General Information

Event name: CA-18-010
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 1.1 ug/g DA)
Associated syndrome: ASP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (CFIA)
Event occurred before in this location:
Individuals to contact: McKENZIE, Cynthia

Location & Date

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Location: Latitude: , Longitude:
General location information: North Coast/St. Lawrence Estuary, Quebec
HAB Area code(s): CA-05
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2018-10-01
Quarantine levels dates (yyyy/mm/dd): First detection: 2018-10-01,
Additional date-related information: closure expanded Oct 11 2018


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): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
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: Precautionary closure QTN 18 049 Oct 1 2018; expanded QTN 18 055 Oct 11 2018; closure for Arctic Wedge Clam, Atlantic razor clam and Blue mussels
Additional harmful effect information:
Created at 05:29 on 26 Jun 2020