Wednesday Morning
Time	Session	Location	Title
0830	B31D	MCC Level 1	Ecosystems in Flux: Isotopes as Indicators of Ecosystem Change I Posters (joint with A, H, OS) Presiding: H Jahren, Johns Hopkins University; T W Boutton, Texas A&M University    [Session PDF]
0830	B31D-0324	MCC Level 1	Examination of an Oligocene Lacustrine Ecosystem Using C and N Stable Isotopes *M K Schweizer, M J Wooller, J Toporski, M Fogel, A Steele POSTER    [details]
0830	B31D-0325	MCC Level 1	Distribution and Sources of Lignin Monomers in Late Quaternary Sediments From Southwestern Coastal Plain of Taiwan *H Ku, Y Chen, T R Filley, T Liu POSTER    [details]
0830	B31D-0326	MCC Level 1	Soil gas 13C Values and CO2 Concentrations on the Southeast Slope of Mauna Kea: Implications for Palaeoclimate and Hydrogeology *E R Smid, D M Thomas POSTER    [details]
0830	B31D-0327	MCC Level 1	Drought Cycles in Northern New Mexico, Isotopic Evidence of Forest Stress *J E Fessenden, C E Valdez, J M Heikoop, D D Breshears, M H Ebinger, C D Allen POSTER    [details]
0830	B31D-0328	MCC Level 1	Tree-ring Indices and Isotope Signatures of Pinus ponderosa Related to Historic Ozone Changes Outside Los Angeles *J W Gregg, J R Brooks, E H Lee, N E Grulke POSTER    [details]
0830	B31D-0329	MCC Level 1	Tracking Urban Air Deterioration in San Francisco: Carbon and Nitrogen Isotope Study of Weedy Plants. *A S Colman, A Wessells, M E Swaine, M L Fogel POSTER    [details]
0830	B31D-0330	MCC Level 1	Woody Plant Invasion of Grassland: Changes in Whole-Soil Carbon Storage and Dynamics *T W Boutton, J D Liao POSTER    [details]
0830	B31D-0331	MCC Level 1	Woody Plant Invasion of Grassland: Storage and Turnover of Carbon in Soil Physical Fractions *J D Liao, T W Boutton, J D Jastrow POSTER    [details]
0830	B31D-0332	MCC Level 1	Woody Plant Invasion of Grassland: Lignin and Aliphatic Biopolymer Chemistry and Carbon Isotope Composition in Physical Fractions D Gamblin, T Boutton, J Liao, J Jastrow, *T Filley POSTER    [details]
0830	B31D-0333	MCC Level 1	A Soil Carbon Cycle Without Life?: The Content and Residence Times of Organic and Inorganic Carbon in the Atacama Desert of Chile *R G Amundson, R Navarro-Gonzalez, S A Ewing POSTER    [details]
0830	B31D-0334	MCC Level 1	Large Scale Structural Sequestration of Subsurface Soil Organic Carbon *J Sanderman, S A Ewing, R G Amundson, W T Baisden I POSTER    [details]
0830	B31D-0335	MCC Level 1	N isotope fractionation and measures of organic matter alteration during decomposition *M G Kramer, P Sollins, R S Sletten, P K Swart POSTER    [details]
0830	B31D-0336	MCC Level 1	Differentiating Nitrification and Denitrification Sources of Nitrous Oxide Based on the Isotopomeric Composition *R L Sutka, A J Pitt, N E Ostrom, P H Ostrom, H Gandhi, J Breznak, T Bergsma POSTER    [details]
0830	B31D-0337	MCC Level 1	Nitrogen Addition Reduces Decomposition of Native Recalcitrant Soil Carbon Under Plants With High Root Lignin and Low Cell Soluble Content *F A Dijkstra, S E Hobbie, J M Knops, P B Reich POSTER    [details]
0830	B31D-0338	MCC Level 1	$^{15}$N/$^{14}$N Variation in CalCOFI Zooplankton: A 51 year history of Marine Nitrogen Dynamics and Climate Variability off Central California *G H Rau, M D Ohman, A Pierrot-Bults POSTER    [details]
0830	B31D-0339	MCC Level 1	Nitrogen and Oxygen Isotopic Detection of Nitrate in Seawater by Chemical Conversion of Nitrate to Nitrous Oxide *M McIlvin, M Altabet POSTER    [details]
0830	B31D-0340	MCC Level 1	Stable Isotope Analyses of Phosphate Oxygen From Micro-samples of Biological Apatite: A new Routine Procedure for Silverphosphate Micro-precipitation and the Removal of Organic Contamination *F B Wiedemann-Bidlack, A S Colman, M L Fogel POSTER    [details]
0830	B31D-0341	MCC Level 1	A Time Series Investigation of the Oxygen Isotopic Composition of Dissolved Inorganic Phosphate in Monterey Bay Seawater *K McLaughlin, A Paytan, C Kendall, S Silva, F Chavez, T Pennington POSTER    [details]
0830	B31D-0342	MCC Level 1	Sulfur Biogeochemistry and Isotope Fractionation in Shallow Groundwater of Owens Dry Lake, California *J Ryu, R A Zierenberg, R A Dahlgren, S Gao POSTER    [details]
0830	B31D-0343	MCC Level 1	Analysis of growth and tissue replacement rates by stable sulfur isotope turnover. *L S Arneson, S A Macko, S E MacAvoy POSTER    [details]