General Information

Event name: CA-05-035
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 0.02ug/g)
Associated syndrome:
Unexplained toxicity: Yes (Because, there is no observation of a species that looks like Karenia sp. (Landsberg 2002))
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Monitoring Program of Toxic and Harmful Algae)
Event occurred before in this location: No
Individuals to contact: BONNEAU, Esther , STATER, Gail , STARR, Michel

Location & Date

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Location: Latitude: 51.024167, Longitude: -58.586667
General location information: North coast Macantina Trough, Quebec Region
HAB Area code(s): CA-01
Additional location information: Q-6;200km vicinity of Tete-a-la-Baleine; natural mussel harvesting area
Bloom event dates (yyyy/mm/dd): Event Date:2005-06-26
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: also occurred on 2005-07-10


Causative organism known: No
Causative Species/Genus:
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: Oxygen content (nL/L): Wind velocity:
Temperature (°C): 11 Oxygen saturation %: Current Direction:
Sechhi disk (m): 4 Salinity: 30.8 Current Velocity:
Nutrient information: NITRATE: 0.4
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Growth Comments
Additional Environmental information: Values given are for 2005-06-26

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: found in Placopecten magellanicus
Updated at 12:46 on 26 Apr 2018