PARENT SESSION Monday, August 7, 1:00-2:30 pm SS 7 - Passengers versus drivers of ecosystem change: current debate on Tamarix and riparian invasion Ballroom E, Ballroom Level, Cook Convention Center Organized by: AA Sher (asher@du.edu) and JC Stromberg This session will address head-on the conflict surrounding the role of Tamarix as a woody invader of watersheds as an agent vs. symptom of habitat degradation, with a goal of reconciliation and clarification of restoration goals. Speakers: AA Sher, University of Denver and Denver Botanic Gardens--Invasive Tamarix as both symptom and driver of ecosystem change J Stromberg, Arizona State University--Abundance of introduced Tamarix in an arid river basin (Arizona, US) reflects prevailing hydrology PB Shafroth, USGS T Stohlgren, Colorado State University E Glenn, University of Arizona M Chew, Arizona State University--Tamarix and Homo: 5,000 years in five minutes FULL ABSTRACT FULL ABSTRACT FULL ABSTRACT

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