General Information

Event name: CA-14-002
Country: CANADA
Nature of the harmful event:
High Phyto concentration , Mass mortalities
Event directly affected:
Aquaculture Fish
Toxicity detected: No
Associated syndrome: OTHER
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: No
Individuals to contact: HAIGH, Nicky

Location & Date

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Location: Latitude: , Longitude:
General location information: Knight Inlet, West Coast Canada
HAB Area code(s): CA-38
Additional location information:
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2014-05-24,
Additional date-related information: last ~ 2 weeks, affected most of Knight Inlet


Causative organism known: No
Causative Species/Genus: Chrysochromulina sp. (16000000 cells/L)
provisional ID C.ericina and perhaps other Chrysochromulina species
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: farmed salmon mortalities seen mostly at one farm site, although three were affected
Event-related bibliography:

Environmental Conditions

Weather: sunny Turbidity (NTU): Wind direction:
Stratified water: Yes Oxygen content (nL/L): 12.1 @ 0 m; 11.1 @ 5m; 10.0 @ 10 m Wind velocity:
Temperature (°C): 11.4 @ 0m; 10.9 @ 5m; 9.3 @ 10 m Oxygen saturation %: 132 @ 0 m; 120 @ 5 m; 102 @ 10 m Current Direction:
Sechhi disk (m): 2.0 Salinity: 15 @ 0m; 24 @ 5m; 27 @ 10 m Current Velocity:
Nutrient information:
Temperature Range During Event: Max: °C, Min: °C
Salinity Range During Event:
Bloom location in the water column:
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:
Created at 08:38 on 8 Apr 2015
Updated at 03:33 on 16 Feb 2018