Harmful Algal Information System: Event NO-07-012

General Information

Event name:	NO-07-012
Country:	NORWAY
Nature of the harmful event:
Event directly affected:	Shellfish
Toxicity detected:	Yes (Approximate range: DSP: 459-193痢/kg,PSP:1026-451痢 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, Mona Ring

Location:	Latitude: , Longitude:
General location information:	, HAB Area code(s): NO-01
Additional location information:	Alta, Kirby
Bloom event dates (yyyy/mm/dd):	Start: 2007-03-19, End: 2007-11-26
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	Yes
Causative Species/Genus:	Alexandrium spp. (700 cells/L) alta, w31
Co-Ocurring Species/Genus:	Dinophysis acuta (760 cells/L) alta, w 37
Chlorophyll concentration, if known:	µg/l
Additional bloom information:
Event-related bibliography:

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:

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Mytilus edulis	Saxitoxins	STX	1026痢 STX/kg	Bioassay-Mouse
mytilus edulis	Okadaic Acid	OA	549痢/kg	Bioassay-Mouse

Kit used:

Type of kit used:

Additional information:

Kirby, DSP: W17:Mouse bioassay. Mortality 2/2, W19: 3/3.

Economic losses:

Management decision:

Harvesting was locally banned. The public was warned against picking toxic mussels.

Additional harmful effect information:

Created at 11:09 on 22 Jan 2015