General Information

Event name: FR-98-002
Country: FRANCE
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
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: Yes (PSP shellfish toxicity occurs annually in Morlaix Bay and rarely in the Abers-sites located in NW Brittany. In addition A. minutum has been observed during several years in many regions, especially along the Atlantic and Mediterranean coasts, but at low concentrations (below 5000 cells/L).)
Individuals to contact: AERSENAULT, Edmond

Location & Date

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Location: Latitude: , Longitude:
General location information: Rance estuary and Morlaix Bay, Northern Brittany.
HAB Area code(s): FR-02
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1998-02-10
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Northern Brittany has been the only region since 1998 where A. minutum has reached high concentrations.
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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: PSP toxins levels less than 800 g/100 g meat. Prior to 1996, A. minutum was not observed and PSP toxins were not detected at this location.