COS 28 - Physiological Ecology I

Tuesday, August 9, 2011: 8:00 AM-11:30 AM
18A, Austin Convention Center
8:00 AM
Xylem vulnerability to cavitation can be accurately characterized in species with long vessels: A case study with Quercus wislizeni A.DC. (Fagaceae)
R. Brandon Pratt, California State University, Bakersfield; Michael F. Tobin, University of Houston-Downtown; Anna L. Jacobsen, California State University, Bakersfield
8:20 AM
Xylem vessel length and centrifuge measures of xylem cavitation resistance
Anna L. Jacobsen, California State University, Bakersfield; R. Brandon Pratt, California State University, Bakersfield; Michael F. Tobin, University of Houston-Downtown
8:40 AM
Seasonal drivers of Rhododendron maximum transpiration in forest understories in the southern Appalachians
Steven Brantley, USDA Forest Service Southern Research Station; Chelcy Ford, USDA Forest Service
9:00 AM
Xylem vulnerability and hydraulic architecture as determinants of plant drought resistance on a desert-shrubland gradient
Louis S. Santiago, University of California-Riverside; Karrin Alstad, University of California; Sarah C. Pasquini, University of California; Alexandria Pivovaroff, UC Riverside; Jeffrey Ambriz, University of California; Jenessa Stemke, University of California
9:20 AM
Xylem vessel structure is linked to functional shifts between post-fire resprouting and unburned chaparral shrubs
Raeanne M. Quaresma, California State University, Bakersfield; Anna L. Jacobsen, California State University, Bakersfield; R. Brandon Pratt, California State University, Bakersfield; Michael F. Tobin, University of Houston-Downtown
9:40 AM
9:50 AM
A new mechanism of tree stem mortality in forest fires: Heat-induced xylem cavitation
Sean T. Michaletz, University of Arizona; Edward A. Johnson, University of Calgary
10:10 AM
Relationships among water transport, biomechanics, and storage for stem xylem of 32 shrub species of the chaparral community
Michael F. Tobin, University of Houston-Downtown; Courtney A. Traugh, California State University, Bakersfield; Anna L. Jacobsen, California State University, Bakersfield; Christine C. Whitelock, California State University, Bakersfield; Sergio Barrera, California State University, Bakersfield; Mark E. De Guzman, University of California-Riverside; Samuel R. Del Rio, California State University, Bakersfield; R. Brandon Pratt, California State University, Bakersfield
10:30 AM
Linking leaf venation networks to the worldwide leaf economics spectrum and paleoclimate
Benjamin Blonder, University of Arizona; Cyrille Violle, CNRS; Lisa D. Patrick, University of Arizona; Brian J. Enquist, University of Arizona
10:50 AM
Evolution of C4 photosynthesis in grasses linked to reduction in the anatomical capacity for stomatal conductance
Samuel H. Taylor, University of Sheffield; Peter J. Franks, University of Sheffield; Stephen P. Hulme, University of Sheffield; Elizabeth Spriggs, Brown University; Pascal-Antoine Christin, University of Sheffield; Erika J. Edwards, Brown University; F. Ian Woodward, University of Sheffield; Colin P. Osborne, University of Sheffield
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