Friday, May 13, 2011

Red Tide update and other micro algae


East CoastKarenia brevis, the Florida red tide organism, was not detected in water samples collected this week inshore of St. Johns County or in the Indian River Lagoon (Brevard County).
 
Discolored water reported in the Indian and Banana Rivers this week (Brevard County) are from a bloom of the prasinophyte Nephroselmis species. No impacts have been reported.
 
 
Northwest Coast
Karenia brevis, the Florida red tide organism, was not detected in water samples collected this week in St. Joseph Bay (Gulf County), alongshore of Franklin and Dixie counties or offshore of Wakulla, Taylor, Dixie and Levy counties.
 
Discolored water reported offshore of Wakulla County is a bloom of the macroalgae Hincksia mitchelliae. No impacts have been reported.

 
Southwest Coast
Karenia brevis, the Florida red tide organism, was not detected in water samples collected this week alongshore of Pinellas, Hillsborough, Manatee, Lee and Collier counties or offshore of Pinellas, Manatee and Lee counties or the Florida Keys (Monroe County). One sample collected in the Sarasota Bay System (Sarasota County) and one sample collected in Gasparilla Sound (Charlotte County) contained background concentrations of K. brevis.
 
A large patch of discolored water has been reported ranging from approximately 5 to 15 miles offshore of Egmont Key (Manatee County).  Water samples and satellite imagery confirm a bloom of the cyanobacterium Trichodesmium erythraeum. No impacts have been reported.

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