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PARENT SESSION
Oral Session #10: Elevated CO2.
Presiding: D. Hileman
Monday, August 5. 8:00 AM to 11:30 AM. Grand Ballroom East, Radisson.

[UNKNOWN: PRESTIME] Wolf, Julie*,1,4, Johnson, Nancy1, Rowland, Diane2, Reich, Peter3, 1 Northern Arizona University, Flagstaff, AZ4 email correspondance to Julie.Wolf@NAU.EDU2 USDA-ARS, Dawson, GA3 University of Minnesota, St. Paul, MN. Everything but the carbon sink: AM fungi have specific and transient responses to elevated CO2 .

FULL ABSTRACT

[UNKNOWN: PRESTIME] BASSIRIRAD, HORMOZ*,1, SEHTIYA, HARBANS2, 1 UNIVERSITY OF ILLINOIS AT CHICAGO, CHICAGO, IL2 HARYANA AGRICULTURAL UNIVERSITY RRS, KARNAL, IN. Root nitrogen and water fluxes to the shoot are influenced by growth CO2.

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[UNKNOWN: PRESTIME] George, Kate*,1, Norby, Rich2, DeLucia, Evan3, 1 Forest Science Department, Corvallis, OR2 Environmental Sciences Division, Oak Ridge, TN3 Department of Plant Biology, Urbana, IL. Maintenance, growth and nitrogen-uptake respiration of loblolly pine and sweetgum fine roots growing in elevated CO2.

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[UNKNOWN: PRESTIME] Bernhardt, Emily*,1, Hemric, Heather1, Schlesinger, William1, 1 Duke University, Durham, NC. Effects of elevated CO2 and nitrogen levels on root exudation by loblolly pine.

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[UNKNOWN: PRESTIME] MCCARTHY, HEATHER*,1, PALMROTH, SARI1, OREN, RAM1, SCHAFER, KARINA1, 1 Duke University, Durham, NC. Effects of elevated CO2 and nutrient supplies on carbon allocation in a pine forest.

FULL ABSTRACT

[UNKNOWN: PRESTIME] Marshall, John*,1, Linder, Sune2, 1 University of Idaho, Moscow, Idaho2 Department for Production Ecology, Uppsala, Sweden. Isotopic reconstruction of gas-exchange responses to whole-tree CO2 enrichment in northern Sweden.

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[UNKNOWN: PRESTIME] DeMarco, Jennie*,1, Edgar, Colin1, Koch, George1, 1 Northern Arizona University, Flagstaff, AZ. Stomatal response to CO2 in conifers of semi-arid regions.

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[UNKNOWN: PRESTIME] BARKER, DAVID*,1, EGERTON, JOHN1, BALL, MARILYN1, 1 CRC for Greenhouse Accounting, Research School of Biological Sciences, Australian National University, Canberra, A.C.T., Australia. Effects of elevated [CO2] on leaf physiology and phenology on over-wintering Eucalyptus.

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[UNKNOWN: PRESTIME] . Break.

[UNKNOWN: PRESTIME] Hamerlynck, Erik*,1, Huxman, Travis2, Charlet, Therese3, Smith, Stanley3, 1 Department of Biological Sciences, Newark, NJ2 Department of Ecology and Evolutionary Biology, Tucson, AZ3 Department of Biological Sciences, Las Vegas, NV. Photosynthetic responses of a Mojave Desert drought-deciduous shrub under carbon dioxide enrichment.

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[UNKNOWN: PRESTIME] Moore, David*,1,3, Mohan, Jacqueline2, DeLucia, Evan1, 1 Univeristy of Illinois, Urbana-Champaign, IL3 University of Illinois, Urbana-Champaign, IL2 Duke University, Durham, NC. No evidence for down-regulation of photosynthesis in 11 tree species in a forest understory exposed to Free Air Carbon-dioxide Enrichment (FACE).

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[UNKNOWN: PRESTIME] EGERTON, JOHN*,1, BARKER, DAVID1, BALL, MARILYN1, 1 CRC for Greenhouse Accounting, Research School of Biological Sciences, Australian National University., Canberra, ACT, Australia. Elevated [CO2] adversely affects spring growth in seedlings of the broad-leaf evergreen Eucalyptus pauciflora.

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[UNKNOWN: PRESTIME] Springer, Clint*,1, DeLucia, Evan2, Thomas, Richard1, 1 West Virginia University, Morgantown, WV2 University of Illinois, Urbana, IL. Photosynthesis versus nitrogen relationships at the Duke Forest FACE experiment indicate no evidence of photosynthetic acclimation after five years of CO2 enrichment .

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[UNKNOWN: PRESTIME] Tyler, Anna*,1, Marshall, Diane1, 1 University of New Mexico, Albuquerque, New Mexico. Elevated CO2 increases siring success and pollen production in Raphanus sativus, wild radish.

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