1:30 PM: Salo, Lucinda^*,1, Rhodes, Michael², Pyke, David², ¹ USGS Forest & Rangeland Ecosystem Science Center, Boise, ID² USGS Forest & Rangeland Ecosystem Science Center, Corvallis, OR, Chaos on the Sagebrush Sea: Catastrophe theory and rangeland vegetation change.

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1:50 PM: Washington-Allen, Robert^{*,1, 2}, West, Neil¹, Ramsey, R. Douglas¹, ¹ Utah State University, Logan, Utah, USA² University of Tennessee-Knoxville, Knoxville, TN, USA, Empirical Evidence for Catastrophic Shifts in Sagebrush Steppe.

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2:10 PM: Kampmann, Dorothea^{*,1, 3}, Herzog, Felix¹, Konold, Werner², Wildi, Otto³, ¹ Agroscope, Swiss Federal Research Station for Agriculture and Agroecology, Zurich, Switzerland³ Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland² Albert Ludwigs University Freiburg, Freiburg, i.Brsg., Germany, Grassland biodiversity in the Swiss Alps: A survey on agricultural and socio-economic impacts at different scales.

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2:30 PM: Engel, Cayenne^*,1, Weltzin, Jake ¹, Norby, Rich ², ¹ University of Tennessee - Knoxville, Knoxville, TN, USA² Oak Ridge National Laboratory, Oak Ridge, TN, USA, Species-specific and community responses of an old-field plant community to the interacting factors of elevated [CO₂], warming, and soil moisture content.

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2:50 PM: Murphy, Cheryl^*,1, Foster, Bryan¹, Ramspott, Matthew², Price, Kevin², Kindscher, Kelly³, ¹ University of Kansas, Lawrence, KS, USA² University of Kansas, Lawrence, KS, USA³ University of Kansas, Lawrence, KS, USA, Effects of fertilization and haying on grassland productivity, community properties and relationships to spectral reflectance.

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3:10 PM: , BREAK.

3:20 PM: Polley, Wayne^*,1, Wilsey, Brian², Derner, Justin³, Johnson, Hyrum¹, Sanabria, Joaquin⁴, ¹ USDA/Agricultural Research Service, Temple, Texas, USA² Iowa State University, Ames, Iowa, USA³ USDA/Agricultural Research Service, Cheyenne, Wyoming, USDA⁴ Texas Agricultural Experiment Station, Temple, Texas, USA, Early-successional plants regulate grassland productivity and species composition.

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3:40 PM: Fukami, Tadashi^{*,1, 2}, Bezemer, T. Martijn^{2, 3}, Mortimer, Simon⁴, van der Putten, Wim^{2, 3}, ¹ Landcare Research, Lincoln, New Zealand² Netherlands Institute of Ecology, Heteren, The Netherlands³ Wageningen University & Research Centre, Wageningen, The Netherlands⁴ University of Reading, Reading, UK, Trait-based assembly rules govern grassland succession despite species divergence.

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4:00 PM: Browning, Dawn^*,1, Archer, Steven¹, Asner, Gregory², Hoggatt, Elsbeth¹, McClaran, Mitchell¹, Wessman, Carol³, ¹ University of Arizona, Tucson, AZ, USA² Carnegie Institue of Washington-Stanford University, Stanford, CA, USA³ University of Colorado, Boulder, CO, USA, Spatial rearrangement of woody plant (Prosopis velutina) cover over 60 years in a desert grassland.

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4:20 PM: Myster, Randall¹, ¹ University of Central Oklahoma, Edmond, Oklahoma, Controls on oak invasion into the Cross Timbers ecotone of Oklahoma.

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4:40 PM: Hamilton, E. William^*,1, Knox, John¹, Oakley, Clinton¹, Hurd, L¹, ¹ Washington and Lee University, Lexington, VA, Multi-trophic dynamics of an assembling grassland community.

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