General Information

Event name: NO-06-002
Country: NORWAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 181-309 µg/kg)
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector): Mytilus edulis
Report the outcome of a monitoring programme: Yes (Norwegian Food Safety Autority monitoring program)
Event occurred before in this location:
Individuals to contact: Kleiven

Location & Date

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Location: Latitude: , Longitude:
General location information: Skagerrak, Hvaler, Arendal, Søgne
HAB Area code(s): NO-11
Additional location information: Hvaler,W26:296µg/kg,W28:181µg/kg,Arendal,W32:309µg/kg,Søgne,W26:194µg/kg
Bloom event dates (yyyy/mm/dd): Start: 2006-06-11, End: 2006-09-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Høkliholmen, Flødevigen,Kalholmen


Causative organism known: Yes
Causative Species/Genus: Dinophysis acuta (2240 cells/L)
Co-Ocurring Species/Genus: Dinophysis acuminata (4560 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Okadaic Acid OA 309 µg/kg Bioassay-Mouse
Okadaic Acid OA Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Harvesting was locally banned. The public was warned against picking toxic mussels.
Additional harmful effect information:
Created at 08:53 on 13 Jan 2015
Updated at 09:59 on 13 Jan 2015