General Information

Event name: NO-06-010
Country: NORWAY
Nature of the harmful event:
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 171-1010g/kg)
Associated syndrome:
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: ,
HAB Area code(s): NO-03
Additional location information: Hjeltefjorden, Varaneset,W23/28/32/36:171/171/244/217g/kg, Kaland,W26/30/32/34/38/42/46/50:410/335/244/477/1010/695/295/387g/kg, Nateneset,W28/32/36/44:403/379/225/237g/kg,Torheim,W33/37/41/45:267/956/435/302g/kg.
Bloom event dates (yyyy/mm/dd): Start: 2006-06-04, End: 2006-12-24
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (4320 cells/L)
Varaneset,W24
Co-Ocurring Species/Genus: Dinophysis acuta (4240 cells/L)
Kaland,W36
Dinophysis norvegica (12720 cells/L)
Varaneset,W23
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 1010g/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 12:47 on 13 Jan 2015
Updated at 12:53 on 13 Jan 2015
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