General Information

Event name: NO-14-010
Country: NORWAY
Nature of the harmful event:
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 504-3741g STX/kg)
Associated syndrome: 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, South,
HAB Area code(s): NO-06
Additional location information: Sivertsvik: PSP: week 19(2096g STX/kg),week22(3741g STX/kg).Askerholmen:PSP:week 18(540g STX/kg),week 20(540g STX/kg),week 22(1397g STX/kg).
Bloom event dates (yyyy/mm/dd): Start: 2014-04-22, End: 2014-07-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (2840 cells/L)
Askerholmen: week 24: 1560 cells/L, week 26: 2840 cells/L, week 27: 1280 cells/L
Alexandrium tamarense ( cells/L)
Increasing week 17 and 18
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 3741g STX/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 09:53 on 16 Oct 2014
Updated at 09:35 on 13 Jan 2015
IOC/UNESCO ISSHA
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