General Information

Event name: NO-06-009
Country: NORWAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 1827-623g STX/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

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: ,
HAB Area code(s): NO-03
Additional location information: PSP:Hellesgrova,W16/19:1827/640g STX/kg,Nateneset,W19:665g STX/kg,Volda,W18:623g STX/kg.DSP: Nateneset,W19:191g/kg
Bloom event dates (yyyy/mm/dd): Start: 2006-04-02, End: 2006-06-11
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium spp. (320 cells/L)
Varaneset,W14
Alexandrium tamarense (320 cells/L)
Nateneset,W17
Alexandrium spp. (880 cells/L)
Kaland,W14
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 1827g STX/kg Bioassay-Other
mytilus edulis Okadaic Acid OA 191g/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 12:39 on 13 Jan 2015
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES