General Information

Event name: SE-18-001
Country: SWEDEN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: AZT max 250 µg/kg mussel meat, Mytilus edulis)
Associated syndrome: AZP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (National Monitoring of Biotoxins in bivalves and biotoxin producing algae)
Event occurred before in this location: No
Individuals to contact: KARLSON, Bengt , PERSSON, Malin

Location & Date

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Location: Latitude: , Longitude:
General location information: Noprthern part of Swedish Skagerrak coast, Skagerrak
HAB Area code(s): SE-08
Additional location information: Harvesting areas: Tjärnöarkipelagen, Lindöfjorden, Sannäsfjorden, Fjällbacka norra
Bloom event dates (yyyy/mm/dd): Event Date:2018-11-12
Start: 2018-11-12, End: 2018-11-19
Quarantine levels dates (yyyy/mm/dd): First detection: 2018-11-12, End: 2018-11-26
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Azadinium sp. (6540 cells/L)
Phytoplankton sample from Fjällbacka
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): 10.5 Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Crassostrea gigas Azaspiracids 160 µg/kg LC-MS
Mytilus edulis Azaspiracids 250 µg/kg LC-MS
Ostrea edulis Azaspiracids 170 µg/kg LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Closure of harvesting areas
Additional harmful effect information:
Created at 01:36 on 22 Jan 2019
Updated at 08:54 on 4 Apr 2019