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

PS 44 - Biogeochemistry: Atmospheric N Deposition Effects

Wednesday, August 5, 2009: 5:00 PM-6:30 PM

Exhibit Hall NE & SE, Albuquerque Convention Center

PS 44-34

An unusual soil layer and its impact on nitrogen movement in Loch Vale Watershed, Colorado
Sabrina Kleinman, Northern Arizona University; Jill Baron, Natural Resource Ecology Laboratory, United States Geological Survey

PS 44-35

The increase of CO₂ uptake partially offset by stimulated N₂O and CH₄ emission under nitrogen enrichment: A quantitative meta-analysis
Lingli Liu, Institute of Botany, Chinese Academy of Sciences; Tara L. Greaver, US Environmental Protection Agency

PS 44-36

Empirical and modeling approaches to setting critical loads for N deposition in southern California shrublands
Edith B. Allen, University of California, Riverside; Leela E. Rao, University of California, Riverside; Mark E. Fenn, USDA Forest Service; Andrzej Bytnerowicz, USDA Forest Service; Gail Tonnesen, University of California, Riverside

PS 44-37

Fungal associations of two dominant plant species in alpine tundra may explain differential abundance responses to nitrogen fertilization
Savannah Stansbury, University of New Mexico; Katharine N. Suding, University of California at Berkeley; Robert Sinsabaugh, University of New Mexico; Andrea Porras-Alfaro, Western Illinois University

PS 44-38

Effects of nitrogen, phosphorous, and potassium (N and NPK) fertilization on leaf morphology and photosynthesis for evergreen and deciduous shrubs in a boreal peatland
Rose M. Smith, Marine Biological Laboratory; Sari Juutinen, University of Helsinki; Jill L. Bubier, Mount Holyoke College; Tim R. Moore, McGill University

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