8:00 AM

Hamilton, Jason*,1, Sparks, Jed2, Gattis, Adam1, Elich, Lauren1, Woodring, Valerie1, DeLucia, Evan3, 1 Ithaca College, Ithaca, NY2 Cornell University, Ithaca, NY3 University of Illinois, Urbana, IL, Elevated atmospheric CO2 alters trophic interactions among web-building spiders, insects and plants: a stable isotope analysis.

FULL ABSTRACT

8:20 AM

McCluney, Kevin*,1, Sabo, John1, 1 Arizona State University, Tempe, AZ, The water web: a new approach to community ecology - preliminary results from stable water isotopes and lab experiments.

FULL ABSTRACT

8:40 AM

Vallano, Dena *,1, Sparks, Jed1, 1 Cornell University, Ithaca, NY, Assessing foliar incorporation of atmospheric nitrogen pollution using foliar 15N signatures: the role of plant nitrogen reduction strategy.

FULL ABSTRACT

9:00 AM

Schwartz, Egbert*,1, 1 Northern Arizona University, Flagstaff, AZ, Identification of newly grown microorganisms in soil through stable isotope probing with 18O-water.

FULL ABSTRACT

9:20 AM

McFadden, Kate*,1, Gompper, Matthew2, Medellin, Rodrigo 3, Sambrotto, Raymond4, 1 National Oceanic and Atmospheric Administration (NOAA), Silver Spring, MD2 University of Missouri, Columbia, MO3 Universidad Nacional Autónoma de Mexico, Mexico City, Mexico4 Columbia University, Palisades, NY, USA, Feeding habits of a dwarf insular carnivore (Procyon pygmaeus) using stable isotope and fecal analyses.

FULL ABSTRACT

9:40 AM

, Break.

9:50 AM

Bump, Joseph*,1, Fox-Dobbs, Kena2, Peterson, Rolf 1, Koch, Paul2, Vucetich, John1, Bada, Jeffrey3, 1 Michigan Technological University, Houghton, MI, USA2 University of California - Santa Cruz, Santa Cruz, CA, USA3 Scripps Institute of Oceanography, La Jolla, CA, USA, Does variation in stable isotope values decrease at higher trophic positions?

FULL ABSTRACT

10:30 AM

Burgess, Macdonald *,1, Brown, Kim, 1 Ohio University, Athens, OH, Stable isotope methods for determining the water sources of an old-growth eastern deciduous forest and predicting the effects of longwall coal mining on a forest ecosystem.

FULL ABSTRACT

10:50 AM

Marshall, John*,1, Kavanagh, Kathleen1, Alisa, Schotzko1, Duursma, Remko2, 1 Department of Forest Resources, Moscow, ID, USA2 Department of Forest Ecology, Helsinki, Finland, Can 13C and 15N of leaf litter be used to infer canopy isotopic composition?

FULL ABSTRACT