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dc.contributor.authorGONÇALVES, D. A. M.
dc.contributor.authorPEREIRA, W. V. da S.
dc.contributor.authorJOHANNESSON, K. H.
dc.contributor.authorPEREZ, D. V.
dc.contributor.authorGUILHERME, L. R. G.
dc.contributor.authorFERNANDES, A. R.
dc.date.accessioned2022-05-27T15:21:10Z-
dc.date.available2022-05-27T15:21:10Z-
dc.date.created2022-05-27
dc.date.issued2022
dc.identifier.citationMinerals, v. 12, n. 6, 674, 2022.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1143516-
dc.descriptionThe objectives of this study were to establish geochemical background values of aluminum (Al), iron (Fe), arsenic (As), barium (Ba), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), lead (Pb), vanadium (V), and zinc (Zn) for eastern Amazon soils and to assess the relationship between soil chemical and granulometric attributes using univariate and multivariate procedures. Samples from the topsoil (0-0.2 m) were collected in several areas with minimal or no human intervention. Pseudo total concentrations of potentially toxic elements were extracted via acid digestion and quantified via inductively coupled plasma optical emission spectrometry (ICP-OES). The results revealed that the soils present high acidity, low levels of cations and organic carbon, and highly heterogeneous geomorphological characteristics. The elements Fe (9300 mg kg-1) and Al (8200 mg kg-1) showed the highest mean concentrations in the study, while As (0.8 mg kg-1) and Cd (0.1 mg kg-1) presented the lowest levels. The results of this study indicate that the 90th percentile can be used to formalize quality reference values for the State of Pará and that the 98th percentile can be considered for areas rich in mineral deposits.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectEastern Amazon
dc.subjectEnvironmental pollution
dc.subjectIndicadores ambientais
dc.titleGeochemical background for potentially toxic elements in forested soils of the state of Pará, Brazilian Amazon.
dc.typeArtigo de periódico
dc.subject.thesagroSolo
dc.subject.thesagroQualidade
dc.subject.thesagroPoluição Ambiental
dc.subject.nalthesaurusSoil quality
dc.subject.nalthesaurusEnvironmental indicators
riaa.ainfo.id1143516
riaa.ainfo.lastupdate2022-05-27
dc.identifier.doihttps://doi.org/10.3390/min12060674
dc.contributor.institutionDEYVISON ANDREY MEDRADO GONÇALVES, UFRA/AMAZON FOUNDATION FOR STUDIES AND RESEARCH; WENDEL VALTER DA SILVEIRA PEREIRA, UFRA; KAREN H. JOHANNESSON, UNIVERSITY OF MASSACHUSETTS BOSTON; DANIEL VIDAL PEREZ, CNPS; LUIZ ROBERTO GUIMARÃES GUILHERME, UFLA; ANTONIO RODRIGUES FERNANDES, UFRA.
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