General Information

Event name: CA-91-011
Country: CANADA
Nature of the harmful event:
High Phyto concentration
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes
Event occurred before in this location: Yes (At this time of year: 1990, 1989, 1988, 1986 and presumably sporadically in previous years.)
Individuals to contact: FORBES, J. Roderick

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: Sunshine coast, Campbell River/Desolation Sound, Saltspring Island, Departure Bay, Burrard Inlet.
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Mid June - late September.

Microalgae

Causative organism known: Yes
Causative Species/Genus: Heterosigma akashiwo ( 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: 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: Advected
In situ
Growth Comments Most likely combination of in situ growth and advection from central Strait of Georgia.
Additional Environmental information: No data.

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: None.
Additional harmful effect information:
Updated at 07:03 on 25 Sep 2013
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES