Here is an interesting article on red tide which had a recent bloom in the Big Bend region of the Gulf, see /?p=144423.

FWC, partners unlock some mysteries behind red tide in 5-year study

Last month, researchers at the Florida Fish and Wildlife Conservation Commission (FWC) published new findings on Florida’s red tide organism, Karenia brevis, in a special issue of the scientific journal Harmful Algae. This publication is the culmination of an unprecedented collaboration on red tide research in the Gulf of Mexico led by the FWC’s Fish and Wildlife Research Institute (FWRI) and funded by the National Oceanic and Atmospheric Administration (NOAA).
For more on this study, go to:

http://content.govdelivery.com/accounts/FLFFWCC/bulletins/dbfa20