General Information

Event name: NO-13-010
Country: NORWAY
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 402 µg STX/kg)
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector): Mytilus edulis
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: Kleiven , Gustad|

Location & Date

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Location: Latitude: , Longitude:
General location information: Norwegian Sea North,
HAB Area code(s): NO-03
Additional location information: Salten (closed week 21-28), Valbergene (closed week 25-26), Møkland (closed week 24-30),Havbruksstasjonen Skulgamsbukt (closed week 29),Kjempebakken (closed week 27-30).
Bloom event dates (yyyy/mm/dd): Start: 2013-05-20, End: 2013-07-29
Quarantine levels dates (yyyy/mm/dd): First detection: 2013-05-20,
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (440 cells/L)
Møkland week 30
Alexandrium tamarense (640 cells/L)
Møkland week 25
Alexandrium tamarense (200 cells/L)
Valbergene week 25
Alexandrium spp. (200 cells/L)
Skulgamsbukt week 29
Alexandrium spp. (480 cells/L)
Salten week 27
Alexandrium tamarense (1400 cells/L)
Kjempebakken week 28
Alexandrium tamarense (480 cells/L)
Kjempebakken week 27
Alexandrium tamarense (1600 cells/L)
Kjempebakken week 28
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 400µg 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 10:47 on 28 Aug 2014
Updated at 09:51 on 13 Jan 2015
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