94th ESA Annual Meeting (August 2 -- 7, 2009)

PS 45-39

Global distribution of gaseous nitrogen losses from the unmanaged terrestrial biosphere: results from a stable nitrogen isotope model
Edith Bai, Instituted of Applied Ecology, Chinese Academy of Sciences; Benjamin Z. Houlton, University of California, Davis; Yingping Wang, CSIRO Marine and Atmospheric Research

PS 45-40

Global change factors interact with fungal endophyte symbiosis to determine tall fescue litter chemistry
Glade B. Brosi, University of Kentucky; Jim A. Nelson, University of Kentucky; Rebecca L. McCulley, University of Kentucky; Aimee T. Classen, University of Tennessee, Knoxville; Richard Norby, Oak Ridge National Laboratory

PS 45-41

Effects of elevated CO₂ on soil trace gas (CH₄, N₂O and NO) fluxes in a scrub oak ecosystem at Kennedy Space Center, FL, USA
Anne E. Hartley, Florida Gulf Coast University; Rosvel Bracho, University of Florida; Daniel B. Stover, US Department of Energy

PS 45-42

Biodiversity, nitrogen deposition and CO₂ effects on carbon storage in grassland soils
Joseph Pignatello Reid, University of Minnesota - Twin Cities; E. Carol Adair, University of Vermont; Sarah E. Hobbie, University of Minnesota; Peter B. Reich, University of Minnesota

PS 45-43

Importance of gaseous N losses to the nitrogen budget of chaparral ecosystems of the Sierra Nevada, California
Peter M. Homyak, University of California, Santa Barbara; James O. Sickman, UC Riverside; Amy E. Miller, National Park Service; John Melack, University of California, Santa Barbara; Kevin Skeen, University of California, Santa Barbara

PS 45-44

Soil moisture regime and soil type affect the decomposition of graminoid litter grown under three levels of atmospheric CO₂
Virginia L. Jin, USDA-ARS; Richard L. Haney, USDA, Agricultural Research Service; Philip A. Fay, USDA, Agricultural Research Service; Wayne H. Polley, USDA, Agricultural Research Service

PS 45-45

The effect of variable snowpack and tree girdling on soil carbon cycling in a subalpine forest
Nicole A. Trahan, University of Wyoming; Stanfield Y. Lee, University of Colorado; David R. Bowling, University of Utah; Russell K. Monson, University of Arizona

PS 45-46

Examining seasonal substrate and moisture limitation to soil respiration using field amendments
Erin M. Berryman, University of Idaho; John D. Marshall, Swedish University of Agricultural Sciences

PS 45-47

Does soil type affect soil nitrogen response to changing CO₂ concentrations?
Alexia M. Kelley, North Carolina State University; Philip A. Fay, USDA, Agricultural Research Service; H. Wayne Polley, USDA, Agricultural Research Service; Robert B. Jackson, Stanford and Duke universities

PS 45-48

The role of carbon and nitrogen linkages in grassland recovery from 9 years of drought
Sarah E. Evans, Michigan State University; Ingrid C. Burke, University of Wyoming; William K. Lauenroth, University of Wyoming; Joseph C. von Fischer, Colorado State University; Matthew D. Wallenstein, Colorado State University

PS 45 - Biogeochemistry: C and N Cycling in Response to Global Change