General Information

Event name: FR-90-008
Country: FRANCE
Nature of the harmful event:
Water Discoloration
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: Yes (Not since 1984.)
Individuals to contact: NEZAN, Elizabeth

Location & Date

Location: Latitude: , Longitude:
General location information: Aber Benoit, WESTERN NORMANDY - Northern Brittany.
HAB Area code(s):
Additional location information: Area 3.
Bloom event dates (yyyy/mm/dd): Start: 1990-06-01, End: 1990-06-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: June

Microalgae

Causative organism known: Yes
Causative Species/Genus: Chaetoceros socialis (x 1,000,00 cells/L)
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): 18 Oxygen saturation %: Current Direction:
Sechhi disk (m): 2 Salinity: 31 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: Continued surveillance.
Additional harmful effect information: Yellow- brown water
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES