2006
DOI: 10.5123/s1981-81142006000100007
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Utilização dos critérios de avaliação ambiental de metais pesados nos sedimentos de fundo da plataforma continental do Amazonas

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Cited by 3 publications
(4 citation statements)
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“…The previous studies of metals in sediment, fish, crabs and human samples in the Amazon coast have corroborated this hypothesis (Santos and Faria 1993;Siqueira 2003;Vilhena et al 2003;Andrade and Patchineelam 1999;Lima et al 2006). However, the dilution effect of metals caused by the large amount of transported water and particulate matter, as well as the differences in physico-chemical parameters between the river and coastal areas, may play an important role in the observed differences in Hg.…”
Section: Resultssupporting
confidence: 66%
See 1 more Smart Citation
“…The previous studies of metals in sediment, fish, crabs and human samples in the Amazon coast have corroborated this hypothesis (Santos and Faria 1993;Siqueira 2003;Vilhena et al 2003;Andrade and Patchineelam 1999;Lima et al 2006). However, the dilution effect of metals caused by the large amount of transported water and particulate matter, as well as the differences in physico-chemical parameters between the river and coastal areas, may play an important role in the observed differences in Hg.…”
Section: Resultssupporting
confidence: 66%
“…Few studies have been conducted on the concentrations of metals in marine organisms from the northern coast of Brazil (Andrade and Patchineelam 1999;Lima et al 2006). Siqueira (2003) analyzed the concentrations of zinc, cobalt and nickel in sediment samples from the Amazon continental Shelf, and attributed the low concentrations to the natural presence of these elements in the studied region.…”
Section: Resultsmentioning
confidence: 99%
“…A descarga sólida do rio Amazonas gera importantes depósitos de sedimentos lamosos na Plataforma Continental Interna do Amazonas, o que gera um ambiente bastante distinto de outras áreas costeiras do planeta, com um imenso mosaico de sedimentos de fundo, variando do tipo arenoso ao lamoso rico em matéria orgânica. Estudos realizados por Pereira (2000); Siqueira e Braga (2000); Lima et al (2005Lima et al ( , 2006 e destacam a importância do MPS transportado pelos rios Amazonas e Pará, em direção a Plataforma Continental Interna, especialmente devido a sua capacidade de complexar aos sedimentos os metais, que à medida que passam pela zona estuarina em direção ao meio marinho, sofrem deposição sobre o sedimento de fundo oceânico. Dentre os metais distribuídos na PCA, este trabalho fez referência ao transporte e sedimentação do mercúrio (Hg).…”
Section: Introductionunclassified
“…É menor, entretanto, a quantidade de experimentos feitos em plataforma continental, relatando a ocorrência de metais pesados e outros componentes geoquímicos em sedimento. Alguns deles são os de Souza et al (2005); Lima et al (2006); Lacerda e Marins (2006); Souza (2007); Tavares (2008); e Aguiar Neto et. al.…”
Section: Introductionunclassified