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General Information

Event name: CA-00-004
Country: CANADA
Nature of the harmful event:
 Seafood toxins
Event directly affected:
 Shellfish
Toxicity detected: Yes (Approximate range: 68-95 µg STXeq / 100g)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: MARTIN, Jennifer

Location & Date

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Location: Latitude: 44.649444, Longitude: -66.716667
General location information: Northwest Bay of Fundy., Scotia Fundy
HAB Area code(s): CA-22
Additional location information: The bloom generall is widespread and cells can be detected throughout much of the Bay of Fundy.
Bloom event dates (yyyy/mm/dd): End: 2000-07-28
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Detection date: 01/05/00

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium fundyense (2,400 cells/L)
This number was observed in Passamaquoddy Bay - May 23rd
Co-Ocurring Species/Genus: Alexandrium ostenfeldii (200 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: Highest concentrations of cells were observed in Passamaquoddy Bay on May 23rd. Fluorescence peak - 10.84 at 6 m.
Event-related bibliography:

Environmental Conditions

Weather: Gale force winds prior to May 23. Turbidity (NTU): 5.2 Wind direction: ESE
Stratified water: No Oxygen content (nL/L): Wind velocity: 12
Temperature (°C): 9.0 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 29.87 Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
Surface
Growth:
In situ
Growth Comments
Additional Environmental information: Wind velocity: 12 mph.

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mya arenaria Saxitoxins STX eq 95 Bioassay-Rat
Kit used: Type of kit used:
Additional information:
Economic losses: Delay in harvesting.
Management decision: Close shellfish areas to harvesting.
Additional harmful effect information:
Updated at 02:37 on 26 Sep 2013