Kelley Crews presents ESSP spring colloquium Kelley Crews, associate professor of geography and the environment at the University of Texas in Austin, will present "The Human Dimensions of Land Cover and Land Use Change in Tropical Systems" at 3 p.m. Friday, March 28, in Room 210, Clifford Hall Auditorium. Dr. Crews received her Ph.D. in geography from the University of North Carolina at Chapel Hill in 2000, and also holds degrees in marine science and public policy. She founded and directs the new University of Texas Geographic Information Science Center. Her thematic research interests include remote sensing, population-environment interactions, landscape ecology, and policy analysis. Geographically her work focuses on tropical and subtropical forest/savanna/wetland ecotones in the western Amazon, the Okavango Delta of Botswana, and Northeast Thailand. The presentation is part of the UND Earth System Science and Policy spring 2008 colloquium Series. For more information contact Michael Hill at 777-6071, or hillmj@aero.und.edu.