Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/7907 |
Resumo: | The complexity of an aquatic system requires understanding the dynamics of its components - both spatially and temporally. The trace elements, being found under different oxidation states (due to their high enrichment factors and low removal rates) are an important environmental stressor. This research aims to determine the availability and mobility of trace elements (Zn), cadmium (Cd), lead (Pb), copper (Cu) and chromium (Cr) between water, sediments and fish in rivers located in the Paraná river basin, in the state of Goiás, Brazil. In order to compare the distribution of these compounds and the dynamics of their flows between fish, sediments and water, data were collected during the dry season (April to September), using descriptive and multivariate statistics data analysis. The analysis of the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn suggests that the water-sediment interaction was influenced by environmental variables: the trace element Cu was influenced by the water temperature; the trace element Zn, in turn, was influenced by the pH of the water. As regards the biotic component, the analysis of the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn (obtained from muscle tissue samples of the fish species collected) suggests that the biomass, migratory habit and basin (hydrology) of the rivers sampled influenced the bioaccumulation of trace elements by fish species. On the other hand, the variables group-trophic, lithology and vegetation cover did not influence the bioaccumulation of trace elements by fish species. It was not observed a relation between the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn in the water-sediment-fish interrelationship, which suggests that the presence/incorporation of these metals occurred independently. There was no indication that geological variables (lithology), anthropic (removal of riparian forest), chemical (pH), hydrological (water velocity) and physical (water temperature) variables influenced the interrelation of Cr, Cu and Zn between analyzed components. The steps involved in this study, as well as the results obtained, characterize the importance of research aimed at a better understanding of the processes that control the availability and mobility of trace elements in aquatic systems. |
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Rocha, Cleonicehttp://lattes.cnpq.br/2020941827236396http://lattes.cnpq.br/9807251305319061Zara, Luiz Fabríciohttp://lattes.cnpq.br/0582418434279005Rocha, CleoniceTejerina-Garro, Francisco LeonardoCampos, Alfredo Borges deTelles, Mariana Pires de CamposLonghin, Sandra Reginahttp://lattes.cnpq.br/8272994980744652Costa, Henrique Santana2017-10-25T13:22:58Z2017-09-27COSTA, H. S. Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais. 2017. 117 f. Tese (Doutorado em Biotecnologia e Biodiversidade em Rede Pró-Centro-Oeste) - Universidade Federal de Goiás, Goiânia, 2017.http://repositorio.bc.ufg.br/tede/handle/tede/7907ark:/38995/0013000008tfkThe complexity of an aquatic system requires understanding the dynamics of its components - both spatially and temporally. The trace elements, being found under different oxidation states (due to their high enrichment factors and low removal rates) are an important environmental stressor. This research aims to determine the availability and mobility of trace elements (Zn), cadmium (Cd), lead (Pb), copper (Cu) and chromium (Cr) between water, sediments and fish in rivers located in the Paraná river basin, in the state of Goiás, Brazil. In order to compare the distribution of these compounds and the dynamics of their flows between fish, sediments and water, data were collected during the dry season (April to September), using descriptive and multivariate statistics data analysis. The analysis of the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn suggests that the water-sediment interaction was influenced by environmental variables: the trace element Cu was influenced by the water temperature; the trace element Zn, in turn, was influenced by the pH of the water. As regards the biotic component, the analysis of the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn (obtained from muscle tissue samples of the fish species collected) suggests that the biomass, migratory habit and basin (hydrology) of the rivers sampled influenced the bioaccumulation of trace elements by fish species. On the other hand, the variables group-trophic, lithology and vegetation cover did not influence the bioaccumulation of trace elements by fish species. It was not observed a relation between the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn in the water-sediment-fish interrelationship, which suggests that the presence/incorporation of these metals occurred independently. There was no indication that geological variables (lithology), anthropic (removal of riparian forest), chemical (pH), hydrological (water velocity) and physical (water temperature) variables influenced the interrelation of Cr, Cu and Zn between analyzed components. The steps involved in this study, as well as the results obtained, characterize the importance of research