Oral Session 28: Grassland Ecology I: Soils and Respiration.
Presiding: S Baer
Tuesday, August 3, 8:00 AM to 11:30 AM, Meeting Room C 123.
8:00 AM Leis, Sherry*,1, Engle, David1, Leslie, David2, Fehmi, Jeffrey3, 1 Oklahoma State University, Stillwater, OK, USA2 Oklahoma Cooperative Fish and Wildlife Research Unit, Stillwater, OK3 U.S. Army Engineer Research and Development Center -Construction Engineering Research Laboratory, Champaign, IL, USA Mixed-grass prairie response to a gradient of anthropogenic soil disturbance.
8:20 AM Zabinski, Cathy*,1, Walling, Sara1, 2, 1 Montana State University, Bozeman2 National Soil Erosion Research Laboratory, West Lafeyette, IN Ecological stoichiometry of arbuscular mycorrhizae in grassland plants with simulated herbivory.
8:40 AM Wan, Shiqiang1, Norby, Richard 1, Weltzin, Jake2, Reilly, Carolyn1, Allen, Philip2, 1 Environmental Sciences Division, Oak Ridge, TN, USA2 Department of Ecology and Evolutionary Biology, Knoxville, TN, USA Global change and soil respiration: Complex responses to multiple interacting factors in old-field grassland.
9:00 AM Parker, Sophie*,1, Schimel, Joshua1, 1 University of California- Santa Barbara, Santa Barbara, CA Nitrogen cycling in California grassland soils is influenced by soil texture and plant phenology.
9:20 AM Mentzer, Jessica*,1, Shaw, Rebecca2, Balser, Teri1, 3, 1 Soil Science Department, Madison, WI, 537062 The Nature Conservancy, San Fransisco, CA, USA3 Gaylord Nelson Institute for Environmental Studies, Madison, WI Impacts of multiple global change drivers on the composition of a grassland soil microbial community.
9:40 AM break.
9:50 AM Hufford, Kristina*,1, Mazer, Susan 1, Schimel, Joshua1, 1 Dept. of Ecology, Evolution, and Marine Biology, Santa Barbara, CA, USA Do soil factors predict the distributions of three California bunchgrasses among Channel Island and Mainland populations?
10:10 AM Harris, Wylie*,1, Boutton, Thomas1, Ansley, R2, 1 Texas A&M University, College Station, Texas, USA2 Texas Agricultural Experiment Station, Vernon, Texas, USA Plant community and soil microbial dynamics in subhumid temperate grasslands: Effects of seasonal fire and clipping.
10:30 AM Huber-Sannwald, Elisabeth 1, Arredondo, Tulio1, 1 Instituto Potosino de Investigacion Cientifica y Tecnologica, San Luis Potosi, S.L.P., Mexcio Land use change in desert grassland in Central Mexico: A belowground perspective.
10:50 AM Bestelmeyer, Brandon1, Ward, Judy 1, Herrick, Jeffrey1, Tugel, Arlene2, 1 USDA-ARS Jornada Experimental Range, Las Cruces, NM, USA2 USDA-NRCS Jornada Experimental Range, Las Cruces, NM, USA Soil-geomorphic basis of divergent landscape trajectories in the Chihuahuan Desert.
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