General Information

Event name: FR-20-012
Country: FRANCE
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: No
Associated syndrome: DSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (REPHY)
Event occurred before in this location:
Individuals to contact: Coastal Lab La Tremblade , LEMOINE Maud REPHY

Location & Date

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Location: Latitude: , Longitude:
General location information: Between Loire and Gironde,
HAB Area code(s): FR-09
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2020-05-11, End: 2020-07-05
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: 1,33 µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): 15,3 Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 17,7 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 31,8 Current Velocity:
Nutrient information: AMONIUM: 4
PHOSPHATE: 1,74
SILICATE: 125
NITRATE + NITRITE: 307
Temperature Range During Event: Max: °C, Min: °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
Mytilus edulis Okadaic Acid 2287g/kg LC-MS
Crassostrea gigas Okadaic Acid 310g/kg LC-MS
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish harvesting area closure
Additional harmful effect information:
Created at 03:00 on 23 Apr 2021
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES