General Information

Event name: CA-09-001
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 4120ugSTX equ/100g)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Phytoplankton and toxin monitoring)
Event occurred before in this location: Yes (PSP has been detected annually since 1943 in the Fundy region but in 2009 some areas experienced an increase in PSP values as much as four times the highest value in 50 yrs.(Bar Road))
Individuals to contact: MARTIN, Jennifer

Location & Date

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Location: Latitude: , Longitude:
General location information: Northwestern Bay of Fundy, Scotia Fundy Region
HAB Area code(s): CA-22
Additional location information: Brandy Cove
Bloom event dates (yyyy/mm/dd): Event Date:2009-06-30
Quarantine levels dates (yyyy/mm/dd): First detection: 2009-06-15,
Additional date-related information: Some areas still quarantined December 2009; cells first observed on April 6,2009 with the highest density of cells on June 30, 2009. A second, smaller bloom observed in late August 2009


Causative organism known: Yes
Causative Species/Genus: Alexandrium fundyense (279174 cells/L)
June 30, 2009
Co-Ocurring Species/Genus: Heterocapsa triquetra (116 756 cells/L)
June 30, 2009
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Foggy Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 6.212@1m Wind velocity: Calm
Temperature (°C): 15 Oxygen saturation %: 97.89@1m Current Direction:
Sechhi disk (m): 2 Salinity: 23.07@1m Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 15 °C, Min: 5 °C
Salinity Range During Event: Max: 30.17, Min: 22.44
Bloom location in the water column: Whole column
Growth: Advected
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mya arenaria Saxitoxins STX eq 4120ug/100g Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish harvesting areas were closed when toxin values exceeded 80ug/100g, notification and education through signage and media.
Additional harmful effect information:
Updated at 06:51 on 19 Sep 2013