General Information

Event name: CA-02-010
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: WHYTE, Ian

Location & Date

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Location: Latitude: 50.182778, Longitude: -125.125000
General location information: Upper Strait of Georgia, Pacific Region
HAB Area code(s): CA-38
Additional location information: Hoskyn Channel. Bloom appeared fairly widespread from the east side of Quadra Island to Toba Inlet
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: bloom lasted most of October

Microalgae

Causative organism known: Yes
Causative Species/Genus: Chaetoceros concavicornis (60,000 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): 4.2 - 5.3 Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 30 all dep Current Velocity: 0
Nutrient information:
Temperature Range During Event: Max: 11 °C, Min: 9 °C
Salinity Range During Event: Max: 30, Min: 28
Bloom location in the water column: Whole column
Growth:
In situ
Growth Comments Appears to have been in situ growth
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: Mechanically harmful species
Updated at 03:05 on 16 Feb 2018