Harmful Algal Information System: Event CA-22-009

General Information

Event name:	CA-22-009
Country:	CANADA
Nature of the harmful event:	Seafood toxins
Event directly affected:	Shellfish
Toxicity detected:	No
Associated syndrome:	ASP
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes (CFIA)
Event occurred before in this location:	Yes
Individuals to contact:	McKENZIE, Cynthia

Location & Date

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Location:	Latitude: 51.933333, Longitude: -55.783333
General location information:	Northwest Bay Northern Peninsula, Newfoundland HAB Area code(s): CA-26
Additional location information:	Southwest Bay, Northern Penn. Middle Arm White Bay, Fleur de Lys Harbour, Ariege Bay, Chimney Bay
Bloom event dates (yyyy/mm/dd):	Event Date:2022-03-11
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Precautionary closure of multiple locations

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 closures. Targeted closures replace broader closures in 2001 revokes NTN 2001-003, Closure orders NTN-2022-005, 006, 008, 009, 010, 011.

Additional harmful effect information:

Created at 04:52 on 3 May 2023