8:00 AM: Barbour, Margaret^*,1, Whitehead, David¹, Griffin, Kevin², Turnbull, Matthew³, Tissue, David⁴, ¹ Landcare Research, Lincoln, New Zealand² Columbia University, Palisades, NY³ University of Canterbury, Christchurch, New Zealand⁴ Texas Tech University, Lubbock, TX, Errors associated with the measurement of nocturnal stomatal conductance.

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8:20 AM: Daley, Michael^*,1, Phillips, Nathan¹, ¹ Boston University, Boston, MA, USA, Interspecific variation in nighttime transpiration and stomatal conductance in a mixed New England deciduous forest.

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8:40 AM: Dawson, Todd^*,1, Burgess, Stephen^*,2, Oliveira, Rafael^*,1, Tu, Kevin^*,1, Ambrose, Anthony^*,1, Simonin, Kevin^*,1, ¹ University of California - Berkeley, Berkeley, CA, USA² University of Western Australia, Crawley, WA, Australia, Nighttime transpiration in contrasting ecosystems: Implications for linking plant function with environment.

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9:00 AM: Cernusak, Lucas^*,1, Barbour, Margaret², Wong, Suan Chin¹, Stuart-Williams, Hilary¹, Farquhar, Graham, ¹ Environmental Biology Group, Canberra, ACT, Australia² Landcare Research, Lincoln, New Zealand, Implications of nocturnal stomatal conductance for modelling the oxygen isotope composition of leaf-respired carbon dioxide.

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9:20 AM: Seibt, Ulrike^*,1, Wingate, Lisa², Hemming, Debbie³, Lloyd, Jon⁴, Berry, Joe¹, ¹ Global Ecology, Carnegie Institution of Washington, Stanford, CA, USA² University of Edinburgh, Edinburgh, UK³ Hadley Centre for Climate Prediction and Research, Exeter, UK⁴ University of Leeds, Leeds, UK, Nocturnal stomatal conductance and the &delta¹⁸O signature of foliage gas exchange and canopy air: Field observations in two forest ecosystems.

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9:40 AM: , BREAK.

9:50 AM: Caird, Mairgareth^*,1, Richards, James¹, James, Jeremy¹, Donovan, Lisa², Ludwig, Fulco², Snyder, Keirith³, ¹ Department of Land, Air, and Water Resources, Davis, CA, USA² Department of Plant Biology, Athens, GA, 30605³ USDA-ARS Jornada Experimental Range, Las Cruces, NM, USA, Nighttime transpiration and nutrient acquisition: Is there a benefit of losing water at night?

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10:10 AM: Bucci, Sandra^*,1, Scholz, Fabian², Goldstein, Guillermo¹, Meinzer, Frederick³, Franco, Augusto⁴, ¹ Departnent of Biology, University of Miami, Coral Gables, FL, USA² Laboratorio de Ecologia Funcional, Universidad de Buenos Aires, Buenos Aires, Argentina³ USDA Forest Service, Corvallis, OR, USA⁴ Universidade de Brasilia, Brasilia, Brazil, Nutrients limitations removal by fertilizations decreases nocturnal water loss in savanna trees.

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10:30 AM: Wohlfahrt, Georg^*,1, Bahn, Michael¹, Haslwanter, Alois¹, Drösler, Matthias^{2, 3}, Cernusca, Alexander¹, ¹ University of Innsbruck, Innsbruck, Austria² Technische Universität München, München, Germany³ Universität Bayreuth, Bayreuth, Germany, Challenges to estimating nocturnal CO₂ fluxes in terrestrial ecosystems using micrometeorological, ecophysiological and modelling techniques.

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10:50 AM: Gu, Lianhong¹, Hanson, Paul¹, Wullschleger, Stan¹, Yang, Bai¹, Pallardy, Steve², Meyers, Tilden³, ¹ Oak Ridge National Lab, Oak Ridge, TN, USA² University of Missouri, Columbia, MO, USA³ NOAA / ATDD, Oak Ridge, TN, USA, Challenges to estimating nocturnal terrestrial ecosystem carbon dioxide and water vapor fluxes using micrometeorological techniques.

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11:10 AM: Fitzjarrald, David^*,1, Sakai, Ricardo ¹, Czikowsky, Matthew¹, ¹ Jungle Research Group, Albany, New York, USA, At the intersection of micrometeorology and ecology: Under what conditions can we measure nocturnal transpiration and CO₂ using bulk methods?

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