Oral Session #30: Effects of Elevated Carbon Dioxide.

Presiding: J.G. Hamilton, University of Illinois.
Monday, August 7, 2000
1:15 PM to 5:15 PM
Superior Room - Cliff Lodge

1:15 PM	The effects of CO2 and landuse change using synchronously coupled meteorological and plant models. EASTMAN, J.L and R.B WAIDE, M.B COUGHENOUR, R.A PIELKE
1:30 PM	Aboveground production of C3 and C4 species in a Chesapeake Bay salt marsh as a result of salinity, flooding, CO2, and CO2 interactions. SAUNDERS, C.J. and A.S. MARSH, B.G. DRAKE
1:45 PM	Plant-plant interactions in a Mojave Desert plant community exposed to elevated atmospheric CO2 during a year with above-average precipitation. DEFALCO, L.A. and R.S. NOWAK
2:00 PM	Photosynthetic and stomatal acclimation to sub-ambient and elevated CO2 concentrations in a C3-C4 grassland. MAHERALI, H. and L.J. ANDERSON, H.B. JOHNSON, H.W. POLLEY, R.B. JACKSON
2:15 PM	Biological N-fixation in California annual grassland: Responses to elevated CO2 and effects on community productivity. VERVILLE, J.H. and C.B. FIELD
2:30 PM	Global changes influence woody invasion of a California annual grassland. SIMONE ZAVALETA, E. and B. THOMAS, C.B. FIELD, H.A. MOONEY
2:45 PM	Elevated carbon dioxide inhibits nitrate photoassimilation. BLOOM, A.J. and D.R. SMART
3:00 PM	Break
3:30 PM	Effects of elevated CO2 concentrations during growth on isoprene emissions from velvet beans (Mucuna sp.). POTOSNAK, M.J. and K.L. GRIFFIN
3:45 PM	How will invasive and less-invasive plant species perform in a high-CO2 world? Projections from ecophysiological data on four grass species. FARNSWORTH, E.J.
4:00 PM	Contrasting response of an N-fixing and a non-fixing forb to elevated CO2 and nitrogen: Implications for grassland community response to rising CO2. LEE, T.D. and M.G. TJOELKER, P.B. REICH
4:15 PM	Alteration of soil carbon by communities of mycorrhizal fungi in a chaparral ecosystem exposed to elevated CO2. TRESEDER, K.K. and L.M. EGERTON-WARBURTON, M.F. ALLEN
4:30 PM	Stomatal response to elevated CO2 changes with seasonal water availability in pinyon pine and juniper. EDGAR, C.W. and G.W. KOCH
4:45 PM	Photosynthetic activity of arctic evergreens under the snow: Implications in the ecosystem carbon budget. STARR, G. and S.F. OBERBAUER
5:00 PM	Influence of atmospheric CO2 enrichment on soil methane consumption in a coniferous forest. PHILLIPS, R.L. and S.C. WHALEN, W.H. SCHLESINGER