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Oral Session # 24: Photosynthesis and Respiration.
Presiding: A Leakey
Tuesday, August 5. 8:00 AM to 11:30 AM, SITCC Meeting Room 203.
8:00 AM Posada, Juan*,1, Mulkey, Stephen1, Kitajima, Kaoru1, 1 University of Florida, Gainesville, Florida Distributions of leaf carbon gain in the crowns of three tropical tree species.
8:15 AM Moore, David*,1, Aref, Susanne1, Finzi, Adrien2, Hamilton, Jason3, Pippen, Jeffrey 4, Ho, Moon-ho1, DeLucia, Evan1, 1 University of Illinois - Urbana-Champaign, Urbana, IL2 Boston University, Boston, MA3 Ithaca College, Ithaca, NY4 Duke University, Durham, NC Inter-annual variation in the response of tree growth and productivity to exposure to elevated [CO2].
8:30 AM Kitajima, Kaoru*,1, 4, Kikuzawa, Kihachiro2, Ackerly, David3, Mulkey, Stephen1, Wright, Joseph4, 1 University of Florida, Gainesville, FL4 Smithsonian Tropical Research Institute, Balboa, Panama2 Kyoto University, Kyoto, Japan3 Stanford University, Stanford, CA Leaf-age effect on photosynthetic rates as a key parameter in the theory of leaf longevity.
8:45 AM LI, J. -H.*,1, LINKE, R. B.2, MADRITSCH, A. 2, MEISTER, M. H. 2, HINKLE, C. R. 3, DRAKE, B. G. 1, 1 Smithsonian Environmental Research Center, Edgewater, MD 21037, USA2 University of Vienna, A-1090, Vienna, Austria3 Dynamac Corp., Kennedy Space Center, FL 32899, USA Photosynthetic acclimation of scrub-oaks to long-term elevated CO2: A summary of seven years.
9:00 AM Hamerlynck, Erik1, Huxman, Travis2, 1 Department of Biological Sciences, Newark, NJ, USA2 Department of Ecology and Evolutionary Biology, Tucson, AZ, USA Topography/canopy effects on the photochemical performance of jojoba, a broad-leaved Sonoran Desert evergreen shrub.
9:15 AM Pippen, Jeffrey*,1, Schlesinger, William1, Wallenstein, Matthew1, Klepeis, Debra 2, Mahall, Bruce2, 1 Nicholas School of the Environment and Earth Sciences, Durham, NC, USA2 Department of Ecology, Evolutionary and Marine Biology, Santa Barbara, CA, USA Community composition and photosynthetic rate of photoautotrophs under quartz pebbles in the southern Mojave Desert, California.
9:30 AM Kim, Hyun-Seok1, 2, Oren, Ram1, Hinckley, Thomas2, 1 Duke University, Durham, NC, USA2 University of Washington, Seattle, WA, USA Comparison between potential and actual net assimilation of hybrid poplar in eastern Washington.
9:45 AM Break.
10:00 AM St.Clair, Samuel*,1, Lynch, Jonathan 1, 1 Penn State University, University Park, PA, USA Photochemical responses of sugar maple and red maple seedlings to excess manganese in contrasting light environments.
10:15 AM Teskey, Robert*,1, McGuire, Mary Anne 1, 1 University of Georgia, Athens, GA A mass balance approach for calculating stem respiration in trees.
10:30 AM Erickson, John*,1, Kruger, Eric1, Stanosz, Glen1, 1 University of Wisconsin-Madison, Madison, WI, USA Consequences of a fungal leaf spot on photosynthesis of two hybrid poplar cultivars.
10:45 AM Manish, Chintamani*,1, Peterjohn, William1, 1 West Virginia University, Morgantown, West Virginia Interactive effects of UV radiation and N availability on the growth of Quercus rubra seedlings.
11:00 AM Germino, Matthew*,1, Smith, William2, Craig, Brodersen2, Johnson, Dan2, 1 Idaho State University, Pocatello, ID2 Wake Forest University, Winston-Salem, NC Photosynthetic variation in young and old conifers across an alpine-treeline ecotone.
11:15 AM Duursma, Remko*,1, Nippert, Jesse 2, Marshall, John1, 1 University of Idaho, Moscow, ID, USA2 Kansas State University, Manhattan, KS, USA Eight months of chlorophyll fluorescence measurements on six conifer species on an altitudinal gradient in northern Idaho.