General Information

Event name: CA-16-013
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 94-140 ug STXdiHCL eq/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: McKENZIE, Cynthia

Location & Date

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Location: Latitude: , Longitude:
General location information: Grief Bay, British Columbia, Mainland/Interior Region
HAB Area code(s): CA-39
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2016-05-10
Quarantine levels dates (yyyy/mm/dd): End: 2016-11-29
Additional date-related information: Range of dates with toxins above threshold


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
Clam, geoduck Saxitoxins STX eq 140 STXdiHCL eq Other
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information: Dates included were first and last recorded samples with toxins above threshold of 80 ug STXdiHCL eq/100g
Created at 06:52 on 19 Apr 2017
Updated at 07:27 on 19 Apr 2017