General Information

Event name: FR-87-007
Country: FRANCE
Nature of the harmful event:
Water Discoloration , Mass mortalities
Event directly affected:
Shellfish
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: LASSUS, Patrick

Location & Date

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Location: Latitude: , Longitude:
General location information: Elorn., Brest Bay.
HAB Area code(s): FR-06
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1987-08-21
Start: 1987-08-20, End: 1987-09-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Prorocentrum micans (620,000 - cells/L)
From 20 to 23 August.
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 %: 74 Current Direction:
Sechhi disk (m): 50 Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 21 °C, Min: 18 °C
Salinity Range During Event: Max: 35, Min: 28
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: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Updated at 10:40 on 3 Dec 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES