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Uptake of sediment released PCBs by the eel, Anguilla anguilla, in static model systems
Dept of Limnology, Univ. of Lund.ORCID iD: 0000-0003-0344-1939
1984 (English)In: Ecological bulletins, ISSN 0346-6868, Vol. 36, p. 62-67Article in journal (Refereed) Published
Abstract [en]

PCBs (Clophen A 50) were added to sediment (1 ^tg g-1 fw) of 60-1 aquaria thatcontained sediment, water, benthic macroinvertebrates and eels. To compare uptakeof PCBs in eels that fed on macroinvertebrates in the sediment to eels that wereseparated from the sediment, the bottom of some systems were screened off with anet.In all systems, except the control, PCBs were transported from the sediment to thewater so that a concentration of 0.1-0.7 n-gl-1 was obtained. The transport wasdependent on benthic macroinvertebrates and was related to the transfer of particlesacross the sediment/water interface.PCBs in eels that were separated from the sediment ranged from 2.5 to 8.9 ug g"1 fwafter 77 d. In eels that were allowed to feed in the sediment the concentration was7.2-14.1 M-gg-1The results show that PCBs were released from sediment to the water, and weretaken up by the eels directly from the water presumably as a result of water/fatpartitioning processes in the fishes. 

Place, publisher, year, edition, pages
1984. Vol. 36, p. 62-67
National Category
Ecology
Research subject
Natural Science, Aquatic Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-1273OAI: oai:DiVA.org:lnu-1273DiVA, id: diva2:308144
Available from: 2010-04-06 Created: 2010-04-06 Last updated: 2016-11-09Bibliographically approved

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Larsson, Per

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