Freshwater HABs
A cyanobacterial bloom in Lake Erie, just north of Kelley’s Island, September 4, 2009. The boats are cutting trails through the algae. This photo was taken from a plane at 2,500 feet. (Thomas Archer)
A bloom of cyanobacteria in Lake Erie, August 19, 2011. (Thomas Archer)
This image shows a dead fish as a result of a bloom of cyanobacteria, Lake Erie, August 19, 2011. (Thomas Archer)
A cyanobacterial bloom in Lake Erie - August, 19, 2011 (Thomas Archer)
Toxic microcystis (Photo credit unknown)
Lyngbya (Photo credit unknown)
(Photo credit unknown)
A Cochlodinium bloom in the York River, Virginia. (S. Shumway)
A freshwater red tide in the Italian Alps, species unknown. (Photo credit unknown)
Some algal blooms are non-toxic but aesthetically unpleasant or noxious. (Photo credit unknown)
A Rhizosolenia bloom in the Hood Canal, Washington. (R. Horner)
CyanoHAB scum along shoreline on Lake of the Woods, Canada. (H. Kling)
A Microcystis bloom in Norway. (W. Carmichael)
A cow killed by Cyanobacteria (W. Carmichael)
An Anabaena bloom. (W. Carmichael)
Bluish algal mats in Lost Creek, Oregon. (U.S. Army Corps of Engineers)
A Microcystis bloom in Larison Cove, Willamette Natinoal Forest. (U.S. Forest Service)
A bloom of Anabaena at Daly Lake in the Mount Hood National Forest. (U.S. Forest Service)
Anabaena planktonica in Siltcoos Lake (S. Hager)