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General Information

Event name: CA-01-002
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: Yes
Individuals to contact: WHYTE, Ian

Location & Date

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Location: Latitude: , Longitude:
General location information: Upper Strait of Georgia, Pacific Region
HAB Area code(s): CA-38
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Bloom occurred for about two weeks in mid-April.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Chaetoceros concavicornis (172,000 cells/L)
Co-Ocurring Species/Genus: Chaetoceros convolutus (44,000 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity: 0
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 03:14 on 16 Feb 2018
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES