General Information

Event name: CA-21-004
Country: CANADA
Nature of the harmful event:
Water Discoloration , High Phyto concentration
Event directly affected:
Natural Fish , Humans
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (CFIA)
Event occurred before in this location: No
Individuals to contact: McKENZIE, Cynthia

Location & Date

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Location: Latitude: , Longitude:
General location information: Shubenacadie River Grand Lake watershed, Nova Scotia
HAB Area code(s): CA-20
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2021-06-10
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus:
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): 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:
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: Precautionary closure of all commercial, recreational and FSC harvesting MTN-2021-005
Additional harmful effect information:
Created at 05:47 on 21 Apr 2023
Updated at 06:32 on 21 Apr 2023
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES