8:00 AM: Hartley, Laurel^*,1, Detling, James¹, ¹ Colorado State University, Fort Collins, Colorado, USA, Prairie Dogs, Plants, and Pague: A study of plant community and nutrient cycling on prairie dog colonies.

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8:20 AM: Liu, Feng^*,1, Wu, Ben¹, Archer, Steve², Boutton, Thomas¹, Bai, E¹, Jessup, Kirk¹, ¹ Texas A&M University, College Station, TX² University of Arizona, Tucson, AZ, Scaling of soil C and N and its relationship to vegetation and soil attributes in a subtropical savanna landscape.

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8:40 AM: Folsom, Michael ^*,1, ¹ Eastern Washsington University, Cheney, WA, USA, Volcanic Tephra and Wetland Hydrology in the Channeled Scablands of Eastern Washington.

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9:00 AM: Bowles, Marlin¹, Jones, Michael², ¹ The Morton Arboretum, Lisle, Illinois, USA² Christopher Burke Engineering, Rosemont, Illinois, USA, Relationship between fire frequency and long-term changes in eastern tallgrass prairie vegetation.

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9:20 AM: Kerby, Jay^*,1, Engle, David¹, Fuhlendorf, Samual¹, ¹ Oklahoma State University, Stillwater, OK, USA, Spatial variation of fire behavior on simulated grassland mosaics.

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9:40 AM: , BREAK.

9:50 AM: Huang, Heping¹, Yang, Jie^*,2, ¹ Nanjing University, Nanjing, Jiangsu, P. R. china² Inner Mongolia university, Huhhot, Inner Mongolia, P. R. China, Ecosystem Health Assessment of Hilly and Gully Area of Loess Plateau in Inner Mongolia.

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10:10 AM: Yanoff, Steven^*,1, Bradley, Anne², McCarthy, Patrick³, Bate, Joanna⁴, ¹ The Nature Conservancy, Carrizozo, New Mexico² The Nature Conservancy, Santa Fe, New Mexico³ The Nature Conservancy, Santa Fe, New Mexico⁴ The Nature Conservancy, Las Cruces, New Mexico, Assessing ecological condition and restoration opportunity using ecological site descriptions: a multiple-scale spatial approach.

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10:30 AM: Huber-Sannwald, Elisabeth^*,1, Arredondo , Tulio ¹, Alpuche Solis, Angel¹, Aguiar, Martin², Smith, Steve³, ¹ Instituto Potosino de Investigacion Cientifico y Tecnologico, San Luis Potosi, S.L.P., Mexico² Universidad de Buenos Aires, Buenos Aires, Argentina³ University of Arizona, Tuscon, Arizona, U.S.A., Inter-American comparison of the genetic erosion of key species in overgrazed semiarid rangelands.

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