aimed at a better understanding of the processes that control the availability and mobility of trace elements in aquatic systems.A complexidade de um sistema aquático exige o entendimento da dinâmica de seus componentes – tanto espacial como temporalmente. Os elementos-traço, sendo encontrados sob diferentes estados de oxidação (devido a seus altos fatores de enriquecimento e baixas taxas de remoção) constituem um importante fator de stress ambiental. Esta investigação objetiva determinar a disponibilidade e mobilidade dos elementos-traço zinco (Zn), cádmio (Cd), chumbo (Pb), cobre (Cu) e cromo (Cr) entre água, sedimentos e peixes em rios localizados na bacia do rio Paraná, no estado de Goiás, Brasil. As coletas, realizadas durante o período de estiagem (abril a setembro), ocorreram em 2014 e 2015. No intuito de comparar a distribuição destes compostos e a dinâmica de seus fluxos entre peixes, sedimentos e água utilizou-se de estatística descritiva e multivariada na análise dos dados. A análise do coeficiente de distribuição (K d ) dos elementos-traço Cr, Cu e Zn sugere que a interação água-sedimento foi influenciada por variáveis ambientais: o elemento-traço Cu foi influenciado pela temperatura da água; o elemento-traço Zn, por sua vez, foi influenciado pelo pH da água. No que se refere ao componente biótico, a análise do coeficiente de distribuição (K d ) dos elementos-traço Cr, Cu e Zn (obtidos a partir de amostras de tecido muscular das espécies de peixes coletadas) sugere que as variáveis biomassa, hábito migratório e bacia (hidrologia) dos rios amostrados influenciaram nabioacumulação dos elementos-traço pelas espécies de peixes. Por outro lado, as variáveis grupo-trófico, litologia e cobertura vegetal não influenciaram a bioacumulação dos elementos-traço pelas espécies de peixes. Não foi evidenciada relação entre o coeficiente de distribuição (K d ) dos elementos-traço Cr, Cu e Zn na inter-relação água-sedimento-peixe, o que sugere que a presença/incorporação destes metais tenha ocorrido de modo independente. Não houve indicativo de que variáveis geológicas (litologia), antrópicas (retirada da mata ripária), químicas (pH), hidrológicas (velocidade da água) e físicas (temperatura da água) viessem a influenciar a inter-relação de Cr, Cu e Zn entre os componentes analisados. As etapas envolvidas neste estudo, bem como os resultados obtidos, caracterizam a importância de pesquisas voltadas para um melhor entendimento dos processos que controlam a disponibilidade e mobilidade de elementos-traço em sistemas aquáticos.Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2017-10-25T13:22:10Z No. of bitstreams: 2 Tese - Henrique Santana Costa - 2017.pdf: 64896969 bytes, checksum: 737cf9c0833f2c3f725f060ca2acc20c (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2017-10-25T13:22:58Z (GMT) No. of bitstreams: 2 Tese - Henrique Santana Costa - 2017.pdf: 64896969 bytes, checksum: 737cf9c0833f2c3f725f060ca2acc20c (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2017-10-25T13:22:58Z (GMT). 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dc.title.eng.fl_str_mv |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais |
dc.title.alternative.eng.fl_str_mv |
Avalability and mobility of trace elements in tropical aquatic systems |
title |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais |
spellingShingle |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais Costa, Henrique Santana Metais Sedimentos Peixes Contaminação Água Metals Water Sediments Fishes Contamination CIENCIAS BIOLOGICAS::ECOLOGIA |
title_short |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais |
title_full |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais |
title_fullStr |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais |
title_full_unstemmed |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais |
title_sort |
Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais |
author |
Costa, Henrique Santana |
author_facet |
Costa, Henrique Santana |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Rocha, Cleonice |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/2020941827236396 |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/9807251305319061 |
dc.contributor.advisor-co2.fl_str_mv |
Zara, Luiz Fabrício |
dc.contributor.advisor-co2Lattes.fl_str_mv |
http://lattes.cnpq.br/0582418434279005 |
dc.contributor.referee1.fl_str_mv |
Rocha, Cleonice |
dc.contributor.referee2.fl_str_mv |
Tejerina-Garro, Francisco Leonardo |
dc.contributor.referee3.fl_str_mv |
Campos, Alfredo Borges de |
dc.contributor.referee4.fl_str_mv |
Telles, Mariana Pires de Campos |
dc.contributor.referee5.fl_str_mv |
Longhin, Sandra Regina |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/8272994980744652 |
dc.contributor.author.fl_str_mv |
Costa, Henrique Santana |
contributor_str_mv |
Rocha, Cleonice Zara, Luiz Fabrício Rocha, Cleonice Tejerina-Garro, Francisco Leonardo Campos, Alfredo Borges de Telles, Mariana Pires de Campos Longhin, Sandra Regina |
dc.subject.por.fl_str_mv |
Metais Sedimentos Peixes Contaminação Água |
topic |
Metais Sedimentos Peixes Contaminação Água Metals Water Sediments Fishes Contamination CIENCIAS BIOLOGICAS::ECOLOGIA |
