Oral Session #40: Elevated CO₂ In Forest Systems.

Presiding: K.K. Treseder, University of California, Riverside.
Tuesday, August 8, 2000
8:00 AM to 12:15 PM
Maybird Room - Cliff Lodge

8:00 AM	Elevated CO2 concentrations enhance frost damage to eucalypt seedlings under field conditions. EGERTON, J.J.G. , C.J. HOLLY, W.E. PIPPEN, M.C. BALL
8:15 AM	Response of growth and nitrate reductase activity in trees to elevated CO2 varies with mycorrhizal status. CONSTABLE, J.V.H. , H. BASSIRIRAD
8:30 AM	Carbon sink activity and nitrogen nutrition of ectomycorrhizal roots in response to elevated CO2. LANGLEY, A. , B.A. HUNGATE
8:45 AM	The effects of elevated CO2 on nitrogen cycling in a scrub oak ecosystem: An integrated study using a long-term 15N tracer. HUNGATE, B.A. , P. DIJKSTRA, G. HYMUS, J.A. LANGLEY, D.W. JOHNSON, B.G. DRAKE
9:00 AM	Insect herbivory in an intact forest understory under experimental CO2 enrichment. HAMILTON, J.G. , A.R. ZANGERL, M.R. BERENBAUM, E.H. DELUCIA
9:15 AM	Effects of elevated CO2 on nutrient cycling in a sweetgum plantation. JOHNSON, D.W. , R.J. NORBY, W. CHENG, J.D. JOSLIN, D.E. TODD, N.T. EDWARDS, E.G. O'NEILL
9:30 AM	Variation in biomass increase of understory saplings exposed in situ to elevated CO2, HARTZ-RUBIN, J.S. , E.H. DELUCIA
9:45 AM	Late season photosynthesis, chemistry and phenology of sun and shade leaves of sweetgum (Liquidambar styraciflua L.) trees after two years of CO2 enrichment. HERRICK, J.D. , R.B. THOMAS
10:00 AM	Break
10:15 AM	Will rising CO2 affect forest succession? MOHAN, J.E. , J.S. CLARK, W.H. SCHLESINGER
10:30 AM	The relationship between mesophyll conductance and photosynthetic acclimation to elevated CO2. SINGSAAS, E.L. , D.R. ORT, E.H. DELUCIA
10:45 AM	Functional response of rhizosphere microbial communities at the Duke and Oak Ridge FACE experiments. LONG, T.M. , R.L. SINSABAUGH
11:00 AM	Progressive nitrogen limitation of plant and ecosystem responses to elevated CO2: A reexamination. LUO, Y.
11:45 AM	Reproductive response of Pinus taeda in a Free-Air Carbon Dioxide Enrichment experiment. LADEAU, S.L. , J.S. CLARK, I. IBANEZ
12:00 PM	Modeling autotrophic respiration for the DUKE forest: What the CO2-induced alterations implicate. GRUETERS, U. , J. KATTGE, Y. LUO