
dc.subject.por.fl_str_mv |
Chlorophyll a Filter-feeders Planktivorous fish Temporal gradient |
topic |
Chlorophyll a Filter-feeders Planktivorous fish Temporal gradient |
description |
Rice fields are temporary wetlands that harbor many of the same species that breed in natural temporary ponds. These systems have a complex limnology, characterized by rapid physical, chemical, and biological changes. The goal of this study was to evaluate the role of nutrients in the plankton and fish dynamics during a production cycle, based on the auto-ecology of the species related to their adaptations to environmental temporal changes in an irrigated rice field in Southern Brazil. The principal components analysis (PCA) indicated a temporal gradient driven by nutrient availability, grouping sampling periods according to the production cycle. ANOVA indicated temporal differences in the limnological variables during the development of the rice field production cycle. Linear regression showed a positive relationship between chlorophyll a, nutrients and biomass of small and medium filter-feeders. In contrast, planktivorous fish biomass was inversely related to chlorophyll a. This study showed both top down and bottom up processes simultaneously regulating the primary production in the rice field wetland along a temporal gradient the rice production cycle |
publishDate |
2011 |
dc.date.issued.fl_str_mv |
2011-05-18 |
dc.date.accessioned.fl_str_mv |
2020-12-08T23:26:22Z |
dc.date.available.fl_str_mv |
2020-12-08T23:26:22Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
RODRIGUES, L. H. R. ; CANTERLE, E. B. ; BECKER, V. ; PAULO, V. G. ; HAMESTER, A. ; MARQUES, D. da M. . Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields. Scientific Research and Essays, v. 6, p. 2069-2077, 2011. Disponível em <https://academicjournals.org/journal/SRE/article-abstract/AC1FCBD22672>. Acesso em 20 out 2020. http://dx.doi.org/10.5897/sre10.735. |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufrn.br/handle/123456789/30932 |
dc.identifier.issn.none.fl_str_mv |
1992-2248 |
dc.identifier.doi.none.fl_str_mv |
10.5897/sre10.735 |
identifier_str_mv |
RODRIGUES, L. H. R. ; CANTERLE, E. B. ; BECKER, V. ; PAULO, V. G. ; HAMESTER, A. ; MARQUES, D. da M. . Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields. Scientific Research and Essays, v. 6, p. 2069-2077, 2011. Disponível em <https://academicjournals.org/journal/SRE/article-abstract/AC1FCBD22672>. Acesso em 20 out 2020. http://dx.doi.org/10.5897/sre10.735. 1992-2248 10.5897/sre10.735 |
url |
https://repositorio.ufrn.br/handle/123456789/30932 |
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eng |
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eng |
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Attribution 3.0 Brazil http://creativecommons.org/licenses/by/3.0/br/ |
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Academic Journals |
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Academic Journals |
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