Harmful Algal Information System: Event NO-17-048

General Information

Event name:	NO-17-048
Country:	NORWAY
Nature of the harmful event:	Seafood toxins
Event directly affected:	Shellfish
Toxicity detected:	Yes (Approximate range: PSP: 2906-641 痢 STX/kg, ASP: 117841 痢/kg)
Associated syndrome:	ASP , 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, HAB Area code(s): NO-06
Additional location information:
Bloom event dates (yyyy/mm/dd):	End: 2017-08-28
Quarantine levels dates (yyyy/mm/dd):	First detection: 2017-11-06,
Additional date-related information:	Closed for the season

Microalgae

Causative organism known:	No
Causative Species/Genus:
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:

Whole column

Growth:

Growth Comments

Additional Environmental information:

Toxin Assay Information

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Alexandrium spp.	Saxitoxins	STX	2906 痢 STX/kg	Bioassay-Other
Pseudo-nitzschia spp.	Domoic Acid	DA	117841 痢/	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. There has been two cases where poisonous mussels has been reported, but both times DSP.

Additional harmful effect information:

Created at 02:45 on 6 Nov 2017