General Information

Event name: US-09-002
Country: UNITED STATES
Nature of the harmful event:
Water Discoloration , High Phyto concentration , Mass mortalities
Event directly affected:
Natural Fish , Aquatic Mammals
Toxicity detected: No
Associated syndrome: NSP , Aerosolized toxins effects
Unexplained toxicity: No
Species implicated in toxin transmission (transvector):
Report the outcome of a monitoring programme: Yes (State of Florida Redtide Monitoring Program)
Event occurred before in this location: Yes (Occurred last year in this general location.)
Individuals to contact: TRUBY, Earnest W.

Location & Date

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Location: Latitude: , Longitude:
General location information: Southwest Florida, Gulf of Mexico
HAB Area code(s): US-16
Additional location information: 25.61610 to 27.33840 degree N and -81.47350 to -82.65965 W
Bloom event dates (yyyy/mm/dd):
Quarantine levels dates (yyyy/mm/dd): First detection: 2009-03-10,
Additional date-related information: continued into 2010 not specified end date

Microalgae

Causative organism known: Yes
Causative Species/Genus: Karenia brevis (20100000 cells/L)
Dinophyceae
Co-Ocurring Species/Genus: Karenia mikimotoi (25600 cells/L)
Dinophyceae
Chlorophyll concentration, if known: µg/l
Additional bloom information:
Event-related bibliography: Foley, A., Stacy, B. A., Schueller, P., Flewelling, L. J., Schroeder, B., Minch, K., Fauquier, D. A., Foote, J. J., Manire, C., Atwood, K. E., Granholm, A. A., Landsberg, J. H., 2019. Assessing Karenia brevis red tide as a mortality factor of sea turtles in Florida. Dis. Aquat. Org. 132, 109124.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): 7.1 Wind velocity:
Temperature (°C): 20.6 Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: 35.11 Current Velocity:
Nutrient information:
Temperature Range During Event: Max: 30.87 °C, Min: 16.5 °C
Salinity Range During Event: Max: 37.3, Min: 28.3
Bloom location in the water column: Whole column
Growth: Advected
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: No shellfish harvesting areas affected.
Management decision:
Additional harmful effect information:
Updated at 08:07 on 29 Jul 2020
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES