95th ESA Annual Meeting (August 1 -- 6, 2010)

PS 89 - Latebreaking: Arid and Semi-Arid Systems

Friday, August 6, 2010: 8:30 AM-10:30 AM
Exhibit Hall A, David L Lawrence Convention Center
8:30 AM
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
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
Intra-specific variation in plant hydraulic sectoriality along an aridity gradient
Angela M. Zeng, University of Pennsylvania; Roberto Salguero-Gomez, The University of Queensland; Agustin Santos-Alvarez, University of Cadiz; Amy Zanne, The George Washington University; Brenda Casper, University of Pennsylvania
9:30 AM
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, University of Puerto Rico, Rio Piedras
9:50 AM
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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