Harmful Algal Information System: Event CA-93-001

General Information

Event name:	CA-93-001
Country:	CANADA
Nature of the harmful event:	Seafood toxins
Event directly affected:	Shellfish
Toxicity detected:	Yes
Associated syndrome:	PSP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes
Event occurred before in this location:	No
Individuals to contact:	Youssef, André

Location & Date

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Location:	Latitude: , Longitude:
General location information:	various locations in BC, Pacific Region HAB Area code(s): CA-38
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
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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:	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

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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:

About 60% to 70% of the British Columbia coastline remains closed for shellfish harvesting due to chronic PSP intoxications. PSP in other areas was also at normal levels. There was no record of domoic acid intoxication although Pseudo-nitzschia was detect

Updated at 02:16 on 26 Sep 2013