General Information

Event name: CA-06-007
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 4,368ugSTXeq/100g)
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Canadian Food Inspection Agencey Biotoxin Monitoring Program)
Event occurred before in this location: Yes (Previous Closures: June 20, 2004 to July 22, 2004(GTN-2004-01), and June 29 to August 3, 2000m due to PSP toxins (GTN-2000-01).)
Individuals to contact: BATES, Stephen S. , GAUVIN, Jean

Location & Date

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Location: Latitude: , Longitude:
General location information: Miramichi Bay, Gulf Region
HAB Area code(s): CA-11
Additional location information: All of Miramichi Bay north to the southern half of the Baie des Chaleurs, New Brunswick;The following URL gives the detailed location and other specifics about the closure (GTN-2006-03):http:/
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2006-06-09, End: 2006-08-30
Additional date-related information:


Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Likely to be Alexandrium tamarense, but this species was not present in five samples collected on Jun27 and July14
Event-related bibliography: The following reference documents PSP toxins, for the first time, in the southern Gulf of St. Lawrence (including Miramichi Bay, New Brunswick) during 1988: Worms, J., N. Bouchard, R. Cormier, K.E> Pailey, and J.C. Smith. 1993. New occurrences of paralytic shellfish poisoning toxins in the southern Gulf os St. Lawrence, Canada, p. 353-358. In: T.J. Smayda and Y. Shimizu [ed.] Toxic phytoplankton blooms in the sea. Elsevier Science Publishers B.V., Amsterdam.

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:
Additional harmful effect information:
Updated at 08:34 on 5 Sep 2013