General Information

Event name: CA-05-080
Country: CANADA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Shellfish
Toxicity detected: Yes (Approximate range: 0.11ugYTX/g)
Associated syndrome:
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: No
Individuals to contact: BONNEAU, Esther , SAUVÉ, Gilbert , STARR, Michel

Location & Date

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Location: Latitude: 48.115556, Longitude: -65.781667
General location information: Gaspe, Quebec Region
HAB Area code(s): CA-09
Additional location information: Q-11; 100km vicinity of Carleton (Baie des Chaleurs). Natural mussel harvesting area.
Bloom event dates (yyyy/mm/dd): Event Date:2005-10-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Gonyaulax spinifera (20 cells/L)
2005-06-12
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): 10.0 Oxygen saturation %: Current Direction:
Sechhi disk (m): 4.5 Salinity: 25.5% Current Velocity:
Nutrient information: NITRATE: 7.6
PHOSPHATE: 0.6
SILICATE: 19.0
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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision: no closures
Additional harmful effect information: found in Mytilus edulis
Updated at 02:13 on 27 Sep 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES