COS 47 - Physiology: Plant Respiration and Transpiration I

Tuesday, August 4, 2009: 1:30 PM-5:00 PM
Grand Pavillion V, Hyatt
Presider:
Richard W. Lucas, University of Wyoming
1:30 PM
 Rapid tree mortality following experimental drought
Enrico A. Yepez, University of New Mexico; Jennifer A. Plaut, University of New Mexico; Judson P. Hill, University of New Mexico; Jennifer Johnson, University of New Mexico; Andrea Porras-Alfaro, Western Illinois University; Monica L. Gaylord, Northern Arizona University; Thomas E. Kolb, Northern Arizona University; Paulette L. Ford, USDA Forest Service Rocky Mountain Research Station; Donald O. Natvig, University of New Mexico; William T. Pockman, University of New Mexico; Nathan G. McDowell, Los Alamos National Laboratory
1:50 PM
 Physiological tolerance to soil water stress in temperate forest tree seedlings: Implications for growth and survival in a drier climate scenario
Juan M. Posada, University of El Rosario; Xavier Morin, CNRS; Martin J. Lechowicz, McGill University
2:10 PM
 Nighttime water loss in desert plants: A call for revisiting theories of optimal stomatal behavior
Richard W. Lucas, University of Wyoming; Kiona Ogle, Arizona State University; Lisa D. Patrick, University of Arizona; Jessica M. Cable, University of Alaska; Greg A. Barron-Gafford, University of Arizona; Alden B. Griffith, Wellesley College; Danielle D. Ignace, University of Arizona; G. Darrel Jennerette, University of California-Riverside; Anna P. Tyler, University of Arizona; Travis E. Huxman, University of California, Irvine; Michael E. Loik, University of California; Stanley D. Smith, University of Nevada, Las Vegas; David T. Tissue, Hawkesbury Institute for the Environment, University of Western Sydney, Richmond NSW
2:30 PM
 Long-term dynamics of site water use in a temperate sweetgum forest exposed to elevated CO2
Jeffrey M. Warren, Oak Ridge National Laboratory; Richard J. Norby, Oak Ridge National Laboratory; Stan D. Wullschleger, Oak Ridge National Laboratory
2:50 PM
 Root-derived CO2 efflux via xylem stream rivals soil CO2 efflux
Doug P. Aubrey, University of Georgia; Robert O. Teskey, University of Georgia
3:10 PM
3:20 PM
 Assimilation of xylem-transported 13CO2 in branches of sycamore (Platanus occidentalis L.)
Mary Anne McGuire, University of Georgia; John D. Marshall, Swedish University of Agricultural Sciences; Robert O. Teskey, University of Georgia
3:40 PM
 Effects of conduit spatial distribution on xylem network properties
Maurizio Mencuccini, ICREA - CREAF and University of Edinburgh; Jordi Martínez-Vilalta, CREAF / Autonomous University of Barcelona; Lasse Loepfe, Universitat Autonoma de Barcelona; Josep Piñol, Universitat Autonoma de Barcelona; Mireia Burnat, CREAF / Autonomous University of Barcelona; F. Xavier Alvarez, Universitat Autonoma de Barcelona; Juan Camacho, Universitat Autonoma de Barcelona; Debora Gil, Universitat Autonoma de Barcelona
4:20 PM
 Physiological consequences of height-related morphological variation in Sequoia sempervirens foliage
Lucy Penn Mullin, Northern Arizona University; Stephen C. Sillett, Humboldt State University; George W. Koch, Northern Arizona University
4:40 PM
 Biophysical constraints on maximum angiosperm leaf size
Kevin A. Simonin, The University of Sydney; Todd E. Dawson, University of California Berkeley
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