General Information

Event name: SE-22-002
Country: SWEDEN
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 79-388)
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: 58.077778, Longitude: 11.564167
General location information: Stigfjorden yttre (area 167),
HAB Area code(s): SE-08
Additional location information: Halsefjorden (area 158)
Bloom event dates (yyyy/mm/dd): Event Date:2022-09-12
Start: 2022-08-29, End: 2022-12-06
Quarantine levels dates (yyyy/mm/dd): First detection: 2022-09-18, End: 2022-12-05
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Dinophysis acuta (323 cells/L)
Co-Ocurring Species/Genus: Dinophysis acuminata (1156 cells/L)
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: 19 °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 388 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 01:54 on 24 Feb 2023
Updated at 02:40 on 24 Feb 2023
IOC/UNESCO ISSHA
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