General Information

Event name: NO-06-014
Country: NORWAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: DSP:2644-157µg/kg, PSP:14025-403µg STX/kg, AZA:199-118µg/kg)
Associated syndrome: DSP , OTHER , PSP
Unexplained toxicity:
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: Norwegian Sea, North,
HAB Area code(s): NO-06
Additional location information: Bodų (DSP), Valbergene (PSP,DSP), Lųdingen (PSP,DSP,AZA), Steinland (PSP,DSP), Brunųya (DSP,PSP), Leirbukta, Halsvęrgrunnen (PSP,DSP), Kjempebakken (PSP,DSP).
Bloom event dates (yyyy/mm/dd): Start: 2006-06-18, End: 2006-12-24
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium spp. (4320 cells/L)
Steinland,W29
Co-Ocurring Species/Genus: Dinophysis acuminata (7000 cells/L)
Bodų,W27
Dinophysis acuta (1160 cells/L)
Steinland,W36
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:
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 2644µg/kg Bioassay-Other
mytilus edulis Saxitoxins STX eq 14025µg ST Bioassay-Other
mytilus edulis Azaspiracids AZA1 199µg/kg Bioassay-Other
Kit used: 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 08:42 on 13 Jan 2015
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