Harmful Algal Information System: Event CA-02-018

General Information

Event name:	CA-02-018
Country:	CANADA
Nature of the harmful event:
Event directly affected:
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	No
Event occurred before in this location:	Yes
Individuals to contact:	BONNEAU, Esther , SAUVÉ, Gilbert

Location & Date

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Location:	Latitude: , Longitude:
General location information:	various locations, Quebec Region HAB Area code(s): CA-07
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Between June and 28 October 2002.

Microalgae

Causative organism known:	Yes
Causative Species/Genus:	Alexandrium sp. ( cells/L) Alexandrium cf. Tamarense
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):	Water temperatu	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:

In situ

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:

Closure of these areas for shellfish harvesting.

Additional harmful effect information:

Maximum PSP levels: 325µg STX equ./100 g tissue at Baie-Comeau, 202 µg STX equ./100 g tissue for Sept-Îles, 2157 µg STX equ./100 g tissue at baie de Gaspé and for Mont-Louis, 200 µg STX equ./100 g tissue ( see Fig. 1).

Updated at 03:01 on 26 Sep 2013