General Information

Event name: CA-13-024
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: domoic acid levels caused molluscan shellfish closure)
Associated syndrome: ASP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (CFIA)
Event occurred before in this location: Yes
Individuals to contact: McKENZIE, Cynthia

Location & Date

[View larger map]
Location: Latitude: , Longitude:
General location information: Newfoundland Region, Griquet Harbour, Northwest Bay, Northern Pen.
HAB Area code(s): CA-26
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2013-08-06
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: closed 6Aug2013, reopened 27Aug2013


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: closure for molluscan shellfish (3 weeks) Closure NTN 2013 001 revoke 2013 002
Additional harmful effect information:
Created at 06:44 on 26 Feb 2018
Updated at 06:03 on 21 Sep 2018