dc.subject.eng.fl_str_mv |
Metals Water Sediments Fishes Contamination |
dc.subject.cnpq.fl_str_mv |
CIENCIAS BIOLOGICAS::ECOLOGIA |
description |
The complexity of an aquatic system requires understanding the dynamics of its components - both spatially and temporally. The trace elements, being found under different oxidation states (due to their high enrichment factors and low removal rates) are an important environmental stressor. This research aims to determine the availability and mobility of trace elements (Zn), cadmium (Cd), lead (Pb), copper (Cu) and chromium (Cr) between water, sediments and fish in rivers located in the Paraná river basin, in the state of Goiás, Brazil. In order to compare the distribution of these compounds and the dynamics of their flows between fish, sediments and water, data were collected during the dry season (April to September), using descriptive and multivariate statistics data analysis. The analysis of the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn suggests that the water-sediment interaction was influenced by environmental variables: the trace element Cu was influenced by the water temperature; the trace element Zn, in turn, was influenced by the pH of the water. As regards the biotic component, the analysis of the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn (obtained from muscle tissue samples of the fish species collected) suggests that the biomass, migratory habit and basin (hydrology) of the rivers sampled influenced the bioaccumulation of trace elements by fish species. On the other hand, the variables group-trophic, lithology and vegetation cover did not influence the bioaccumulation of trace elements by fish species. It was not observed a relation between the distribution coefficient (K d ) of the trace elements Cr, Cu and Zn in the water-sediment-fish interrelationship, which suggests that the presence/incorporation of these metals occurred independently. There was no indication that geological variables (lithology), anthropic (removal of riparian forest), chemical (pH), hydrological (water velocity) and physical (water temperature) variables influenced the interrelation of Cr, Cu and Zn between analyzed components. The steps involved in this study, as well as the results obtained, characterize the importance of research aimed at a better understanding of the processes that control the availability and mobility of trace elements in aquatic systems. |
publishDate |
2017 |
dc.date.accessioned.fl_str_mv |
2017-10-25T13:22:58Z |
dc.date.issued.fl_str_mv |
2017-09-27 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
COSTA, H. S. Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais. 2017. 117 f. Tese (Doutorado em Biotecnologia e Biodiversidade em Rede Pró-Centro-Oeste) - Universidade Federal de Goiás, Goiânia, 2017. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/7907 |
dc.identifier.dark.fl_str_mv |
ark:/38995/0013000008tfk |
identifier_str_mv |
COSTA, H. S. Disponibilidade e mobilidade de elementos-traço em sistemas aquáticos tropicais. 2017. 117 f. Tese (Doutorado em Biotecnologia e Biodiversidade em Rede Pró-Centro-Oeste) - Universidade Federal de Goiás, Goiânia, 2017. ark:/38995/0013000008tfk |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/7907 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.program.fl_str_mv |
-5426281681775135487 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 |
dc.relation.department.fl_str_mv |
-264539188392646063 |
dc.relation.cnpq.fl_str_mv |
3263499605295365002 |
dc.relation.sponsorship.fl_str_mv |
-961409807440757778 |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Goiás |
dc.publisher.program.fl_str_mv |
Programa de Pós-graduação em Biotecnologia e Biodiversidade - Rede Pró-Centro-Oeste (PRPG/UnB) |
dc.publisher.initials.fl_str_mv |
UFG |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Pró-Reitoria de Pós-graduação (PRPG) |
publisher.none.fl_str_mv |
Universidade Federal de Goiás |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFG instname:Universidade Federal de Goiás (UFG) instacron:UFG |
instname_str |
Universidade Federal de Goiás (UFG) |
instacron_str |
UFG |
institution |
UFG |
reponame_str |
Repositório Institucional da UFG |
collection |
Repositório Institucional da UFG |
bitstream.url.fl_str_mv |
http://repositorio.bc.ufg.br/tede/bitstreams/d840e157-b7ec-4c87-95e0-9aad4758068d/download http://repositorio.bc.ufg.br/tede/bitstreams/a0bb600d-79d3-4d45-83cf-1dd196647211/download http://repositorio.bc.ufg.br/tede/bitstreams/be8fd4f4-0258-41bf-a7b6-34dcc14c594e/download http://repositorio.bc.ufg.br/tede/bitstreams/68bf41d2-e495-4486-8b57-5ed3b65c6b41/download http://repositorio.bc.ufg.br/tede/bitstreams/5ec55ecc-38d6-48cb-9f47-8290684ec676/download |
bitstream.checksum.fl_str_mv |
737cf9c0833f2c3f725f060ca2acc20c bd3efa91386c1718a7f26a329fdcb468 4afdbb8c545fd630ea7db775da747b2f d41d8cd98f00b204e9800998ecf8427e d41d8cd98f00b204e9800998ecf8427e |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 MD5 MD5 |
repository.name.fl_str_mv |
Repositório Institucional da UFG - Universidade Federal de Goiás (UFG) |
repository.mail.fl_str_mv |
tasesdissertacoes.bc@ufg.br |
_version_ |
1811721456558538752 |