General Information

Event name: CA-13-010
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 1600 ug saxitoxin equiv./100 g)
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Canadian Food Inspection Agency)
Event occurred before in this location: Yes
Individuals to contact: WHITE, John

Location & Date

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Location: Latitude: , Longitude:
General location information: Patricia Bay, Lower Strait of Georgia, BC
HAB Area code(s): CA-37
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2013-07-02
Quarantine levels dates (yyyy/mm/dd): First detection: 2013-06-24, End: 2013-07-30
Additional date-related information: second quarantine occurred at the same location from 2013-09-23 (130 ug/100g)to 2013-10-15 (<80 ug/100g)

Microalgae

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:
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mytilus edulis Saxitoxins STX eq 1600 ug/100g LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 02:38 on 31 Mar 2014
Updated at 07:05 on 2 Apr 2014
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES