General Information

Event name: CA-07-007
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 640ug/100g)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Phytoplankton monitoring in the western Fundy Isles in the Bay of Fundy)
Event occurred before in this location: Yes (PSP detected annually since 1943)
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:
Bloom event dates (yyyy/mm/dd): Event Date:2007-07-24
Quarantine levels dates (yyyy/mm/dd): First detection: 2007-05-07, End: 2007-08-27
Additional date-related information: cells observed on May 1, 2007 until August 21, 2007


Causative organism known: Yes
Causative Species/Genus: Alexandrium fundyense (503 438 cells/L)
Co-Ocurring Species/Genus: Scrippsiella trochoidea (63 000 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction: SE
Stratified water: No Oxygen content (nL/L): 7.24 Wind velocity: calm
Temperature (°C): 13.0 Oxygen saturation %: 115.55 Current Direction:
Sechhi disk (m): 4.5 Salinity: 31.35 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 14.9 °C, Min: 4.5 °C
Salinity Range During Event: Max: 31.75, Min: 28.26
Bloom location in the water column: Whole column
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Mya arenaria Saxitoxins 640ugSTXeq/100g Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish harvesting areas closed when toxin values exceeded 80 ug/100g; education/notification
Additional harmful effect information:
Updated at 06:52 on 19 Sep 2013