General Information

Event name: SE-22-001
Country: SWEDEN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 49-1952)
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Swedish monitoringprogram for live bivalve molluscs)
Event occurred before in this location: Yes
Individuals to contact: KARLSON, Bengt , PERSSON, Malin , RENBORG, Elin

Location & Date

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Location: Latitude: 58.894167, Longitude: 11.146667
General location information: Tjärnöarkipelagen (area 110),
HAB Area code(s): SE-08
Additional location information: Råssö-Resöfjorden (area 114), Lindöfjorden (area 116) Fölungarna (area 117)
Bloom event dates (yyyy/mm/dd): Event Date:2022-06-20
Start: 2022-06-12, End: 2022-11-14
Quarantine levels dates (yyyy/mm/dd): First detection: 2022-06-20, End: 2022-12-12
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Dinophysis acuta (1105 cells/L)
Co-Ocurring Species/Genus: Dinophysis acuminata (1819 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction: SW
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: 21 °C, Min: 8 °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 Okadaic Acid 1952 ug/kg LC-MS
magallana gigas Okadaic Acid 260 ug/kg LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: closure of harvesting areas
Additional harmful effect information:
Created at 01:31 on 24 Feb 2023
Updated at 02:37 on 24 Feb 2023
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES