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Oral Session #4: Plant Ecology: Gas Exchange. Presiding: J. Pereira.
Monday, August 6, 2001. 8:00 AM to 12:00 PM. Hall of Ideas P&Q.
8:00 AM McCarron, James1, Knapp, Alan1, 1 . C3 shrub invasion in a C4 grassland: Post-fire responses in resources and shoot growth..
8:15 AM Wohlfahrt, Georg1, Bahn, Michael1, Newesely, Christian1, Sapinsky, Sigrid1, Tappeiner, Ulrike1,2, Cernusca, Alexander1, 1 2 . Canopy structure versus physiology effects on net photosynthesis of mountain grasslands differing in land use..
8:30 AM Forseth, Irwin1, Wait, D.2, Casper, Brenda3, 1 2 3 . Physiological and developmental responses to drought in Cryptantha flava are size specific. .
8:45 AM McCutchan, Cheryl1, Monson, Russell2, 1 2 . Acclimation of plant respiration along an altitudinal gradient..
9:00 AM Murthy, Ramesh1, Griffin, Kevin2, Zarnoch, Stanley 3, Dougherty, Phillip4, Watson, Barbara5, Van Haren, Joost5, Patterson, Lane 5, Mahato, Tilak5, Osmond, Barry1, 1 2 3 4 5 . Effect of increasing soil temperature on below ground CO2 efflux: A large scale controlled system perspective..
9:15 AM Sims, Daniel 1, Kwon, Hyojung2, Oechel, Walter2, Gamon, John1, 1 2 . Relationships between ecosystem CO2 flux and vegetation spectral reflectance in Southern California chaparral..
9:30 AM Gamon, John1,3, Oechel, Walter2, Huemmrich, Karl3,4, Houston, Stanley1,3, Sims, Daniel1, Kwon, Hyojung2, Zulueta, Rommel 2, Joseph, Verfaillie2, 1 3 2 4 . Contrasting controls on carbon flux in arctic and chaparral ecosystems..
9:45 AM DORE, SABINA1, HYMUS, GRAHAM2, JOHNSON, DAVID2, DRAKE, BERT2, HINKLE, C ROSS3, 1 2 3 . Seasonal and interannual variations in ecosystem water and carbon fluxes in Florida scrub oak ..
10:00 AM . Break..
10:15 AM Ogle, Kiona1, Reynolds, James1, 1 . Desert dogma revisited: coupling stomatal conductance and photosynthesis in a desert shrub..
10:30 AM PANEK, JEANNE1, GOLDSTEIN, ALLEN1, KURPIUS, MEREDITH1, 1 . Drought-imposed limitations on ozone uptake in ponderosa pine forests: measurements and models..
10:45 AM Will, Rodney1, Munber, Gregory 1, McGarvey, Robert1, 1 . The effect of annual nitrogen fertilization on the gas exchange and canopy dynamics of Pinus taeda stands..
11:00 AM McGUIRE, MARY ANNE1, TESKEY, ROBERT1, 1 . Carbon dioxide concentrations in tree stems and their effect on gas exchange..
11:15 AM Potosnak, Mark1, Griffin, Kevin1, Murthy, Ramesh2, van Haren, Joost2, Monson, Russel3, 1 2 3 . Elevated CO2 growth conditions suppress isoprene emissions from cottonwood trees (Populus deltoides) grown in an enclosed ecosystem..
11:30 AM Hanan, Niall1, Burba, George2, Berry, Joe3, Verma, Shashi2, Walter-Shea, Elizabeth2, 1 2 3 . Inversion of eddy covariance CO2 flux measurements for the estimation of canopy structure..
11:45 AM Chen, Jiquan1, Falk, Matthias2, Euskirchen, Eugenie1, Paw U, Kyaw Tha2, Suchanek, Tom2, Ustin, Susan2, Bond, Barb3, Brosofske, Kim4, 1 2 3 4 . Biophysical controls of carbon flows in three successional Douglas-fir stands based upon eddy-covariance measurements..