COS 126 Soil

Friday, August 7, 2009: 8:00 AM-11:30 AM
Grand Pavillion II, Hyatt
8:00 AM
Soil fungal community dynamics under elevated and depleted nutrient conditions in sagebrush steppe and cheatgrass-invaded ecosystems
Nicole M. DeCrappeo, U.S. Geological Survey; Elizabeth J. DeLorenze, U.S. Geological Survey; David A. Pyke, U.S. Geological Survey; Peter J. Bottomley, Oregon State University
8:20 AM
Evaluating atmospheric CO2-induced microbial feedbacks on plant productivity in a microcosm experiment
Andrew C. Procter, Duke University; Alexia M. Kelley, Duke University; Robert B. Jackson, Duke University
8:40 AM
Isolating the mechanisms that govern the contrasting relationships of the major decomposer groups in soil, fungi and bacteria, to pH
Johannes Rousk, Lund University; Philip C. Brookes, Rothamsted Research; Erland Bth, Lund University
9:00 AM
Microbial and invertebrate activity at the litter-soil interface and its effect on decomposition in a Michigan agroecosystem
Kyle Wickings, Michigan State University; Stuart Grandy, Michigan State University; Sasha C. Reed, University of Montana; Cory C. Cleveland, University of Montana
9:20 AM
Litter chemistry and litter dwelling arthropod abundance are influenced by a genetic gradient created by plant hybridization
Todd Wojtowcz, Northern Arizona University; Luke A. Hanna, Northern Arizona University; Liza M. Holeski, University of Wisconsin; Louis J. Lamit, Northern Arizona University; Richard L. Lindroth, University of Wisconsin; Thomas G. Whitham, Northern Arizona University; Catherine A. Gehring, Northern Arizona University
9:40 AM
9:50 AM
Nutrient controls over above- and below-ground carbon cycling across a soil age gradient
Sasha C. Reed, University of Montana; Cory C. Cleveland, University of Montana; Peter M. Vitousek, Stanford University; Alan R. Townsend, University of Colorado, Boulder
10:10 AM
Dissolved organic matter and carbon stabilization in wet tropical forest volcanic soils
Erika Marin-Spiotta, University of California, Santa Barbara; Oliver A. Chadwick, University of California; Marc Kramer, University of California
10:30 AM
Wind and water erosion under global-change-type conditions and alternate land management practices
Jason P. Field, University of Arizona; David D. Breshears, The University of Arizona; Jeffrey J. Whicker, Los Alamos National Laboratory; Chris B. Zou, Oklahoma State University
10:50 AM
A revised perspective of soil surface stability: Dynamic aeolian equilibrium of dryland ecosystem surfaces
Jeffrey J. Whicker, Los Alamos National Laboratory; David D. Breshears, University of Arizona; Craig D. Allen, Jemez Mountains Field Station
11:10 AM
Ecosystem recovery during C4 grassland development following long-term disturbance: An evaluation at regional and global scales
Sara Baer, Southern Illinois University Carbondale; Elizabeth M. Bach, Southern Illinois University Carbondale; Chris Du Preez, University of the Free State; Ryan P. Klopf, Southern Illinois University Carbondale; Clinton Meyer, Simpson College; Johan Six, University of California - Davis