Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611

Detalhes bibliográficos
Autor(a) principal: Dourado, Elãine Christine dos Santos
Data de Publicação: 2008
Outros Autores: Peretti, Danielle, Benedito-Cecilio, Evanilde
Tipo de documento: Artigo
Idioma: por
Título da fonte: Acta Scientiarum Biological Sciences
Texto Completo: http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1611
Resumo: The present research aimed to quantify the vascular plants caloric content in two reservoirs in Paraná, as well as the spatial and ecological group variabilities. The sampling was done in December 2002, in the fluvial, transition and lacustrine zones in Rosana and Mourão reservoirs. Aquatic macrophytes and riparian vegetation mature leaves, from different individuals (n=5), belonging to the same species, were randomly sampled. In order to obtain the caloric content, in cal.g-1 dry weight, the samples were pulverized in a ball mill and subjected to combustion in a PARR calorimetric bomb. The data were treated with a null model ANOVA (EcoSim 7.44 program). A wide caloric variability was verified in the vascular plants analysed. Besides, the spatial and ecological group variabilities were significant, so it is not recommended, being use of only one caloric value to these primary producers in energy flow models, necessary a preliminary inspection of the breadth and of the factors that determine such variation
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spelling Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611Variabilidade no conteúdo calórico de plantas vasculares em dois reservatórios do Estado do Paraná - DOI: 10.4025/actascibiolsci.v26i2.1611reservatóriosplantas vascularesconteúdo calórico2.01.00.00-0 Biologia GeralThe present research aimed to quantify the vascular plants caloric content in two reservoirs in Paraná, as well as the spatial and ecological group variabilities. The sampling was done in December 2002, in the fluvial, transition and lacustrine zones in Rosana and Mourão reservoirs. Aquatic macrophytes and riparian vegetation mature leaves, from different individuals (n=5), belonging to the same species, were randomly sampled. In order to obtain the caloric content, in cal.g-1 dry weight, the samples were pulverized in a ball mill and subjected to combustion in a PARR calorimetric bomb. The data were treated with a null model ANOVA (EcoSim 7.44 program). A wide caloric variability was verified in the vascular plants analysed. Besides, the spatial and ecological group variabilities were significant, so it is not recommended, being use of only one caloric value to these primary producers in energy flow models, necessary a preliminary inspection of the breadth and of the factors that determine such variationCom o intuito de quantificar o conteúdo calórico das plantas vasculares de dois reservatórios do Estado do Paraná, bem como sua variabilidade espacial e entre grupos ecológicos, foram realizadas amostragens em dezembro de 2002, nas zonas fluvial, de transição e lacustre dos reservatórios Mourão e Rosana. Foram amostradas, ao acaso, folhas maduras de plantas aquáticas e da vegetação ripária de diferentes indivíduos (n = 5), pertencentes à mesma espécie. Para obtenção do conteúdo calórico, em cal.g-1 de peso seco, as amostras foram maceradas em moinho de bola e submetidas à combustão em bomba calorimétrica PARR. Os dados foram submetidos a uma ANOVA modelo nulo, utilizando-se o programa EcoSim versão 7.44. Foi constatado que as plantas vasculares analisadas apresentaram ampla variabilidade calórica. Além disso, foram significativas as variabilidades espacial e entre os grupos ecológicos, não sendo recomendável o uso de um único valor calórico para estes produtores primários em modelos de fluxo de energia, sendo necessária, uma inspeção preliminar da amplitude e dos fatores que são determinantes de tal variaçãoUniversidade Estadual De Maringá2008-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/161110.4025/actascibiolsci.v26i2.1611Acta Scientiarum. Biological Sciences; Vol 26 No 2 (2004); 137-142Acta Scientiarum. Biological Sciences; v. 26 n. 2 (2004); 137-1421807-863X1679-9283reponame:Acta Scientiarum Biological Sciencesinstname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1611/976Dourado, Elãine Christine dos SantosPeretti, DanielleBenedito-Cecilio, Evanildeinfo:eu-repo/semantics/openAccess2022-11-23T17:33:13Zoai:periodicos.uem.br/ojs:article/1611Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSciPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/oai||actabiol@uem.br1807-863X1679-9283opendoar:2022-11-23T17:33:13Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)false
dc.title.none.fl_str_mv Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
Variabilidade no conteúdo calórico de plantas vasculares em dois reservatórios do Estado do Paraná - DOI: 10.4025/actascibiolsci.v26i2.1611
title Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
spellingShingle Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
Dourado, Elãine Christine dos Santos
reservatórios
plantas vasculares
conteúdo calórico
2.01.00.00-0 Biologia Geral
title_short Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
title_full Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
title_fullStr Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
title_full_unstemmed Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
title_sort Variability in the caloric content of vascular plants in two Paraná State reservoirs - DOI: 10.4025/actascibiolsci.v26i2.1611
author Dourado, Elãine Christine dos Santos
author_facet Dourado, Elãine Christine dos Santos
Peretti, Danielle
Benedito-Cecilio, Evanilde
author_role author
author2 Peretti, Danielle
Benedito-Cecilio, Evanilde
author2_role author
author
dc.contributor.author.fl_str_mv Dourado, Elãine Christine dos Santos
Peretti, Danielle
Benedito-Cecilio, Evanilde
dc.subject.por.fl_str_mv reservatórios
plantas vasculares
conteúdo calórico
2.01.00.00-0 Biologia Geral
topic reservatórios
plantas vasculares
conteúdo calórico
2.01.00.00-0 Biologia Geral
description The present research aimed to quantify the vascular plants caloric content in two reservoirs in Paraná, as well as the spatial and ecological group variabilities. The sampling was done in December 2002, in the fluvial, transition and lacustrine zones in Rosana and Mourão reservoirs. Aquatic macrophytes and riparian vegetation mature leaves, from different individuals (n=5), belonging to the same species, were randomly sampled. In order to obtain the caloric content, in cal.g-1 dry weight, the samples were pulverized in a ball mill and subjected to combustion in a PARR calorimetric bomb. The data were treated with a null model ANOVA (EcoSim 7.44 program). A wide caloric variability was verified in the vascular plants analysed. Besides, the spatial and ecological group variabilities were significant, so it is not recommended, being use of only one caloric value to these primary producers in energy flow models, necessary a preliminary inspection of the breadth and of the factors that determine such variation
publishDate 2008
dc.date.none.fl_str_mv 2008-04-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1611
10.4025/actascibiolsci.v26i2.1611
url http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1611
identifier_str_mv 10.4025/actascibiolsci.v26i2.1611
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv http://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/1611/976
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Estadual De Maringá
publisher.none.fl_str_mv Universidade Estadual De Maringá
dc.source.none.fl_str_mv Acta Scientiarum. Biological Sciences; Vol 26 No 2 (2004); 137-142
Acta Scientiarum. Biological Sciences; v. 26 n. 2 (2004); 137-142
1807-863X
1679-9283
reponame:Acta Scientiarum Biological Sciences
instname:Universidade Estadual de Maringá (UEM)
instacron:UEM
instname_str Universidade Estadual de Maringá (UEM)
instacron_str UEM
institution UEM
reponame_str Acta Scientiarum Biological Sciences
collection Acta Scientiarum Biological Sciences
repository.name.fl_str_mv Acta Scientiarum Biological Sciences - Universidade Estadual de Maringá (UEM)
repository.mail.fl_str_mv ||actabiol@uem.br
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