General Information

Event name: DK-87-001
Country: DENMARK
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 40 - 200 g STXeq / 100 g mussel meat.)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: No
Individuals to contact: Marine Pollution Laboratory

Location & Date

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Location: Latitude: , Longitude:
General location information: Limfjorden., Northern Coast.
HAB Area code(s): DK-07
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1987-06-08, End: 1987-06-22
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gonyaulax tamarensis ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Gonyaulax tamarensis cells or cysts suspected. No Gonyaulax found in phytoplancton.
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
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
Mussel meat Saxitoxins STX eq 40-200 Bioassay-Mouse
Kit used: Type of kit used:
Additional information: Mouse bioassay and HPLC analyses.
Economic losses:
Management decision: Quarantine restrictions.
Additional harmful effect information:
Updated at 11:48 on 5 Mar 2018