Harmful Algal Information System: Event CA-11-016

General Information

Event name:	CA-11-016
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: 49.770000, Longitude: -124.090000
General location information:	Lower Strait of Georgia, Pacific Region HAB Area code(s): CA-37
Additional location information:	Heterosigma bloom was first seen in Vanguard Bay, Jervis Inlet on June 13; it was seen in Departure Bay on June 21st
Bloom event dates (yyyy/mm/dd):	Event Date:2011-06-21
Quarantine levels dates (yyyy/mm/dd):	First detection: 2011-06-13,
Additional date-related information:	Bloom first seen June 13 in Jervis Inlet, and the first peak lasted 2-3 weeks. It later recurred through July in Departure Bay and in the Strait of Georgia.

Causative organism known:	Yes
Causative Species/Genus:	Heterosigma akashiwo (22 000 000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:	This bloom was closely associated with 11-02 in the northern Strait of Georgia.
Event-related bibliography:

Nutrient information:

Temperature Range During Event:

Max: 19@1m °C, Min: 12.2@8m °C

Salinity Range During Event:

Max: 26@8m, Min: 11@1m

Bloom location in the water column:

Surface

Growth:

Advected

Growth Comments

Additional Environmental 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:

Updated at 04:51 on 19 Sep 2013