8:00 AM

Carney, Karen*,1, Hungate, Bruce2, Drake, Bert1, Megonigal, J. Patrick1, 1 Smithsonian Environmental Research Center, Edgewater, MD2 Northern Arizona University, Flagstaff, AZ, Elevated CO2 may enhance soil organic matter decomposition through changes in soil microbial composition and activity.

FULL ABSTRACT

8:20 AM

Vourlitis, George*,1, Nogueira, José2, Biudes, Marcelo2, Faria, Jorge2, Pinheiro, Jean2, Lobo, Francisco3, 1 Biological Sciences Department, San Marcos, CA, USA2 Departamento de Física, Cuiabá, Mato Grosso, Brazil3 Departamento de Solos e Engenharia Rural, Cuiabá, Mato Grosso, Brazil, The sensitivity of diel CO2 and H2O vapor exchange of a tropical transitional forest to seasonal variation in meteorology and water availability.

FULL ABSTRACT

8:40 AM

Orr, Cailin*,1, Riggsbee, J. Adam1, Leech, Dina1, Doyle, Martin1, 1 University of North Carolina, Chapel Hill, NC, Role of light in carbon release and iron sorption during simulated river sediment transport events.

FULL ABSTRACT

9:00 AM

Kopecky, Andrea*,1, Lyon, David1, Ziegler, Susan1, 1 University of Arkansas, Fayetteville, AR, The effects of solar radiation on dissolved organic matter cycling in Ozark streams.

FULL ABSTRACT

9:20 AM

Kicklighter, David*,1, Melillo, Jerry1, Prinn, Ronald2, McGuire, Anthony3, Felzer, Benjamin1, Zhuang, Qianlai4, 1 Marine Biological Laboratory, Woods Hole, MA2 Massachusetts Institute of Technology, Cambridge, MA3 University of Alaska, Fairbanks, AK4 Purdue University, West Lafayette, IN, Importance of DOC exports on estimates of terrestrial carbon sequestration.

FULL ABSTRACT

9:40 AM

, Break.

9:50 AM

von Fischer, Joseph*,1, 1 Colorado State University, Ft. Collins, CO, Physics or biology? What controls methane consumption in upland soils?

FULL ABSTRACT

10:10 AM

Schedlbauer, Jessica*,1, 2, Kavanagh, Kathleen1, Finegan, Bryan2, 1 University of Idaho, Moscow, ID2 Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica, Soil carbon storage in developing secondary forests of northeastern Costa Rica.

FULL ABSTRACT

10:30 AM

Newingham, Beth*,1, Charlet, Therese1, Housman, David2, Smith, Stan1, 1 University of Nevada, Las Vegas, Las Vegas, NV2 U.S. Geological Survey, Moab, UT, Response of aboveground net primary production to elevated CO2 in a Mojave Desert ecosystem.

FULL ABSTRACT

10:50 AM

Bradford, Mark*,1, Davies, Christian1, Frey, Serita2, Melillo, Jerry3, Mohan, Jacqueline3, Treseder, Kathleen4, Wallenstein, Matthew5, 1 University of Georgia, Athens, GA2 University of New Hampshire, Durham, NH3 The Ecosystems Center, Woods Hole, MA4 University of California, Irvine, CA5 University of California, Santa Barbara, CA, Long-term soil warming: evidence for shifts in microbial activity and organic carbon dynamics.

FULL ABSTRACT

11:10 AM

Lewis, David*,1, 2, Kaye, Jason2, 1 Global Institute of Sustainability, Tempe, AZ, USA2 Department of Crop and Soil Sciences, University Park, PA, USA, Response of soil carbon pools and fractions to a century of land use change.

FULL ABSTRACT