General Information

Event name: AU-01-003
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
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: -33.846389, Longitude: 151.235556
General location information: Sydney Harbour, NSW
HAB Area code(s): AU-14
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1890-03-31, End: 1890-05-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: The real event's date is 1890


Causative organism known: No
Causative Species/Genus: Scrippsiella trochoidea (Stein) Balech ex Loeblich III 1965 ( cells/L)
reported as Glenodinium rubrum
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Whitelegge 1891 Rec. Austr. Mus. 1: 179-192

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: Type of kit used:
Additional information:
Economic losses:
Management decision: public concern; newspaper reports
Additional harmful effect information: presumed oxygen depletion, wild oyster mortalities
Created at 02:32 on 2 Feb 2017
Updated at 03:57 on 6 Dec 2019