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Speciation of metals in contaminated sediments from Oskarshamn Harbor, Oskarshamn, Sweden
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. Sveriges Lantbruksuniversitet, Uppsala.
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science. (ESEG)ORCID iD: 0000-0002-3565-9943
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.ORCID iD: 0000-0002-1903-760X
2014 (English)In: Environmental science and pollution research international, ISSN 0944-1344, E-ISSN 1614-7499, Vol. 21, no 4, p. 2455-2464Article in journal (Refereed) Published
Abstract [en]

Bottom sediments in coastal regions have been considered the ultimate sink for a number of contaminants, e. g., toxic metals. In this current study, speciation of metals in contaminated sediments of Oskarshamn harbor in the southeast of Sweden was performed in order to evaluate metal contents and their potential mobility and bioavailability. Sediment speciation was carried out by the sequential extraction BCR procedure for As, Cd, Cr, Cu, Hg, Ni, Pb, and Zn and the exchangeable (F1), reducible (F2), oxidizable (F3), and residual (R) fractions were determined. The results have shown that Zn and Cd were highly associated with the exchangeable fraction (F1) with 42-58 % and 43-46 %, respectively, of their total concentrations in the mobile phase. The assessment of sediment contamination on the basis of quality guidelines established by the Swedish Environmental Protection Agency (SEPA) and the Italian Ministry of Environment (Venice protocol for dredged sediments) has shown that sediments from Oskarshamn harbor are highly contaminated with toxic metals, especially Cu, Cd, Pb, Hg, As, and Zn posing potential ecological risks. Therefore, it is of crucial importance the implementation of adequate strategies to tackle contaminated sediments in coastal regions all over the world.

Place, publisher, year, edition, pages
2014. Vol. 21, no 4, p. 2455-2464
Keywords [en]
Dredging, Sediments, Harbor, Speciation, Sequential extraction, Metals
National Category
Environmental Engineering
Research subject
Natural Science, Environmental Science
Identifiers
URN: urn:nbn:se:lnu:diva-33349DOI: 10.1007/s11356-013-2173-0ISI: 000331815100005Scopus ID: 2-s2.0-84893547842OAI: oai:DiVA.org:lnu-33349DiVA, id: diva2:708245
Available from: 2014-03-27 Created: 2014-03-27 Last updated: 2017-12-05Bibliographically approved

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Fathollahzadeh, HomayounKaczala, FabioBhatnagar, AmitHogland, William

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