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General Information

Event name: US-12-018
Country: UNITED STATES
Nature of the harmful event:
 Water Discoloration , High Phyto concentration , Foam/Mucilage in the coast
Event directly affected:
 Planktonic life , Natural Fish , Other Terrestrial , 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,
HAB Area code(s): US-15
Additional location information: Lagoon system: 38 miles n to s; 10 miles w to e
Bloom event dates (yyyy/mm/dd): Event Date:2012-07-16
Start: 2012-07-16, End: 2012-10-03
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: Yes
Causative Species/Genus: Aureoumbra lagunensis (945,120,000 cells/L)
Co-Ocurring Species/Genus: Pedinomonas sp. (188,320,000 cells/L)
Chlorophyll concentration, if known: µg/l
Additional bloom information: http://myfwc.com/research/redtide/events/other/brown-tide/
Event-related bibliography: http://articles.orlandosentinel.com/2012-09-28/news/os-indian-river-plague-confirmed-20120928_1_brown-tide-christopher-gobler-indian-river-lagoon http://www.sjrwmd.com/irlupdate/ http://plankt.oxfordjournals.org/content/26/10/1229.full http://aem.asm.org/content/78/6/2025.full http://chloroplast.ocean.washington.edu/organisms/aureoumbra

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: No Oxygen content (nL/L): 6.5 Wind velocity:
Temperature (°C): 28.8 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 41.6 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 32 °C, Min: 18.8 °C
Salinity Range During Event: Max: 41.9, Min: 25.9
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: Type of kit used:
Additional information:
Economic losses: still under evaluation; losses of benthic life and seagrass beds; decline of shellfish resource; fish kills
Management decision:
Additional harmful effect information:
Created at 07:39 on 7 Apr 2014
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES