General Information

Event name: CA-08-078
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 110 ugSTXeq per 100g)
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: Langlet, Michael

Location & Date

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Location: Latitude: 49.600000, Longitude:
General location information: Queen Charlotte Islands, Pacific Region
HAB Area code(s): CA-41
Additional location information: Graham Island
Bloom event dates (yyyy/mm/dd): Event Date:2008-07-22
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: levels were below 44ug per 100g on July 15, 2008 and down to 58ug per 100g on July 27, 2008


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
Siliqua patula Saxitoxins STX eq 110 ug per 100g Bioassay-Mouse
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Updated at 04:22 on 26 Sep 2013