8:00 AM: Schwinning, Susanne^*,1, Chesson, Peter², ¹ Texas State University, San Marcos, TX² University of Arizona, Tucson, AZ, Do desert plants partition water by soil depth or time?

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8:20 AM: Ignace, Danielle^*,1, Potts, Daniel ¹, Yepez-Gonzalez, Enrico², Huxman, Travis¹, Williams, David², Weltzin, Jake³, ¹ University of Arizona, Tucson, AZ, USA² University of Wyoming, Laramie, WY, USA³ University of Tennessee, Knoxville, TN, USA, Response of evapotranspiration in a semi-arid ecosystem applied with a simulated precipitation pulse: The role of grass species across geomorphic surfaces.

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8:40 AM: Hamerlynck, Erik^*,1, McAuliffe, Joseph², Eppes, Martha³, ¹ Rutgers University, Newark, NJ, USA² Desert Botanical Garden, Phoenix, AZ, USA³ University of North Carolina, Charlotte, VA, USA, Functional ecology of long-lived creosotebush clones in the Mojave Desert.

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9:00 AM: Nowak, Robert^*,1, Ferguson, Scot ¹, Young, Andrew¹, Aranjuelo, Iker¹, Landmesser, Jacob¹, ¹ University of Nevada, Reno, Reno, NV, Fine root production under elevated CO₂ for a Mojave Desert ecosystem.

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9:20 AM: Cable, Jessica^*,1, Snyder, Keirith², Barron-Gafford, Greg¹, Cable, William³, Huete, Alfredo¹, Huxman, Travis¹, ¹ University of Arizona, Tucson, AZ, USA² USDA-ARS, Las Cruces, NM, USA³ USDA-ARS, Tucson, AZ, USA, Microbial crust CO₂ response to precipitation on the Jornada Experimental Range.

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9:40 AM: , BREAK.

9:50 AM: Potts, Daniel^*,1, Huxman, Travis¹, English, Nathan¹, Weltzin, Jake², Williams, David³, ¹ University of Arizona, Tucson, AZ² University of Tennessee-Knoxville, Knoxville, TN³ University of Wyoming, Laramie, WY, Precipitation pulses in a simulated desert grassland: The role of pulse seasonality and bunchgrass species on canopy-scale carbon exchange.

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10:10 AM: Puetz, Sandro¹, Paruelo, José², Weber, Gerhard¹, Jeltsch, Florian³, Wiegand, Thorsten¹, ¹ UFZ Leipzig-Halle GmbH, Leipzig, Germany² Institute for agricultural Plant Physiology and Ecology, Buenos Aires, Argentine³ University of Potsdam, Potsdam, Germany, How do grazing and stochastic rainfall affect vegetation? Insights from a simulation approach.

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10:30 AM: Newingham, Beth^*,1, deSoyza, Amrita², Smith, Stanley¹, ¹ University of Nevada, Las Vegas, Las Vegas, NV, USA² University of Nevada, Reno, Reno, NV, USA, Linking changes in insect abundance with plant productivity in response to increased precipitation, nitrogen deposition and CO₂ in the Mojave Desert.

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10:50 AM: Jankju Borzelabad, Mohammad¹, ¹ Yazd University, Yazd, Iran, Responses of arid land plants to simulated changes in rain frequency and intensity.

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11:10 AM: Boeken, Bertrand^*,1, ¹ Blaustein Institute for Desert Research, Midreshet Ben-Gurion, Israel, Long-term monitoring of semi-arid annual plant community dynamics in relation to annual rainfall.

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