General Information

Event name: CA-01-008
Country: CANADA
Nature of the harmful event:
High Phyto concentration , Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: Max:1577 µg/100g for Mont-Louis, 2721 ug/100g at Baie Comeau and 3730 ug/100g for the Bay of Gaspé.)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Monitoring program of Harmful algae of Department of fisheries and Ocean Canada at (MLI) and Canadia)
Event occurred before in this location: Yes
Individuals to contact: LEVASSEUR, Maurice

Location & Date

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Location: Latitude: , Longitude:
General location information: South coast St. Lawrence Estuary, Québec Region
HAB Area code(s): CA-07
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2001-06-03, End: 2001-08-07
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Detection of quarantine levels: 16/06/01 - 11/08/01


Causative organism known: Yes
Causative Species/Genus: Alexandrium tamarense (1,004,000 cells/L)
Alexandrium tamarense (300,850 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): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
In situ
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 02:47 on 26 Sep 2013