General Information

Event name: CA-05-002
Country: CANADA
Nature of the harmful event:
High Phyto concentration , Mass mortalities
Event directly affected:
Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Harmful Algae Monitoring Program)
Event occurred before in this location: No
Individuals to contact: HAIGH, Nicky

Location & Date

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Location: Latitude: 50.469722, Longitude: -127.879722
General location information: Upper West coast Vancouver Island, Pacific Region
HAB Area code(s): CA-35
Additional location information: Quatsino Sound; Bloom affected three farm sites
Bloom event dates (yyyy/mm/dd): Start: 2005-06-22, End: 2005-06-24
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Mortalities from bloom June 22-24


Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Causative species thought to be pymnesiophyte species: two small flagellated species in concentrations ~2,000,000/L dominant during mortality event - no other known harmful species present
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 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:
Updated at 02:55 on 16 Feb 2018