General Information

Event name: FR-93-008
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 (Iroise sea: 1986, 1989, 1990, 1992. Elorn and Aulne River: No Douranenez Bay: every year since 1983.)
Individuals to contact: BELIN, Catherine , NEZAN, Elizabeth

Location & Date

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Location: Latitude: , Longitude:
General location information: Iroise Sea, Elorn River, Aulne River and Doua, Northern Brittany.
HAB Area code(s): FR-06
Additional location information: Iroise Sea (site 036), Elorn River (site 037), Aulne River (site 038) and Douarnenez bay (site 039). Area 3.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: May to August.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis spp. ( cells/L)
Dinophysis sacculus ( cells/L)
Dominant.
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Dominant Dinophysis cf. 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:
Growth Comments No data available.
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: May 10 to September 2 (Iroise Sea); May 27 to July 23 (Elorn and Aulne Rivers) & May 5 to September 2 (Douarnenez Bay).
Additional harmful effect information: DSP toxicity above safety level.
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES