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General Information

Event name: CA-06-003
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:
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: 50.329722, Longitude: -125.069722
General location information: Upper Strait of Georgia, Pacific Region
HAB Area code(s): CA-38
Additional location information: Church House, near Quadra Island
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2006-06-05,
Additional date-related information: Bloom lasted ~2 weeks; mortalities only occurred in first 1-2 days

Microalgae

Causative organism known: Yes
Causative Species/Genus: Chrysochromulina spp. (~2,000,000 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): 9.4mg/L@1m, 8.9mg/L@6m, 7.8mg/L@10m Wind velocity:
Temperature (°C): 13.4@1m,12.8@6m, 11.0@10m Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: slack
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
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Updated at 02:33 on 16 Feb 2018
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