93rd ESA Annual Meeting (August 3 -- August 8, 2008)

PS 4-65

Elevated atmospheric CO₂ concentrations do not alter net nitrogen mineralization rates in a CO₂ enriched sweetgum forest
Aimée T. Classen, Oak Ridge National Laboratory; Colleen Iversen, Oak Ridge National Laboratory; Caitlin R. Guthrie, Pomona College; Richard J. Norby, Oak Ridge National Laboratory

PS 4-66

Understanding stress effects on ecosystem function: The influence of anthropogenic acidification on nitrogen cycling in headwater streams
Damon T. Ely, Virginia Polytechnic Institute and State University; Daniel Von Schiller, Centre d'Estudis Avançats de Blanes Spanish Council for Scientific Research (CSIC); H. Maurice Valett, University of Montana

PS 4-67

Hemlock woolly adelgid damage increases soil nitrogen cycling, causing nitrate leaching into mountain streams
Jason F. Cessna, Gettysburg College; Caroline B. Nielsen, Gettysburg College

PS 4-68

Seasonal variation in denitrification in a small eutrophic reservoir: Lacamas Lake, Camas, Washington
Bridget R. Deemer, Washington State University Vancouver; John A. Harrison, Washington State University Vancouver

PS 4-69

Model simulation analysis of nitrogen cycle in East Asian temperate forests under changing environment
Motoko Inatomi, Japan Agency for Marine-Earth Science and Technology; Akihiko Ito, National Institute for Environmental Studies

PS 4-70

Interaction of soil type and atmospheric carbon dioxide on grassland soil pore water nitrogen concentrations
Alexia M. Kelley, North Carolina State University; Philip A. Fay, USDA, Agricultural Research Service; Virginia L. Jin, USDA-ARS; H. Wayne Polley, USDA, Agricultural Research Service; Rob Jackson, Stanford and Duke universities

PS 4-71

Characterization of nitrogen dynamics in remnant and engineered floodplain features within urban restored streams
Melanie D. Harrison, University of Maryland Baltimore County; Peter M. Groffman, Cary Institute of Ecosystem Studies

PS 4-72

Effect of nitrogen availability on spatial distributions of creosotebush (Larrea tridentata) in two desert ecosystems
Sara Mullen, St. Olaf College; Allison Johnson, St. Olaf College; Aileen Crumley, St. Olaf College; Steven Freedberg, St. Olaf College; John D. Schade, National Science Foundation

PS 4-73

PS 4-74

Ecosystem-level consequences of mutualist partner choice in Alnus tenuifolia growing along the Tanana River in interior Alaska
Roger W. Ruess, Institute of Arctic Biology; Donald L. Taylor, Institute of Arctic Biology; Jack W. McFarland, Institute of Arctic Biology; Michael D. Anderson, Institute of Arctic Biology; Knut Kielland, Institute of Arctic Biology

PS 4-75

Autumn fluxes of nitrogen oxides from Oregon coastal forest soils
Heather E. Erickson, Consulting Research Ecology; Steven Perakis, US Geological Survey

PS 4 - Cycling: Nitrogen