General Information

Event name: FR-93-009
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 (1987, 1988, 1990.)
Individuals to contact: NEZAN, Elizabeth

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Elorn River (site 037)., Northern Brittany.
HAB Area code(s): FR-06
Additional location information: Area 3.
Bloom event dates (yyyy/mm/dd): Start: 1993-07-26, End: 1993-08-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Prorocentrum micans (70,000,000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: Up to 1008.2 mg/m≥ Chl™. 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): 1.4 - 42 Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 18 °C, Min: 17 °C
Salinity Range During Event: Max: 35, Min: 26
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: Type of kit used:
Additional information:
Economic losses:
Management decision: Continued surveillance.
Additional harmful effect information: Red water.
Updated at 02:09 on 3 Dec 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES