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General Information

Event name: AU-24-007
Country: AUSTRALIA
Nature of the harmful event:
 High Phyto concentration , 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: Yes
Individuals to contact: Hallegraeff Gustaaf

Location & Date

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Location: Latitude: , Longitude:
General location information: Menindee, Darling River, New South Wales
HAB Area code(s): AU-16
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:2024-12-16
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: green water (suspected cyanobacteria)
Event-related bibliography: Australian Broad Castion Cooperation ABC media

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): oxygen depletion Wind velocity:
Temperature (°C): 30-47oC 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: 20 million fish died previously in March 2024 from oxygen depletion

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:
Additional harmful effect information:
Created at 06:50 on 22 Jan 2025
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