While algal blooms are common ... You can’t determine whether the cyanobacteria has produced a toxin by looking at a photo, she said. NASA says that out of more than 130 algal species, three ...

These swirls are blue-green algae, or cyanobacteria.” The photo was captured Oct. 8 by the Landsat 9 satellite, the agency said. “The lake experiences similar blooms almost every year.

Even under the ice, cyanobacteria have been blooming in Partridge Lake. The water body located in Littleton and Lyman has suffered from frequent bouts of the photosynthetic bacteria, which feed ...