Friday, August 6, 2010: 8:30 AM-10:30 AM
Exhibit Hall A, David L Lawrence Convention Center
PS 89 - Latebreaking: Arid and Semi-Arid Systems
8:30 AM	PS 89-16		Diazotrophic and denitrifying community of two contrasting soils in the Cuatro Ciénegas basin Nguyen E. López-Lozano, Universidad Nacional Autónoma de México, Felipe García-Oliva, Universidad Nacional Autónoma de México, Germán Bonilla-Rosso, UNAM Instituto de Ecología, Luis E. Eguiarte, UNAM Instituto de Ecología, Valeria Souza, UNAM Instituto de Ecología
8:50 AM	PS 89-17		Assessment of land cover change as a function of climate change and anthropogenic disturbance in Iranian Zagros forests Azad Henareh Khalyani, Michigan Technological University, Michael Falkowski, Michigan Technological University, Audrey L. Mayer, Michigan Technological University
9:10 AM	PS 89-18		Intra-specific variation in plant hydraulic sectoriality along an aridity gradient Angela M. Zeng, University of Pennsylvania, Roberto Salguero-Gomez, University of Pennsylvania, Agustin Santos-Alvarez, University of Cadiz, Amy Zanne, University of Missouri-St. Louis, Brenda Casper, University of Pennsylvania
9:30 AM	PS 89-19		Modeling belowground competition between grass and shrubs with variable rooting depths and profiles in a semiarid shrub community Junshan Liu, Beijing Normal University, Qiong Gao, College of Resources Sciences, Beijing Normal University
9:50 AM	PS 89-20		Excess resources lead to success and invasion by species best able to respond to resource fluxes Brenda M. Vaness, Western Ag Innovations, Inc., Kirk W. Davies, USDA - ARS, Aleta M. Nafus, USDA - ARS, Roger L. Sheley, USDA - ARS, Geoffrey T. Clark, University of Saskatchewan, Scott D. Wilson, University of Regina

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See more of The 95th ESA Annual Meeting (August 1 -- 6, 2010)