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Letter from Holly Waterfield

HAB Identified in Otsego Lake

A bloom of cyanobacteria (“blue-green algae”) was detected on Otsego Lake at the SUNY Oneonta Biological Field Station Boathouse (6 Mile Point, near Sunken Island) around 9:30 a.m. on July 10, reported by Paul Lord. It was later confirmed by Kiyoko Yokota to be composed of Microcystis aeruginosa, the same species as in the 2022 and 2023 cyanobacterial blooms or cHABs (cyanobacterial harmful algal blooms) in Otsego Lake. Samples have been collected for in-house microcystins (a type of toxins produced by cyanobacteria) testing at BFS, results will be available soon.






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