Tuesday, May 19, 2009: 8:00 AM-10:00 AM
Ford Ballroom
Biogeochemistry II
Moderator:Amy J. Burgin
8:00 AM93Preferential nitrogen uptake by sediment microbial communities in response to variable nitrogen concentrations
Nathan D. Bunch, Melody J. Bernot
8:15 AM94Denitrification capacity of lake sediments across a gradient of catchment land use in Rotorua, New Zealand
Denise A. Bruesewitz, David Hamilton, Louis Schipper, Warwick Silvester
8:30 AM95Inferring assimilation and denitrification from high frequency nitrate measurements
James B. Heffernan
8:45 AM96The importance of direct and indirect denitrification as fates of nitrate in a forested stream
Jonathan M. O'Brien, Stephen K. Hamilton, Y-K. Wang, Laura Podzikowski
9:00 AM97Nitrogen-uptake responses of stream biofilms to increased availability and changes in relative abundance of chemical forms of nitrogen
Eugčnia Martí, Francesc Sabater, Nancy B. Grimm, Miquel Ribot, Joan L. Riera
9:15 AM98The effects of plant genes on in stream nitrification rates
Adam Wymore, Jane C. Marks
9:30 AM99Nitrous oxide emissions from the Ohio River
Jake J. Beaulieu, Jacob Rebholz, William D. Shuster
9:45 AM100Nitrate use by sulfur bacteria in a stratified lake
Amy J. Burgin, Stephen K. Hamilton, Jay T. Lennon, Stuart Jones
Sponsor:Contributed Sessions

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See more of The NABS 57th Annual Meeting (16-23 May, 2009)