Friday, August 10, 2007: 8:00 AM-11:30 AM
San Carlos I, San Jose Hilton
COS 155 - Plant physiological ecology: Temperature effects, growth relations
8:00 AMCOS 155-1Protein:RNA ratios and N:P stoichiometry of “pygmy” and normal pines: A test of the growth-rate hypothesis
Virginia Matzek, Santa Clara University, Peter M. Vitousek, Stanford University
8:20 AMCOS 155-2Functional ecology of dauciform roots in sedges (Carex: Cyperaceae)
Wenli Ji, Northwest Sci-Tech University of Agriculture & Forestry, Martin J. Lechowicz, McGill University, Marcia J. Waterway, McGill University
8:40 AMCOS 155-3Environmental variables influence the foliar concentration and emission of mono- and sesquiterpenes in lemon verbena (Aloysia citriodora)
Rebekah E. Chapman, University of Georgia, James M. Affolter, The State Botanical Garden of Georgia, Stanley J. Kays, University of Georgia
9:00 AMCOS 155-4Tree height and interannual growth variation: Are tall trees more sensitive?
Michael B. Barber, Northern Arizona University, George W. Koch, Northern Arizona University
9:20 AMCOS 155-5Calcium addition at the Hubbard Brook Experimental Forest increases sugar storage, antioxidant activity, and cold tolerance in native red spruce (Picea rubens Sarg)
Joshua M. Halman, University of Vermont, Paul G. Schaberg, Forest Service, US Department of Agriculture, Gary J. Hawley, University of Vermont, Christopher Eagar, US Department of Agriculture
9:40 AM Break
9:50 AMCOS 155-6Freezing tolerance in high and low latitude populations of Larrea tridentata: Evidence for local adaptation to long-term minimum temperature
Juliana S. Medeiros, University of New Mexico
10:10 AMCOS 155-7Does temperature acclimation dictate spatially explicit physiological activity and carbon uptake along vertical canopy gradients?
William L. Bauerle, Clemson University, Joseph D. Bowden, Clemson University, G. Geoff Wang, Clemson University
10:30 AMCOS 155-8Root freezing injury as a possible contributor to yellow-cedar decline
Paul G. Schaberg, Forest Service, US Department of Agriculture, Paul E. Hennon, Forest Service, David V. D'Amore, Forest Service, Gary J. Hawley, The University of Vermont
10:50 AMCOS 155-9Frost tolerance and extracellular ice formation in needles of Pinus radiata
John S. Roden, Southern Oregon University, Marilyn C. Ball, The Australian National University, Martin J. Canny, The Australian National University

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