General Information

Event name: NO-13-008
Country: NORWAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 1712µg STX/kg)
Associated syndrome: 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 , Gustad|

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Norwegian Sea, South,
HAB Area code(s): NO-06
Additional location information: Hegreholmen, Ålesund
Bloom event dates (yyyy/mm/dd): Start: 2013-06-03, End: 2013-07-15
Quarantine levels dates (yyyy/mm/dd): First detection: 2013-06-17,
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium sp. (520 cells/L)
Week 23
Alexandrium sp. (240 cells/L)
Week 24
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 eq 1712µg STX/kg Bioassay-Other
Kit used: Type of kit used:
Additional information:
Economic losses: Mussel plants were banned from harvesting.
Management decision: Harvesting was stopped and the public was warned
Additional harmful effect information:
Created at 02:56 on 27 Aug 2014
Updated at 09:52 on 13 Jan 2015