Contact: John Cramer
Caption: The recent appearance of the freshwater algae known as "rock snot" on river bottoms worldwide is caused by a native species responding to changing environmental conditions rather than by accidental introductions by fishermen or the emergence of a new genetic strain as widely believed, a Dartmouth College-led study suggests.
Credit: Credit Brad Taylor
Usage Restrictions: Credit Brad Taylor
Related news release: Native algae species to blame for 'rock snot' blooms in rivers worldwide