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Saint Johns River conditions: manatees declining locally, microcystis detected at low toxin levels
Summary
Jacksonville University scientist reported lower manatee counts in August, normal-to-lower salinities after rainfall, and presence of Microcystis blooms with generally low toxin production in the Jacksonville area.
Dr. Jerry Pinto of Jacksonville University reported to the Jacksonville Waterways Commission on Sept. 10 that local manatee sightings and movement are declining as the season changes and that water-quality metrics are generally within expected ranges.
Dr. Pinto said “things are starting to calm down a little bit on the manatee front” and that, as fall begins, “most of the manatees are moving out of the area.” He reported that aerial surveys in August observed 15 manatees in the area.
On water quality, Pinto said…
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