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Observations of Toxic Blue-Green Algae (Cyanobacteria) in Some Scandinavian Lakes
- Published:
Funn av giftige blågrønnalger i endel skandinaviske innsjøer
- Kjetil Berg1,2,3,
- Olav M.
Skulberg1,2,3,
- Randi Skulberg1,2,3,
- Bjarne Underdal1,2,3 &
- …
- Torbjørn Willén1,2,3
Acta Veterinaria Scandinavicavolume 27, pages – ()Cite this article
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Abstract
Blooms of blue-green algae from 51 eutrophic Scandinavian lakes were investigated during the period –, to ascertain the occurrence of toxinogenic species.
Toxicity assays were performed by intraperitoneal injection of suspensions of freeze-dried algal material in mice.
Toxin-producing blue-green algae were found in 30 lakes. They belonged to 11 different species of the six genera Anabaena, Aphanizomenon, Gomphosphaeria, Microcystis, Nodularia and Oscillatoria.
The presence of toxinogenic strains of blue-green algae seemed quite constant in several of the lo