| Event name: | US-11-025 | |
| Country: | UNITED STATES | |
|
Nature of the harmful event: |
Water Discoloration , High Phyto concentration , Seafood toxins , Mass mortalities | |
|
Event directly affected: |
Natural Fish , Birds , Shellfish , Aquatic Mammals | |
| Toxicity detected: | Yes (Approximate range: 33.3 µg/100 g shellfish) | |
| Associated syndrome: | NSP , Aerosolized toxins effects | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | Shellfish | |
| Report the outcome of a monitoring programme: | Yes (Fish and Wildlife Research Institute HAB Monitoring Program: Event Response) | |
| Event occurred before in this location: | Yes (Historically Karenia brevis blooms occur in SW Florida Shelf (Gulf of Mexico) almost annually; usually beginning in the summer or fall) | |
| Individuals to contact: | SCOTT, Paula | |
| Location: | Latitude: , Longitude: | |
| General location information: |
SW Florida (Sarasota, Charlotte, Lee, Collier & Monroe counties), West Florida HAB Area code(s): US-16 |
|
| Additional location information: | Gulf of Mexico: 201 miles N to S; 35 miles W to E (patchy movement alongshore throughout the fall, mostly lingering around Lee and Collier counties) | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2011-09-26 Start: 2011-09-26, |
|
| Quarantine levels dates (yyyy/mm/dd): | First detection: 2011-09-26, | |
| Additional date-related information: | event ongoing through 2011. | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Karenia brevis
(30,448,000 cells/L)
|
|
| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | 35 µg/l | |
| Additional bloom information: | coccolithophorid co-occuring - 1,616,000 cells / L | |
| 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: 30.6 °C, Min: 16 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 38, Min: 17.2 | |||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: |
Advected
In situ |
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| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | ||||||||||||
| Economic losses: | unknown | |||||||||||
| Management decision: | Shellfish harvesting area closures until Karenia brevis cell counts fell below 5,000 cells/L and shellfish NSP fell below 20 MU/100 grams | |||||||||||
| Additional harmful effect information: | ||||||||||||
