8:00 AM

Buchmann, Nina*,1, Barnard, Romain1, Salmon, Yann1, Kodama, Naomi2, Weston, Christopher3, Rost, Jutta4, Gessler, Arthur5, 6, 1 ETH Zurich, Institute of Plant Sciences, Zuerich, Switzerland2 University of Freiburg, Freiburg, Germany3 University of Melbourne, Creswick, Victoria, Australia4 University of Freiburg, Freiburg, Germany5 INRA, Centre de Recherche de Nancy, Champenoux, France6 Australian National University, Canberra, Australia, Environmental and physiological controls of oxygen isotope signals in water and organic matter result in varying time lags among different plant compartments.

FULL ABSTRACT

8:20 AM

Cavaleri, Molly*,1, Ryan, Michael1, 2, Oberbauer, Steven3, Clark, David4, Clark, Deborah4, 1 Colorado State University, Fort Collins, CO2 U.S.D.A. Forest Service Rocky Mountain Research Station, Fort Collins, CO3 Florida International University, Miami, FL4 University of Missouri, St. Louis, St. Louis, MO, Relationships between foliar respiration, temperature, nutrients, and photosynthesis in a primary tropical rain forest.

FULL ABSTRACT

8:40 AM

Heisler, Jana*,1, Knapp, Alan1, Kelly, Eugene*,1, 1 Colorado State University, Fort Collins, CO, USA, Altered precipitation regimes and aboveground net primary production in a semi-arid grassland.

FULL ABSTRACT

9:00 AM

Mortazavi, Behzad*,1, Chanton, Jeffrey2, Smith, Matthew3, 1 Florida State University, Tallahassee, FL2 Florida State University, Tallahassee, FL3 Florida State University, Tallahassee, FL, A year-long 13C labeling experiment reveals that a long-term carbon pool contributes to nighttime foliage respiration.

FULL ABSTRACT

9:20 AM

Ward, Eric*,1, Sigurdsson, Bjarni2, Linder, Sune3, Oren, Ram1, 1 Duke University, Durham, NC2 Agricultural University of Iceland, Borgarnes, Iceland3 Swedish University of Agricultural Sciences, Alnarp, Sweden, Linking hydraulic architecture to stomatal conductance: the influence of nutrient supply in mature Norway spruce (Picea abies) trees.

FULL ABSTRACT

9:40 AM

, Break.

9:50 AM

Felzer, Benjamin*,1, William, Matthew2, Melillo, Jerry1, Kicklighter, David1, Zhuang, Qianlai3, Rastetter, Edward1, Prinn, Ronald4, 1 The Ecosystems Center, Woods Hole, MA2 University of Edinburgh, Edinburgh, United Kingdom3 Purdue University, West Lafeyette, IN4 Massachusetts Institute of Technology, Cambridge, MA, The role of evapotranspiration on carbon dynamics and ozone uptake on temperate forests in the US.

FULL ABSTRACT

10:10 AM

Pangle, Luke *,1, Vose, James2, Teskey, Robert1, 1 University of Georgia, Athens, GA2 USDA Forest Service Coweeta Hydrologic Laboratory, Otto, NC, The relationship between intercepted solar radiation and aboveground net primary productivity in two southern Appalachian forests.

FULL ABSTRACT

10:30 AM

McGuire, Mary Anne1, Teskey, Robert*,1, 1 University of Georgia, Athens, Georgia, USA, Effects of sap velocity and diameter on CO2 fluxes and respiration of sycamore (Platanus occicentalis L) shoots.

FULL ABSTRACT