Harmful Algal Information System: Event CA-11-015

General Information

Event name:	CA-11-015
Country:	CANADA
Nature of the harmful event:	Water Discoloration , High Phyto concentration
Event directly affected:
Toxicity detected:	No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes (Harmful Algae Monitoring Program)
Event occurred before in this location:	Yes
Individuals to contact:	HAIGH, Nicky

Location:	Latitude: 50.180000, Longitude: -125.150000
General location information:	Upper Strait of Georgia, Pacific Region HAB Area code(s): CA-38
Additional location information:	East Quadra Island; bloom was also seen at Raza Island; Conville Bay
Bloom event dates (yyyy/mm/dd):	Event Date:2011-06-22
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:	Bloom was seen the last two weeks of June, the last two weeks of July , and the last two weeks of August. The highest concentrations were seen in the first peak of Heterosigma.

Causative organism known:	Yes
Causative Species/Genus:	Heterosigma akashiwo (8 600 000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:	This bloom was closely associated with 11-01 in the southern Strait of Georgia
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: °C, Min: °C

Salinity Range During Event:

Bloom location in the water column:

Surface

Growth:

Growth Comments

Additional Environmental information:

Conville Bay, June 22 2011

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:

Updated at 04:44 on 19 Sep 2013