Karl Flessa is Professor Emeritus of Geosciences at the University of Arizona. He has been studying the conservation biology of the Colorado River’s delta since 1992, and is a founding member of the Colorado River Research Group. Since the delta “pulse flow” of 2014, he has been managing the binational science team that monitors the biological and hydrologic effects of restoration flows.
Karl Flessa
Professor Emeritus
Department of Geosciences
