Contributed Oral Session 75: Biogeochemistry: Soil Chemical Flux
Wednesday, August 10, 8:00 AM - 11:30 AM, Meeting Room 513 E, Level 5, Palais des congrès de Montréal
8:00 AM: McSwiney, Claire*,1, Robertson, G1, 1 W.K. Kellogg Biological Station, Hickory Corners, MI, USA, Soil oxygen, water content, and N availability across a topographic gradient in a Midwestern agroecosystem.
8:20 AM: Liptzin, Daniel1, Seastedt, Timothy1, 1 University of Colorado, Boulder, CO, USA, Heterogeneity in soil nutrients in the forest-alpine tundra ecotone.
8:40 AM: McNamara, Niall 1, Helaina, Helaina1, Piearce, Trevor2, Stott, Andrew1, Chamberlain, Paul1, Ineson, Phil3, 1 Centre for Ecology and Hydrology, Lancaster, Lancashire, United Kingdom2 Department of Biological Sciences, Lancaster, Lancashire, United Kingdom3 Department of Biology, York, Yorkshire, United Kingdom, Impacts of afforestation on soil methane fluxes.
9:00 AM: Gulledge, Jay1, Ji, Baoming2, Engelhaupt, Erika1, 1 University of Louisville, Louisville, Kentucky, USA2 Tulane University, New Orleans, Louisiana, USA, Projected effects of coastal subsidence and sea-level rise on soil methane efflux from a subtropical bottomland forest.
9:20 AM: Harrison, Michael*,1, Comer, Travis 1, Whiting, Gary1, 1 Christopher Newport University, Newport News, VA, USA, Spatial variation of NEP and methane production across a permafrost melt feature in the zone of discontinuous permafrost in northern Alberta, Canada.
9:40 AM: , BREAK.
9:50 AM: Selmants, Paul*,1, 2, Hart, Stephen1, 2, 1 School of Forestry, Flagstaff, Arizona, USA2 Merriam-Powell Center for Environmental Research, Flagstaff, Arizona, USA, Carbon, nitrogen, and phosphorus dynamics along a 3 million year volcanic soil age gradient in northern Arizona.
10:10 AM: Day, Frank*,1, Stover, Daniel1, Pagel, Alisha1, Hungate, B3, Drake, Bert2, 1 Old Dominion University, Norfolk, VA3 Northern Arizona University, Flagstaff, AZ2 Smithsonian Environmental Research Center, Edgewater, MD, Seven years of fine root regrowth under elevated atmospheric CO2 following fire in a scrub oak ecosystem in central Florida, USA.
10:30 AM: Stover, Daniel*,1, Day, Frank1, Butnor, John2, Drake, Bert3, 1 Old Dominion University, Norfolk, VA2 U.S. Forest Service, South Burlington, VT3 Smithsonian Environmental Research Center, Edgewater, MD, Utilization of ground penetrating radar to quantify the effects of elevated atmospheric CO2 on coarse roots in a scrub oak ecosystem at Kennedy Space Center, Florida USA.
10:50 AM: Weintraub, Michael*,1, Monson, Russell1, Schmidt, Steven1, 1 University of Colorado, Boulder, Boulder, CO, 80302-0334, Root carbon inputs and soil enzyme activity in the sub-alpine forest of the front range of the Rockies, Colorado.
11:10 AM: Hall, Sharon*,1, Asner, Gregory2, 1 Colorado College, Colorado Springs, CO2 Department of Global Ecology, Stanford, CA, Scaling biogenic trace gas emissions from plots to regions: Effects of Morella faya (Fire tree) stand size on soil N2O and NOx fluxes in Hawaii Volcanoes National Park.
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