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  • Quadra, Gabrielle R.Stockholms universitet,Institutionen för miljövetenskap och analytisk kemi,Universidade Federal de Juiz de Fora, Brazil (author)

Environmental Risk of Metal Contamination in Sediments of Tropical Reservoirs

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • 2019-06-26
  • Springer Science and Business Media LLC,2019
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:su-171700
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-171700URI
  • https://doi.org/10.1007/s00128-019-02668-0DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Reservoir sediment can work as both sink and source for contaminants. Once released into the water column, contaminants can be toxic to biota and humans. We investigate potential ecological risk to benthic organisms by metals contamination in six reservoirs in Southeast Brazil. Results of the bioavailable fraction of copper (Cu), chromium (Cr), cadmium (Cd), lead (Pb), zinc (Zn), and iron (Fe) in sediment samples are presented. Considering Cu, Cd, and Zn concentrations, about 6% of the samples exceeded the threshold effect levels of sediment quality guidelines. The comparison to sediment quality guidelines is conservative because we used a moderate metal extraction. Control of contaminant sources in these reservoirs is key because they are sources of water and food. The mixture toxicity assessment showed an increased incidence of toxicity to aquatic organisms showing that mixture toxicity should be taken into account in sediment assessment criteria.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Lino, Adan (author)
  • Sobek, AnnaStockholms universitet,Institutionen för miljövetenskap och analytisk kemi(Swepub:su)subek (author)
  • Malm, Olaf (author)
  • Barros, Nathan (author)
  • Guida, Yago (author)
  • Thomaz, Jose (author)
  • Mendonca, Raquel (author)
  • Cardoso, Simone (author)
  • Estrada, Carlos (author)
  • Rust, Felipe (author)
  • Roland, Fabio (author)
  • Stockholms universitetInstitutionen för miljövetenskap och analytisk kemi (creator_code:org_t)

Related titles

  • In:Bulletin of Environmental Contamination and Toxicology: Springer Science and Business Media LLC103:2, s. 292-3010007-48611432-0800

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