Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields

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...

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Principais autores:	Becker, Vanessa, Rodrigues, Lúcia Helena Ribeiro, Canterle, Eliete Bertazzo, Gazulha, Vanessa, Hamester, Ângela, Marques, David da Motta
Formato:	article
Idioma:	English
Publicado em:	Academic Journals
Assuntos:	Chlorophyll a Filter-feeders Planktivorous fish Temporal gradient
Endereço do item:	https://repositorio.ufrn.br/handle/123456789/30932
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id	ri-123456789-30932
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spelling	ri-123456789-309322020-12-13T08:01:57Z Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields Becker, Vanessa Rodrigues, Lúcia Helena Ribeiro Canterle, Eliete Bertazzo Gazulha, Vanessa Hamester, Ângela Marques, David da Motta Chlorophyll a Filter-feeders Planktivorous fish Temporal gradient 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 2020-12-08T23:26:22Z 2020-12-08T23:26:22Z 2011-05-18 article 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 https://repositorio.ufrn.br/handle/123456789/30932 10.5897/sre10.735 en Attribution 3.0 Brazil http://creativecommons.org/licenses/by/3.0/br/ application/pdf Academic Journals
institution	Repositório Institucional
collection	RI - UFRN
language	English
topic	Chlorophyll a Filter-feeders Planktivorous fish Temporal gradient
spellingShingle	Chlorophyll a Filter-feeders Planktivorous fish Temporal gradient Becker, Vanessa Rodrigues, Lúcia Helena Ribeiro Canterle, Eliete Bertazzo Gazulha, Vanessa Hamester, Ângela Marques, David da Motta Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields
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
format	article
author	Becker, Vanessa Rodrigues, Lúcia Helena Ribeiro Canterle, Eliete Bertazzo Gazulha, Vanessa Hamester, Ângela Marques, David da Motta
author_facet	Becker, Vanessa Rodrigues, Lúcia Helena Ribeiro Canterle, Eliete Bertazzo Gazulha, Vanessa Hamester, Ângela Marques, David da Motta
author_sort	Becker, Vanessa
title	Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields
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
publisher	Academic Journals
publishDate	2020
url	https://repositorio.ufrn.br/handle/123456789/30932
work_keys_str_mv	AT beckervanessa dynamicsofplanktonandfishinasubtropicaltemporarywetlandricefields AT rodriguesluciahelenaribeiro dynamicsofplanktonandfishinasubtropicaltemporarywetlandricefields AT canterleelietebertazzo dynamicsofplanktonandfishinasubtropicaltemporarywetlandricefields AT gazulhavanessa dynamicsofplanktonandfishinasubtropicaltemporarywetlandricefields AT hamesterangela dynamicsofplanktonandfishinasubtropicaltemporarywetlandricefields AT marquesdaviddamotta dynamicsofplanktonandfishinasubtropicaltemporarywetlandricefields
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Dynamics of plankton and fish in a subtropical temporary wetland: Rice fields

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