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General Information

Event name: FR-89-022
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: No
Individuals to contact:

Location & Date

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Location: Latitude: , Longitude:
General location information: Lorient roadstead, SOUTHERN BRITTANY
HAB Area code(s): FR-07
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1989-05-19, End: 1989-06-16
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis spp. (1,900 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Several species including D. cf. acuminata and 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): 1.7 Salinity: 34.3 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 21 °C, Min: 15 °C
Salinity Range During Event:
Bloom location in the water column:
Growth:
Growth Comments
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
Additional harmful effect information: High toxicity DSP in mussels
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES