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Respiratory irritation suspected to be related to red tide was reported over the past week in Sarasota County.Ĭall 86 o hear a recording about red tide conditions throughout the state. No reports of fish kills suspected to be related to red tide were received over the past week. brevis was observed at background concentrations offshore of Manatee County, background to high concentrations in and offshore of Sarasota County, very low concentrations in Charlotte County, and background concentrations offshore of Lee County. In Southwest Florida over the past week, K. Health advisories were issued due to the presence the red tide organism, Karenia brevis, for Venice Beach, Brohard Beach, and Caspersen Beach in Venice, the Venice Fishing Pier, Service Club Park, and Nokomis and North Jetty beaches on Casey Key. Testing water samples found red tide in 25 samples in Southwest Florida, most in the waters along the popular beaches in mid-Sarasota County.

Now, on the heels of Hurricane Ian last month, it's happening again. Several peer-reviewed studies led by Florida universities published this year have proven what has long been suspected: streams and river carry fertilizers full of nitrogen and phosphorus, and nutrient pollution from leaky septic tanks, into the Gulf of Mexico that have been proven to make red tides that are stronger and last stronger than if mankind didn’t “feed” the blooms.Īnd red tides have followed many hurricanes in recent years. SARASOTA – There is circumstantial evidence that hurricane can cause red tide blooms, or feed small concentrations of the organism that cause red tide that normally wouldn’t develop into a full bloom but does because of the nutrients flushed from the coast by tropical storm rains, flooding, and winds.Ĭurrently, scientists from Mote Marine Laboratory in Sarasota and the Sanibel-Captiva Conservation Foundation are at sea on a mission to prove the phenomena scientifically.