Harmful Algal Information System: Event CA-92-013

General Information

Event name:	CA-92-013
Country:	CANADA
Nature of the harmful event:	Seafood toxins
Event directly affected:
Toxicity detected:	Yes
Associated syndrome:
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme:	Yes
Event occurred before in this location:	Yes (Annually.)
Individuals to contact:	FORBES, J. Roderick

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):
Additional date-related information:	April - August.

Causative organism known:	Yes
Causative Species/Genus:	Alexandrium spp. ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known:	µg/l
Additional bloom information:	Causative species: Alexandrium spp.; possibly others.
Event-related bibliography:	duplicate record see also CA-92-012

Weather:	Generally normal summer conditions along the B.C. coast during periods of calm weather following wind events.	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

Salinity Range During Event:

Bloom location in the water column:

Growth:

Advected
In situ

Growth Comments

Both.

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:

Affected areas closed when PSP levels above regulatory limit, and for two weeks following reduction below limit.

Additional harmful effect information:

PSP contamination of bivalve shellfish. duplicate record for grid see CA-92-012

Updated at 07:05 on 27 Sep 2018