General Information

Event name: FR-92-015
Country: FRANCE
Nature of the harmful event:
Seafood toxins
Event directly affected:
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 (1985 (400 cell/L in Concarneau Bay); 1986 (Concarneau 15 300, Aven and Belon 11 400); 1987 (Concarneau 1100); 1988: (Concarneau 700, Aven and Belon 2 400); 1990: (Concarneau 6 400, Aven and Belon 7 600).)
Individuals to contact: NEZAN, Elizabeth

Location & Date

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Location: Latitude: , Longitude:
General location information: Concarneau Bay., SOUTHERN BRITTANY.
HAB Area code(s): FR-07
Additional location information: Concarneau Bay, Aven and Belon Rivers. Area 4.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: June - July.


Causative organism known: Yes
Causative Species/Genus: Dinophysis sacculus ( cells/L)
Dominant species.
Dinophysis spp. (11,600 cells/L)
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: 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: Advected
In situ
Growth Comments Probably both.
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information: DSP toxicity above safety levels.
Economic losses:
Management decision: Ban of shellfish marketing, from June 18 to August 7 (Concarneau), from June 16 to July 9 (Aven and Belon).
Additional harmful effect information:
Updated at 12:36 on 2 Dec 2019