General Information

Event name: CA-91-002
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (Closures of shellfish harvesting areas due to unacceptable levels of PSP toxins are an annual occurrence in the Bay of Fundy.)
Individuals to contact: MARTIN, Jennifer

Location & Date

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Location: Latitude: , Longitude:
General location information: Northwestern Bay of Fundy., Scotia Fundy
HAB Area code(s): CA-22
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Shellfish harvesting areas were closed at various locations in the southwest between June and August.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium fundyense ( cells/L)
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: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 32 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 12 °C, Min: 8 °C
Salinity Range During Event:
Bloom location in the water column:
Growth: Advected
Growth Comments
Additional Environmental information: Water column: mixed inshore, stratified offshore.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information: Extractions were done at the Department of Fisheries and Oceans Inspection Laboratory in Black's Harbour, New Brunswick. Unacceptable levels of PSP toxins were detected in shellfish tissues.
Economic losses:
Management decision: Shellfish harvesting beds were closed to harvesting during the time when soft-shell clams had levels of PSP toxins above 80 g/100g. The Bay of Fundy in closed to harvesting of blue mussels throughout the year.
Additional harmful effect information:
Updated at 07:31 on 2 Apr 2014
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES