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An Aquatic Surprise at BioBlitz 2012

Ecologist Evan Thomas of the University of Colorado looked for a decade for a green algae called Volvox.  At this year’s BioBlitz, surrounded by volunteers eager to catalog the water bugs of Lily Lake in Rocky Mountain National Park, he found it!  I asked Evan to explain his find.

Sandra Postel is director of the Global Water Policy Project and lead water expert for National Geographic’s Freshwater Initiative.