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Transport of PCBs from aquatic to terrestrial environments by emerging chironomids
Lund university.ORCID iD: 0000-0003-0344-1939
1984 (English)In: Environmental pollution, Vol. 34, no 3, p. 283-289Article in journal (Refereed) Published
Abstract [en]

The transport of PCBs from sediment to air by emerging chironomids (Chironomus plumosus-type) was studied in aquatic laboratory model systems. Uptake of PCBs from the sediment by chironomid larvae was directly related to the concentration of PCBs in the sediment. When the larvae metamorphosed to adults the PCB compounds were concentrated and transferred from the aquatic to the terrestrial environment. A minor part of the compounds was retained in the exuviae. In a field study, transport of PCBs by chironomids from the aquatic to the terrestrial environment was estimated at 20 μg PCBs m−2 year−1. The results suggest an additional way in which terrestrial predators that feed on emerging aquatic insects, whose larval stage is in contaminated sediment, are exposed to organochlorine residues. 

Place, publisher, year, edition, pages
1984. Vol. 34, no 3, p. 283-289
National Category
Ecology
Research subject
Ecology, Aquatic Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-1274DOI: 10.1016/0143-1471(84)90123-5OAI: oai:DiVA.org:lnu-1274DiVA, id: diva2:308145
Available from: 2010-04-06 Created: 2010-04-06 Last updated: 2017-01-04Bibliographically approved

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Larsson, Per

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