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General Information

Event name: AU-96-002
Country: AUSTRALIA
Nature of the harmful event:
 Mass mortalities
Event directly affected:
 Natural Fish
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: 151.236111
General location information: Sydney Harbour, NSW
HAB Area code(s): AU-14
Additional location information:
Bloom event dates (yyyy/mm/dd): Start: 1996-12-01, End: 1996-12-30
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus: Heterosigma sp. ( cells/L)
resembling Haramonas
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Hallegraeff 2015 Aquaculturists' guide to Harmful australian marine microalgae. 3rd edition

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: public warnings; press release
Additional harmful effect information:
Created at 03:37 on 2 Feb 2017
Updated at 07:03 on 10 Feb 2017
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES