General Information

Event name: NO-05-010
Country: NORWAY
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: PSP and DSP in the area)
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

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Location: Latitude: , Longitude:
General location information: north sea, north,
HAB Area code(s): NO-06
Additional location information: Bergen (W41-45), Gulen (38-39), Sognefjorden (40-45)
Bloom event dates (yyyy/mm/dd): Start: 2005-09-19, End: 2005-11-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuta (520 cells/L)
Sognefjorden week 43
Co-Ocurring Species/Genus: Alexandrium spp. (200 cells/L)
Gulen, w 38
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:
Surface
Subsurface
Growth:
Growth Comments Sampling aprox 0-3 meters
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Okadaic Acid OA posetive Bioassay-Mouse
mytilus edulis Saxitoxins STX posetive 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 09:44 on 16 Mar 2015
Updated at 09:45 on 16 Mar 2015
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