General Information

Event name: FR-93-027
Country: FRANCE
Nature of the harmful event:
Mass mortalities
Event directly affected:
Toxicity detected: No
Associated syndrome:
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: SCHWEIBOLD Laura

Location & Date

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Location: Latitude: , Longitude:
General location information: Diana Pond (site 114) in Corsica., Eastern Mediterranean Sea.
HAB Area code(s): FR-16
Additional location information: Area 8.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: September and October.


Causative organism known: Yes
Causative Species/Genus: Gymnodinium sp. (2,720,000 cells/L)
very close to Gymnodinium cf. nagasakiense.
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: 25 °C, Min: 19 °C
Salinity Range During Event: Max: 37, Min: 36
Bloom location in the water column:
In situ
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: Reinforced surveillance.
Additional harmful effect information:
Updated at 02:22 on 3 Dec 2019