| Event name: | US-03-009 | |
| Country: | UNITED STATES | |
|
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Seafood toxins , Mass mortalities , Other ( Human respiratory irritation) | |
|
Event directly affected: |
Natural Fish , Shellfish , Aquatic Mammals , Humans | |
| Toxicity detected: | Yes (Approximate range: 22.2 - 145 MU brevetoxin.) | |
| Associated syndrome: | NSP , Aerosolized toxins effects | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | Toxic epifauna on leaves of seagrasses which could be transmitted to aquatic animals feeding on seagrass. | |
| Report the outcome of a monitoring programme: | Yes (State of Florida Redtide Monitoring Program) | |
| Event occurred before in this location: | Yes (almost annually between Pinellas and Lee Counties, 29 of last 30 years.) | |
| Individuals to contact: | TRUBY, Earnest W. , HEIL, Cynthia A. | |
| Location: | Latitude: 24.683056, Longitude: -81.189167 | |
| General location information: |
Florida Gulf Coast, Gulf of Mexico. HAB Area code(s): US-16 |
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| Additional location information: | ||
| Bloom event dates (yyyy/mm/dd): | Start: 2003-01-02, End: 2003-11-20 | |
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | Started in 2002 and continued into 2004 in this area. It would decline and then re-establish bloom populations. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Karenia brevis
(9,610,000 cells/L)
|
|
| Co-Ocurring Species/Genus: |
Karenia sp.
(2,230,000 cells/L)
Karenia |
|
| Chlorophyll concentration, if known: | 0.401 - 10.33 µg/L Chlª. 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, 109–124. | |
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 36 °C, Min: 10 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 40, Min: 17 | |||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: | Advected | |||||||||||||||||||||||||
| Growth Comments | Classically the redtide starts off central Florida. | |||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: | Type of kit used: | |||||||||||
| Additional information: | ||||||||||||
| Economic losses: | Closed shellfish beds, no estimate of loss. | |||||||||||
| Management decision: | followed Biotoxin Control Plan-closed shellfish harvesting areas affected; opened when <20 MU. | |||||||||||
| Additional harmful effect information: | ||||||||||||
