General Information

Event name: AU-01-002
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Freshwater
Event directly affected:
Other Terrestrial
Toxicity detected: No
Associated syndrome: Cyanobacterial toxins effects
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: -35.440556, Longitude: 139.148056
General location information: Lake Alexandrina, South Australia
HAB Area code(s): AU-06
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1878-12-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: Real event year is 1878


Causative organism known: Yes
Causative Species/Genus: Nodularia spumigena Mertens in Jungers 1822 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Francis G., 1878.Poisonous Australian Lake. Nature 18: 11-12

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
Nodularia spumigena Nodularins Nodularin Bioassay-Other
Kit used: Type of kit used:
Additional information:
Economic losses:
Management decision:
Additional harmful effect information:
Created at 03:35 on 31 Jan 2017
Updated at 03:58 on 6 Dec 2019