General Information

Event name: NO-14-012
Country: NORWAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: PSP:3818-5476 µg STX/kg,DSP:246µg/kg)
Associated syndrome: DSP , 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, Mona Ring

Location & Date

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Location: Latitude: , Longitude:
General location information: Norwegian Sea, south, Cap Clara, Romsdal
HAB Area code(s): NO-06
Additional location information: PSP:week18(3818µg STX/kg),week22(5476µg STX/). DSP:week 22(246µg/kg).
Bloom event dates (yyyy/mm/dd): Start: 2014-04-22, End: 2014-06-23
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: PSP:week18(3818µg STX/kg),week22(5476µg STX/)

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium sp. (1400 cells/L)
Dinophysis acuminata (2440 cells/L)
Co-Ocurring Species/Genus:
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 Saxitoxins STX eq 5476µg STX/kg Not Available
mytilus edulis Okadaic Acid OA 246µg/kg Not Available
Kit used: Type of kit used:
Additional information:
Economic losses: Mussel plants were banned from harvesting.
Management decision: Harvesting was stopped and the public was warned
Additional harmful effect information:
Created at 10:16 on 16 Oct 2014
Updated at 09:33 on 13 Jan 2015
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES