| Event name: | US-12-021 | |
| 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: 22.2 - 37.7 µg / 100 g shellfish) | |
| Associated syndrome: | NSP , Aerosolized toxins effects | |
| Unexplained toxicity: | ||
| 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: | Yes (Historically, Karenia brevis blooms occur in SW Florida shelf almost annually usually beginning in summer or fall.) | |
| Individuals to contact: | SCOTT, Paula | |
| Location: | Latitude: , Longitude: -83.471667 | |
| General location information: |
SW Florida, 4 HAB Area code(s): US-16 |
|
| Additional location information: | Gulf of Mexico: 230 miles n to s; 72 miles w to e (patchy movement alongshore throughout the fall, mostly lingering around Lee & Collier counties | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:2012-09-17 Start: 2012-09-17, End: 2013-05-01 |
|
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | 2011 bloom continued through 03/12/2012 | |
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Karenia brevis
(8,800,000 cells/L)
|
|
| Co-Ocurring Species/Genus: |
Skeletonema spp.
(26,129,300 cells/L)
|
|
| 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, 109–124. | |
|
||||||||||||||||||||||||||
| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: 30.5 °C, Min: 18 °C | |||||||||||||||||||||||||
| Salinity Range During Event: | Max: 40.0, Min: 22.3 | |||||||||||||||||||||||||
| Bloom location in the water column: | Whole column | |||||||||||||||||||||||||
| Growth: |
Advected
In situ |
|||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
|
||||||||||||
| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | manatee tissues as assayed by ELISA for PbTx | |||||||||||
| Economic losses: | unknown | |||||||||||
| Management decision: | shellfish harvesting closures until Karenia brevis cell counts fell below 5,000 cells/L and shellfish NSP toxins below 20 MU/100 g. | |||||||||||
| Additional harmful effect information: | Reports of respiratory irritation throughout affected bloom areas | |||||||||||
