General Information

Event name: CA-87-001
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Annually in summer since 1984.)
Individuals to contact: CEMBELLA, Allan , LAROCQUE, Richard

Location & Date

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Location: Latitude: , Longitude:
General location information: South coast St. Lawrence Estuary, Quebec Region
HAB Area code(s): CA-07
Additional location information: Terranova
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: June-September.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Protogonyaulax tamarensis (400,000 cells/L)
determined by vertical net tows and pump profiles
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): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 11 °C, Min: 4 °C
Salinity Range During Event: Max: 29, Min: 26
Bloom location in the water column:
Growth: Advected
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: Affected areas closed to harvesting of shellfish.
Additional harmful effect information: PSP in shellfish.
Updated at 08:49 on 25 Sep 2013
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES