8:00 AM Keelin, Cheryl¹, O'Brien, Sean¹, Taub, Daniel^*,1, ¹ Southwestern University, Georgetown, Texas Competition between NAD-ME and NADP-ME C4 grasses across a nitrogen gradient.

FULL ABSTRACT

8:15 AM Santiago, Louis¹, ¹ University of Florida, Gainesville, FL, USA Linking plant physiological ecology to ecosystem science: Effects of life history traits on leaf decomposition.

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8:30 AM Knops, Johannes^*,1, Naeem, Shahid², ¹ School of Biological Sciences, Lincoln, NE, US² Zoology Department, Seattle, WA, US The impact of elevated CO₂, nitrogen and biodiversity on tissue quality and litter decomposition.

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8:45 AM Ostertag, Rebecca^*,1, Vuong, Linh², Cordell, Susan³, ¹ University of Hawaii at Hilo, Hilo, HI² University of Puget Sound, Tacoma, WA³ Institute of Pacific Islands Forestry, Hilo, HI Cost of leaf construction among native and invasive plant life forms within and across biomes.

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9:00 AM Orians, Colin ^{*,1, 2}, Smith, Sigrid¹, Sack, Lawren², ¹ Tufts University, Medford, MA² Harvard University, Cambridge, MA How are leaves plumbed on a shoot? A novel hydraulic approach to quantifying species-specific sectoriality.

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9:15 AM Ganger, Mike^*,1, ¹ Department of Biology, North Adams, MA, USA Inferring genet development: Interplay of meristem commitment and genet integrity.

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9:30 AM Break.

9:45 AM Merchant, Amethyst^*,1, Mulkey, Stephen¹, ¹ University of Florida, Gainesville, Florida Effects of nitrogen and phosphorus availability on Dicerandra (Lamiaceae) congeners with different life-histories.

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10:00 AM Kline, Kerry^*,1, BassiriRad, Hormoz¹, ¹ University of Illinois at Chicago, Chicago, Illinois, USA Maternal CO₂ affects seed nitrogen and seedling growth but not uptake and assimilation in wheat.

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10:15 AM CANCELLED.

10:30 AM Guo, Dali¹, Mitchell, Robert ¹, Hendricks, Joseph², ¹ Joseph W. Jones Ecological Research Center, Newton, GA, USA² State University of West Georgia, Carrollton, GA, USA Root branching order and responses of fine roots to altered carbon source and sink strength.

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10:45 AM D'Abundo, Denise^*,1, Longstreth, David¹, ¹ Louisiana State University, Baton Rouge, LA Effects of submergence and hypoxia on root elongation and aerenchyma development in rice (Oryza sativa L.) seedlings.

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11:00 AM Bouma, Tjeerd^*,1, De Vries, Mindert², Low, Elinor¹, Herman, Peter¹, Tanczos, Ilka², Peralta, Gloria¹, ¹ Netherlands Institute of Ecology (NIOO), Yerseke, The Netherlands² Delft Hydraulics, Delft, The Netherlands Linking shoot stiffness to capacity for ecosystem-engineering and facilitation: Effects on wave attenuation and drag.

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