General Information

Event name: CA-10-011
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 1300 ug STX equiv./100g)
Associated syndrome: PSP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location:
Individuals to contact: WHITE, John , MARTIN, Jennifer

Location & Date

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Location: Latitude: 44.549167, Longitude: -66.033056
General location information: Southwestern Bay of Fundy, Scotia Fundy Region
HAB Area code(s): CA-19
Additional location information: Centreville, Digby Neck Nova Scotia
Bloom event dates (yyyy/mm/dd): Event Date:2010-07-12
Quarantine levels dates (yyyy/mm/dd): First detection: 2010-06-01,
Additional date-related information: on June 1, 2010 -PSP level was 238 and on November 1,2010 PSP level was 155.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Alexandrium fundyense Balech 1985 ( 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: 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 1397 LC-MS
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish harvesting areas were closed when toxin values exceeded 80 ug/100g, notification and education through signage and media.
Additional harmful effect information:
Updated at 06:50 on 19 Sep 2013
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES