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Effects of the brominated flame retardant HBCDD on the structure of natural brackish water plankton communities
Halmstad University, School of Business and Engineering (SET).
2004 (English)In: Proc. SETAC conference in Prague, 2004, Setac-Press , 2004, p. 1-Conference paper, Published paper (Other academic)
Abstract [en]

Hexabromocyclododecane (HBCDD) is a brominated flame retardant which is a prioritised substance within the Programme of Existing Substances in the EU. A recent extensive study in Sweden reported traces of the substance in all analysed media both in the environment and in biota. There are no studies, prior to this, on the effect of the compound on brackish water ecosystems. In this study, the ecotoxicity of the compound was investigated in brackish water microcosms (10 l) with natural plankton communities. The communities emerged from sediment and water collected in Öresund. 7 days after the composition of the test-systems they were exposed to the nominal concentrations 50, 100 and 400 μg/l of HBCDD. The zooplankton community was dominated by calanoid copepods and pelagic and semi-benthic rotifers. The direct toxicity of HBCDD resulted in a significant decrease in the abundance of crustacean zooplankton in all tested concentrations, whereas the rotifers were unaffected by the exposure. The total phytoplankton abundance (here including ciliates) increased for all concentrations of HBCDD, probably due to decreased grazing by zooplankton. In total, 7 species of phytoplankton were affected. We conclude from this study that HBCDD has the potential to induce profound changes in thecomposition of natural plankton communities at low (ppb) concentrations.

Place, publisher, year, edition, pages
Setac-Press , 2004. p. 1-
Keywords [en]
Brominated flame retardants, phytoplankton communities
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:hh:diva-558Local ID: 2082/899OAI: oai:DiVA.org:hh-558DiVA, id: diva2:237737
Conference
14th Annual Meeting of SETAC Europe, Prague, 18 - 22 April, 2004
Available from: 2007-03-12 Created: 2007-03-12 Last updated: 2018-03-23Bibliographically approved

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Woin, Per

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf