1:30 PM

DeCrappeo, Nicole*,1, Pyke, David1, 1 U.S. Geological Survey, Corvallis, OR, Soil microbial and nematode community dynamics under elevated and depleted nitrogen conditions in paired sagebrush steppe and Bromus tectorum-invaded ecosystems.

FULL ABSTRACT

1:50 PM

Jones, Ryan*,1, Robeson, Michael1, Fierer, Noah1, 1 University of Colorado-Boulder, Boulder, CO, Exploring sampling intensity needs for phylogenetic comparisons of highly diverse microbial communities: when is enough enough.

FULL ABSTRACT

2:10 PM

Yu, Shen*,1, Vor, Tosten2, Elgersma, Kenneth1, Ehrenfeld, Joan1, 1 Rutgers, The State University of New Jersey, New Brunswick, NJ2 University of Gottingen, Busgenweg, Gottingen, Germany, Differentiating effects of leaf litter and roots on shifts in soil microbial communities and enzyme activities beneath native and invasive plants.

FULL ABSTRACT

2:30 PM

Adair, Karen*,1, Hart, Stephen1, Hungate, Bruce1, Schwartz, Egbert1, 1 Northern Arizona University, Flagstaff, AZ, Ammonia-oxidizing bacteria or ammonia-oxidizing archaea - who is the dominant nitrifyer in northern Arizona soils?

FULL ABSTRACT

2:50 PM

Hernandez, Daniel *,1, Hobbie, Sarah 1, 1 University of Minnesota, St. Paul, MN, The effects of resource diversity on microbial community structure and function.

FULL ABSTRACT

3:10 PM

, Break.

3:20 PM

Cordes, Erik*,1, Kelley, Deborah2, Lilley, Marv2, Girguis, Peter1, 1 Harvard University, Cambridge, MA2 University of Washington, Seattle, WA, Relating microbial distribution to geochemical gradients in deep-sea hydrothermal vent chimneys.

FULL ABSTRACT

3:40 PM

Osmundson, Todd*,1, 2, Simpson, Joshua1, Sircely, Jason1, Reich, Peter3, Knops, Johannes4, Naeem, Shahid1, 1 Columbia University, New York, NY2 New York Botanical Garden, New York, NY3 University of Minnesota, St. Paul, MN4 University of Nebraska, Lincoln, NE, Lack of effects of elevated N and CO2 on soil microbial diversity in a North American grassland model system.

FULL ABSTRACT

4:00 PM

Dubinsky, Eric*,1, 2, Brodie, Eoin2, Andersen, Gary 2, Firestone, Mary1, 2, 1 University of California, Berkeley, Berkeley, CA2 Lawrence Berkeley National Laboratory, Berkeley, CA, High abundance and diversity of iron-reducing bacteria in wet tropical forest soils.

FULL ABSTRACT

4:20 PM

Krumins, Jennifer*,1, Morin, Peter 1, Dighton, John1, 1 Graduate Program in Ecology and Evolution, New Brunswick, NJ, USA, Effects of nitrogen deposition on ectomycorrhizal and bacterial communities in oak forests.

FULL ABSTRACT