General Information

Event name: US-11-023
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities , Foam/Mucilage in the coast
Event directly affected:
Planktonic life , Natural Fish , Shellfish
Toxicity detected: No
Associated syndrome:
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (FWC/FWRI HAB Monitoring Program)
Event occurred before in this location: No
Individuals to contact: SCOTT, Paula

Location & Date

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Location: Latitude: , Longitude:
General location information: Indian River Lagoon System: Volusia, Brevard and Indian River counties,
HAB Area code(s): US-15
Additional location information: Lagoon system: 70 miles north to south; 13 miles west to east
Bloom event dates (yyyy/mm/dd): Event Date:2011-03-22
Start: 2011-03-22,
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information: ongoing through 2011


Causative organism known: Yes
Causative Species/Genus: Aureoumbra lagunensis ( cells/L)
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography:

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): Wind velocity:
Temperature (°C): 21.3 Oxygen saturation %: 7.4 Current Direction:
Sechhi disk (m): Salinity: 29.1 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 34.4 °C, Min: 14.7 °C
Salinity Range During Event: Max: 43.3, Min: 27.4
Bloom location in the water column: Whole column
Growth: Advected
In situ
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: no samples tested for toxins, as this is a non-toxic species
Economic losses: still under evaluation; losses of benthic life and seagrass beds; fish kills
Management decision:
Additional harmful effect information:
Updated at 03:35 on 26 Jun 2020
Checked at 04:42 on 15 Apr 2015