General Information

Event name: CA-02-018
Country: CANADA
Nature of the harmful event:
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes
Individuals to contact: BONNEAU, Esther , SAUV, Gilbert

Location & Date

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Location: Latitude: , Longitude:
General location information: various locations, Quebec Region
HAB Area code(s): CA-07
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Between June and 28 October 2002.


Causative organism known: Yes
Causative Species/Genus: Alexandrium sp. ( cells/L)
Alexandrium cf. Tamarense
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): Water temperatu 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: Closure of these areas for shellfish harvesting.
Additional harmful effect information: Maximum PSP levels: 325g STX equ./100 g tissue at Baie-Comeau, 202 g STX equ./100 g tissue for Sept-les, 2157 g STX equ./100 g tissue at baie de Gasp and for Mont-Louis, 200 g STX equ./100 g tissue ( see Fig. 1).
Updated at 03:01 on 26 Sep 2013