DOI: 10.1016/j.marpolbul.2015.08.012
Scopus记录号: 2-s2.0-84940055925
论文题名: Assessment of bioavailability and potential toxicity of Cu, Zn and Pb, a case study in Jurujuba Sound, Rio de Janeiro, Brazil
作者: Abuchacra P.F.F. ; Aguiar V.M.C. ; Abuchacra R.C. ; Baptista Neto J.A. ; Oliveira A.S.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2015
卷: 100, 期: 1 起始页码: 414
结束页码: 425
语种: 英语
英文关键词: Biogeochemical composition
; Guanabara Bay
; Organic matter
; Superficial sediments
; Trace elements fractionation
Scopus关键词: Biochemistry
; Biogeochemistry
; Biological materials
; Lead
; Organic compounds
; Sediments
; Toxicity
; Trace elements
; Biogeochemical
; Fractionation analysis
; Guanabara Bay
; Physico-chemicals
; Residual fraction
; Superficial sediments
; Zinc
; calcium carbonate
; copper
; dissolved oxygen
; iron
; lead
; manganese
; nitrogen
; organic matter
; zinc
; copper
; heavy metal
; lead
; water pollutant
; zinc
; bioavailability
; biogeochemistry
; chemical composition
; copper
; fractionation
; lead
; organic matter
; sediment pollution
; toxicity
; trace element
; zinc
; Article
; bioavailability
; biochemical composition
; Brazil
; case study
; fractionation
; geochemical analysis
; humic substance
; pH
; salinity
; sediment
; total organic carbon
; toxicity testing
; water temperature
; analysis
; chemistry
; environmental monitoring
; procedures
; water pollutant
; Brazil
; Guanabara Bay
; Jurujuba Sound
; Rio de Janeiro [Brazil]
; Brazil
; Chemical Fractionation
; Copper
; Environmental Monitoring
; Geologic Sediments
; Lead
; Metals, Heavy
; Water Pollutants, Chemical
; Zinc
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: Potential toxicity of sedimentary Cu, Zn and Pb were evaluated based on their fractionation at the inner part of Jurujuba, a small sound at the eastern margin of Guanabara Bay, Rio de Janeiro. Biogeochemical composition revealed an environment extremely enriched with anthropic organic matter and characterized as a detrital heterotrophic system. The fractionation analysis showed that Pb exhibited more affinity with the residual fraction followed by the amorphous Fe/Mn fraction. Cu and Zn were more expressive in the amorphous Fe/Mn fraction followed by the organic one and crystalline Fe/Mn fraction, respectively. According to Igeo index, sediments proved to be highly polluted by Zn and Cu and moderated polluted by Pb. Despite the actual contamination of Jurujuba sediments, the mobility of these elements seems to be limited since the most excessive concentrations were found in the less available fractions, depending on extreme physico-chemical variations to be released. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85887
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: Universidade Federal Fluminense, Instituto de Geociências, Departamento de Geologia e Geofísica Marinha, Avenida General Milton Tavares de Souza, s/n, Niterói, Rio de Janeiro, Brazil
Recommended Citation:
Abuchacra P.F.F.,Aguiar V.M.C.,Abuchacra R.C.,et al. Assessment of bioavailability and potential toxicity of Cu, Zn and Pb, a case study in Jurujuba Sound, Rio de Janeiro, Brazil[J]. Marine Pollution Bulletin,2015-01-01,100(1)