General Information

Event name: AU-04-001
Nature of the harmful event:
Mass mortalities , Other ( Aquaculture fish)
Event directly affected:
Aquaculture Fish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity:
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: No
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: -43.097500, Longitude: 147.730556
General location information: Nubeena, Tasmania
HAB Area code(s): AU-05
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2003-05-01, End: 2003-05-25
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Karenia umbella de Salas et al. 2004 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: De Salas et al. 2004 Phycologia 43: 166-175

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 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: No Type of kit used:
Additional information:
Economic losses: 4M AUD lost
Management decision: towing away of cages of aquacultured salmon
Additional harmful effect information:
Created at 05:50 on 31 Jan 2017
Updated at 08:30 on 10 Feb 2017