General Information

Event name: AU-04-002
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 (1980)
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: -31.937500, Longitude: 115.753056
General location information: Perth beaches, Western Australia
HAB Area code(s): AU-08
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 2004-12-01, End: 2004-12-31
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Trichodesmium erythraeum (Ehrenberg) Gomont 1892 ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Hosja & Deeley, 1994. Waterways Commission Report n43.

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: Several beach closures
Additional harmful effect information:
Created at 05:00 on 9 Feb 2017
Updated at 08:29 on 10 Feb 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES