Harmful Algal Information System: Event NO-03-019

General Information

Event name:	NO-03-019
Country:	NORWAY
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	No
Associated syndrome:	DSP , PSP , AZP
Unexplained toxicity:	Yes (DSP, PSP and AZA at Vadsų week 34)
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:	Barents Sea, HAB Area code(s): NO-02
Additional location information:	Alta, Vadsų
Bloom event dates (yyyy/mm/dd):	Start: 2003-07-07, End: 2003-11-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	Yes
Causative Species/Genus:	Dinophysis acuta (360 cells/L) Alta, w39 Dinophysis acuminata (2400 cells/L) Vadsų, W29 Alexandrium spp. (8240 cells/L) Alta, W30
Co-Ocurring Species/Genus:
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:

Surface
Subsurface

Growth:

Growth Comments

Sampling aprox 0-3 meters

Additional Environmental information:

Species containing the toxin	Toxin type	Toxin details	Max. concentration	Assay type
Mytilus edulis	Azaspiracids	AZA1	1432 µg /kg	Bioassay-Mouse
mytilus edulis	Okadaic Acid	OA	1261 µg/kg	Bioassay-Mouse
mytilus edulis	Saxitoxins	STX	180µg/kg	Bioassay-Mouse

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 10:01 on 12 Mar 2015