General Information

Event name: CA-04-040
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 0.25ug/g)
Associated syndrome: DSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Monitoring Program of Toxic and Harmful Algae)
Event occurred before in this location: Yes (Presence of DSP toxins in Gulf of St. Lawrence since 1998)
Individuals to contact: BONNEAU, Esther , SAUVÉ, Gilbert , STARR, Michel

Location & Date

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Location: Latitude: 51.024722, Longitude: -58.585556
General location information: North coast Mecantina Trough, Quebec Region
HAB Area code(s): CA-01
Additional location information: 200 km vicinity of Tete-a-la-Baleine, natural mussel havesting area
Bloom event dates (yyyy/mm/dd): Event Date:2004-09-12
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Dinophysis acuminata (500 cells/L)
2004-08-15
Co-Ocurring Species/Genus: Dinophysis norvegica ( cells/L)
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:
In situ
Growth Comments
Additional Environmental information:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 07:15 on 22 Jul 2013
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES