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canvas prints algae mats canvas prints algal bloom canvas prints algal blooms canvas prints blue-green algae canvas prints climate change canvas prints cyanobacteria canvas prints ecological disaster canvas prints ecology canvas prints environmental disaster canvas prints environmental hazard canvas prints eutrophication canvas prints florida canvas prints lake okeechobee canvas prints prokaryotic canvas prints toxic canvas prints

photographs algae mats photos algal bloom photos algal blooms photos blue-green algae photos climate change photos cyanobacteria photos ecological disaster photos ecology photos environmental disaster photos environmental hazard photos eutrophication photos florida photos lake okeechobee photos prokaryotic photos toxic photos

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Full image close-up view of cyanobacteria, blue-green algae, showing the many different patterns and varied colors that this agae can produce. Cyanobacteria is one of the oldest living organisms on earth and dates back 3.5 billion years. Exposure to this toxic algae can sicken humans, kill pets and aquatic life. It is known to form tumors in humans and is a suspected factor in liver cancer in humans. This bloom covers more than 90% of Lake Okeechobee, a 730 square mile lake in central Florida. As the water remains still, patterns like this grow to large sizes. It is caused by heavy rains and the mixing of phosphorus and nitrogen fertilizers that collect in the Lake and surrounding runoff areas.