2008 Joint Annual Meeting (5-9 Oct. 2008): Gains and Losses: Soil Nutrients and Moisture in Aridic Soils Under Changing Climates

51 Gains and Losses: Soil Nutrients and Moisture in Aridic Soils Under Changing Climates



Sunday, 5 October 2008: 8:00 AM
George R. Brown Convention Center, 332AD
Presiding:
Marith Reheis , Mark Miller and Ted M. Zobeck
8:05 AM
Projected 21st Century Climatic Contexts for Change in Aridic Soils
Michael Dettinger, Scripps Institution of Oceanography
8:25 AM
Feedbacks Between Aeolian Processes, Vegetation Productivity, and Nutrient Flux in Deserts
Gregory S. Okin, UCLA; Junran Li, University of Virginia; Lorelei Alvarez, University of Virginia; Debra P.C. Peters; Paolo D'Odorico, University of Virginia
8:45 AM
Paleosol Record of Late Quaternary Desertification, Chihuahuan Desert, New Mexico
David Rachal, New Mexico State University; H. Curtis Monger
9:00 AM
Links Between Land Surface Characteristics and Near-Surface Accumulations of Dust, Soluble Salts, Nitrate-Nitrogen, and Carbonate in the Southern Fry Mountains, Mojave Desert, USA
Daniel R. Hirmas, University of Kansas; Robert C. Graham, University of California; Megan Harlow, University of Georgia
9:15 AM
Tracking the Provenance of Soil Nutrients in Arid to Hyperarid Soils of the Atacama Desert, Chile, Using Strontium Isotopes
Justin D. Hynicka, University of Pittsburgh; Brian W. Stewart, University of Pittsburgh; Stephanie A. Ewing, U.S. Geological Survey; Ronald Amundson, U.C. Berkeley
9:30 AM
The Effects of Land Use and Climate Change on the Erodibility of Desert Soils
Jayne Belnap, U.S. Geological Survey; Richard L. Reynolds, U.S. Geological Survey; Marith Reheis, U.S. Geological Survey; Susan L. Phillips, U.S. Geological Survey; Frank Urban, U.S. Geological Survey; Harland L. Goldstein, U.S. Geological Survey
10:25 AM
Wind Erosion and Dust Flux along the Grassland-Forest Continuum: Effects of Disturbance and Woody Plant Cover
Jason P. Field, University of Arizona; David D. Breshears, University of Arizona; Jeffrey J. Whicker, Los Alamos National Laboratory; Chris B. Zou, University of Arizona; Craig Allen, USGS
10:45 AM
Assessing Resilience of Western Rangelands to Transportation-Related Land-Use Change
Michael C. Duniway, USDA-ARS; Jeffrey E. Herrick, USDA-ARS
11:20 AM
Effect of Wildfires on Physical, Chemical, and Biological Properties of Soil Resource Islands in Joshua Tree National Park
Ken R. Hubbert, Hubbert & Associates; Alice Miller, Joshua Tree National Park; Matt Busse, Pacific SW Research Station
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