8:00 AM

Gathany, Mark*,1, Burke, Ingrid1, 1 Colorado State University, Fort Collins, Colorado, Soil trace gas fluxes along a wildfire chronosequence in northern Colorado.

FULL ABSTRACT

8:20 AM

Mellor, Nathan*,1, Hellenrich, Jeff 2, Drijber, Rhae 2, Morris, Sherri3, Paul, Eldor1, 1 Colrado State University, Fort Collins, CO2 University of Nebraska Lincoln, Lincoln, NE3 Bradley University, Peoria, IL, SOM changes following planting of cedar and pine plantations on sandy native prairie.

FULL ABSTRACT

9:00 AM

Bern, Carleton*,1, 2, 3, 5, Porder, Stephen4, Townsend, Alan1, 2, 1 University of Colorado, Boulder, CO2 Institute of Arctic and Alpine Research, Boulder, CO3 U.S. Geological Survey, Denver, CO5 cbern@usgs.gov, Denver, CO4 Stanford University, Stanford, CA, Sources of nutrient sulfur in Costa Rican and Hawaiian forests as inferred from stable isotopes.

FULL ABSTRACT

9:20 AM

Hinckley, Eve-Lyn*,1, Fendorf, Scott1, Matson, Pamela1, 1 Stanford University, Stanford, CA, Water use in Northern California vineyard systems: effects on transformations and fates of applied sulfur.

FULL ABSTRACT

9:40 AM

, Break.

9:50 AM

Hartman, Melannie*,1, Baron, Jill2, Ojima, Dennis1, 1 Natural Resource Ecology Laboratory, Fort Collins, CO, USA2 U.S. Geological Survey, Fort Collins, CO, USA, Assessing ecological and biogeochemical responses to changing atmospheric nitrogen and sulfur deposition for diverse ecosystems.

FULL ABSTRACT

10:10 AM

Whittinghill, Kyle*,1, Hobbie, Sarah1, 1 University of Minnesota, Minneapolis, MN, Effects of pH and calcium on soil organic matter dynamics across a glacial chronosequence in Alaskan tundra.

FULL ABSTRACT

10:30 AM

Selmants, Paul*,1, Hart, Stephen1, 1 Northern Arizona University, Flagstaff, AZ, Surface soil phosphorus dynamics along a three million year volcanic substrate age gradient in northern Arizona.

FULL ABSTRACT

10:50 AM

Bryant, David*,1, Strauss, Sarah1, Thomey, Michell1, Ruhland, Christopher2, Day, Thomas1, 1 Arizona State University, Tempe, AZ, USA2 Minnesota State University, Mankato, MN, USA, C:N:P stoichiometry of Antarctic tundra microcosms under increased temperature, precipitation, and soil glucose addition.

FULL ABSTRACT