8:00 AM McCarron, James¹, Knapp, Alan¹, ¹ . C₃ shrub invasion in a C₄ grassland: Post-fire responses in resources and shoot growth..

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8:15 AM Wohlfahrt, Georg¹, Bahn, Michael¹, Newesely, Christian¹, Sapinsky, Sigrid¹, Tappeiner, Ulrike^1,2, Cernusca, Alexander¹, ^{1 2} . Canopy structure versus physiology effects on net photosynthesis of mountain grasslands differing in land use..

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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. .

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8:45 AM McCutchan, Cheryl¹, Monson, Russell², ^{1 2} . Acclimation of plant respiration along an altitudinal gradient..

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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..

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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..

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9:30 AM Gamon, John^1,3, Oechel, Walter², Huemmrich, Karl^3,4, Houston, Stanley^1,3, Sims, Daniel¹, Kwon, Hyojung², Zulueta, Rommel ², Joseph, Verfaillie², ^{1 3 2 4} . Contrasting controls on carbon flux in arctic and chaparral ecosystems..

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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 ..

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10:00 AM . Break..

10:15 AM Ogle, Kiona¹, Reynolds, James¹, ¹ . Desert dogma revisited: coupling stomatal conductance and photosynthesis in a desert shrub..

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10:30 AM PANEK, JEANNE¹, GOLDSTEIN, ALLEN¹, KURPIUS, MEREDITH¹, ¹ . Drought-imposed limitations on ozone uptake in ponderosa pine forests: measurements and models..

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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..

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11:00 AM McGUIRE, MARY ANNE¹, TESKEY, ROBERT¹, ¹ . Carbon dioxide concentrations in tree stems and their effect on gas exchange..

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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..

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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..

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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..

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