General Information

Event name: AU-02-002
Nature of the harmful event:
Mass mortalities
Event directly affected:
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: Yes
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: No
Event occurred before in this location: Yes (1993, 1998, 2000 and 2001)
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: -42.313889, Longitude: 147.986111
General location information: Little Swanport, Tasmania
HAB Area code(s): AU-19
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2002-01-22, End: 2002-05-14
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Prorocentrum rathymum Loeblich III et al. 1979 (12 000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Pearce et al. 2005 Harmful Algae 4: 61-74

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:
Management decision:
Additional harmful effect information: 19-88% of shellfish spat mortality per tray
Created at 03:08 on 2 Feb 2017
Updated at 08:48 on 10 Feb 2017