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Zooplankton and fish accumulate chlorinated hydrocarbons from contaminated sediments
UNIV LUND, INST LIMNOL.ORCID iD: 0000-0003-0344-1939
1986 (English)In: Canadian Journal of Fisheries and Aquatic Sciences, ISSN 0706-652X, E-ISSN 1205-7533, Vol. 43, no 7, p. 1463-1466Article in journal (Refereed) Published
Abstract [en]

Polychlorinated biphenyls (PCBs) originating from the sediment were taken up by zooplankton and fish in artificial ponds in the field. PCB uptake in zooplankton was concentration dependent, as levels of the residues in water varied seasonally. Planktivorous fish accumulated the compounds to high levels at high summer concentrations of PCBs in the water, after which elimination was slow. Levels of PCBs in benthic fishes continuously increased during the 1.5-yr study. The results show that chlorinated hydrocarbons deposited in sediments are available to aquatic organisms. Decreasing levels of PCBs in daphnids in the autumn-winter of 1983 and in the summer of 1984 may be due to different generations of daphnids being exposed to different concentrations of PCBs in the water, thus establishing new partitionings. 

Place, publisher, year, edition, pages
1986. Vol. 43, no 7, p. 1463-1466
National Category
Ecology
Research subject
Natural Science, Aquatic Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-1278OAI: oai:DiVA.org:lnu-1278DiVA, id: diva2:308149
Available from: 2010-04-06 Created: 2010-04-06 Last updated: 2017-12-12Bibliographically approved

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Larsson, Per

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