Monday, August 3, 2009: 1:30 PM-5:00 PM
Ruidoso, Albuquerque Convention Center
COS 1 - Arid and Semi-Arid Systems
1:30 PMBoom and bust in the desert: The failed economy of an invasive grass in the Mojave Desert
Claus Holzapfel, Rutgers, The State University of New Jersey, Hadas A. Parag, Rutgers, The State University of New Jersey, Gareth J. Russell, New Jersey Institute of Technology and Rutgers University
1:50 PMComparative whole-plant and leaf-level gas exchange of invasive and native desert grassland bunchgrasses
Erik P. Hamerlynck, USDA-ARS, Russell L. Scott, USDA-ARS, Travis E. Huxman, University of Arizona
2:10 PMCANCELLED - From long-term prediction to spatial modeling of annual grassland response to climate change
Rakefet Shafran-Natan, Ben Gurion University of the Negev, Tal Svoray, Ben Gurion University of the Negev, Avi Perevolotsky, The Volcani Center
2:30 PMCANCELLED - Effects of soil texture and prehistoric agriculture on ecosystem properties in the Sonoran Desert
Jolene Trujillo, Arizona State University, Sharon Hall, Arizona State University, Hoski Schaafsma, Arizona State University, John M. Briggs, Kansas State University
2:50 PMElevated CO2 and warming effects on soil organic matter dynamics in a semi-arid grassland
Yolima Carrillo, University of Wyoming, Elise G. Pendall, University of Wyoming, Feike A. Dijkstra, USDA-ARS, Joanne Newcomb, University of Wyoming, David G. Williams, University of Wyoming, Jack A. Morgan, USDA-ARS
3:10 PMBreak
3:20 PMAbiotic processes drive gaseous nitrogen loss from Mojave Desert soils
Carmody K. McCalley, Cornell University, Jed P. Sparks, Cornell University
3:40 PMChallenging desertification paradigms: Towards an objective quantification of land degradation and the Charney effect in African ecosystems
Niall P. Hanan, Colorado State University, Lara Prihodko, Colorado State University, Christopher A. Williams, Clark University
4:00 PMMoisture controls on plant and microbial contributions to soil respiration in coastal California pine forests
Mariah S. Carbone, University of California, Sean M. Schaeffer, University of California, A. Park Williams, University of California, Christopher J. Still, University of California
4:20 PMPatterns of post-fire vegetation recovery in a Mojave Desert springs complex
Stephanie O. Sunderman, University of Nevada, Reno, Peter J. Weisberg, University of Nevada, Reno, Sarah L. Karam, University of Nevada, Reno
4:40 PMImproving springs ecosystem stewardship: A rapid multi-cultural inventory and assessment approach
Colleen A. Cooley, Grand Canyon Wildlands Council, Lawrence E. Stevens, Museum of Northern Arizona and Grand Canyon Wildlands Council

See more of Contributed Oral Papers

See more of The 94th ESA Annual Meeting (August 2 -- 7, 2009)