Harmful Algal Information System: Event US-01-024

General Information

Event name:	US-01-024
Country:	UNITED STATES
Nature of the harmful event:	Water Discoloration , High Phyto concentration , Seafood toxins , Mass mortalities
Event directly affected:	Natural Fish , Birds , Aquatic Mammals , Humans
Toxicity detected:	Yes (Approximate range: (Approximate range: 33.4 μg/L BREVETOXINS))
Associated syndrome:	Aerosolized toxins effects , NSP
Unexplained toxicity:	No
Species implicated in toxin transmission (transvector):	Crassostrea virginica, the Eastern Oyster.
Report the outcome of a monitoring programme:	Yes (State of Florida HAB program and federal ECOHAB: Florida program.)
Event occurred before in this location:	Yes (Go to www.floridamarine.org)
Individuals to contact:	STEIDINGER, Karen A.

Location:	Latitude: , Longitude:
General location information:	East coast of Florida, 15 HAB Area code(s): US-15
Additional location information:	Offshore and inshore Gulf of Mexico from Panama City Beach to the Florida Keys up to Martin County on the east coast. This red tide of 2001 was first detected off SW Florida offshore of Johns Pass (27.7267 and -82.9767) and Sarasota (27.1335 and -82.9812)
Bloom event dates (yyyy/mm/dd):	Event Date:2001-11-19
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Causative organism known:	Yes
Causative Species/Genus:	Karenia brevis (105,000,000 cells/L)
Co-Ocurring Species/Genus:
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.