General Information

Event name: AU-86-001
Nature of the harmful event:
Seafood toxins
Event directly affected:
Toxicity detected: Yes (Approximate range: 8350 g / 100g)
Associated syndrome: PSP
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (Tasmanian Shellfish Quality Assurance Program)
Event occurred before in this location: No
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: -43.026389, Longitude: 147.038333
General location information: Huon River, Tasmania
HAB Area code(s): AU-02
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1986-03-04, End: 1986-06-30
Quarantine levels dates (yyyy/mm/dd): First detection: 1986-03-04, End: 1986-06-30
Additional date-related information:


Causative organism known: Yes
Causative Species/Genus: Gymnodinium catenatum Graham 1943 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Hallegraeff et al. 1995 J. Plankton Research 17: 1163-1176

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
Gymnodinium catenatum Saxitoxins STX eq 8350 g/100g Bioassay-Mouse
Kit used: No Type of kit used:
Additional information:
Economic losses:
Management decision: Shellfish farms closures
Additional harmful effect information:
Created at 04:58 on 30 Jan 2017
Updated at 07:54 on 10 Feb 2017