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General Information

Event name: AU-12-002
Country: AUSTRALIA
Nature of the harmful event:
 Water Discoloration , High Phyto concentration
Event directly affected:
 Humans
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: Yes (1982)
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: -33.894167, Longitude: 151.278333
General location information: Sydney beaches, NSW
HAB Area code(s): AU-14
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2012-11-14, End: 2012-11-21
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Noctiluca scintillans (Macartney) Kofoid et Swezy 1921 (1 000 000 cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: MacLeod D. J., Hallegraeff G. M., Hosie G. H., & Richardson A; R., 2012. Climate-driven range exctension of the red-tide dinoflagellate Noctiluca scintillans into the Southern Ocean. Journal of Plankton Research 34 : 322-337.

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:
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: 13 Sydney Beach closures; impacts on tourism
Additional harmful effect information:
Created at 05:40 on 30 Jan 2017
Updated at 09:15 on 10 Feb 2017