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Deposit-feeders acc...
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Karlson, Agnes M. L.Stockholms universitet,Systemekologiska institutionen,Stockholm University, Department of Systems Ecology
(författare)
Deposit-feeders accumulate the cyanobacterial toxin nodularin
- Artikel/kapitelEngelska2011
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Elsevier,2011
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:kth-72278
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-72278URI
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https://doi.org/10.1016/j.hal.2011.09.003DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-74041URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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QC 20120207
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authorCount :2
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Blooms of toxic cyanobacteria may potentially affect food web productivity and even be a human health hazard. In the Baltic Sea, regularly occurring summer blooms of nitrogen-fixing cyanobacteria are often dominated by Nodularia spumigena, which produces the potent hepatotoxin nodularin. Evidence of sedimentation of these blooms indicates that benthic fauna can be exposed to nodularin. In a one month experiment, we simulated the settling of a summer bloom dominated by N. spumigena in sediment microcosms with three species of sediment-dwelling, deposit-feeding macrofauna, the amphipods Monoporeia affinis and Pontoporeia femorata and the bivalve Macoma balthica, and analyzed nodularin in the animals by HPLC-ESI-MS (high-performance liquid chromatography-electrospray ionization-mass spectrometry). We found nodularin in quantities of 50-120ngg-1 DW. The results show that deposit-feeding macrofauna in the Baltic Sea may contribute to trophic transfer of nodularin.
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Mozuraitis, Raimondas,1963-KTH,Organisk kemi,Ecological Chemistry(Swepub:su)rmozu
(författare)
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Stockholms universitetSystemekologiska institutionen
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Harmful Algae: Elsevier12, s. 77-811568-98831878-1470
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