General Information

Event name: FR-90-010
Country: FRANCE
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (1983, 1984 (16,00 cells/L))
Individuals to contact:

Location & Date

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Location: Latitude: , Longitude:
General location information: Sein island and Douarnenez Bay, Northern Brittany.
HAB Area code(s): FR-06
Additional location information: Area 3.
Bloom event dates (yyyy/mm/dd): Start: 1990-08-15, End: 1990-09-15
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Mid August- mid September

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis spp. (1,100 cells/L)
Dinophysis sacculus ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: including D. Sacculus.
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:
In situ
Growth Comments Probably
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Ban of shellfish marketing, from August 10 to August 24 (Sein Island), and to September 20 (Douarnenez Bay)
Additional harmful effect information: DSP toxicity above safety level (maximum recorded toxicity: high)
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES