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Oral Session #21: Nutrient cycling: Nitrogen.
Presiding: S. Hart
Monday, August 5. 1:00 PM to 3:45 PM. Grand Ballroom Central, Radisson.
[UNKNOWN: PRESTIME] PHOENIX, GARETH*,1, BOOTH, ROSEMARY1, LEAKE, JONATHAN1, LEE, JOHN1, READ, DAVID1, GRIME, PHILLIP1, 1 University of Sheffield, Sheffield, UK.. Nitrogen dynamics in semi-natural acidic and calcareous grasslands under ambient and enhanced N deposition.
[UNKNOWN: PRESTIME] GILLIAM, FRANK*,1, LYTTLE, NIKKI1, THOMAS, ASHLEY1, ADAMS, MARY BETH2, 1 MARSHALL UNIVERSITY, HUNTINGTON, WV2 USDA FOREST SERVICE, PARSONS, WV. Spatial variability in nitrogen-saturated soils: interactions of cation mobility and substrate quality with N dynamics.
[UNKNOWN: PRESTIME] Perakis, Steven*,1,2, Bullen, Thomas3, Maguire, Doug2, Cromack, Kermit2, Waring, Richard2, 1 USGS Forest and Rangeland Ecosystem Science Center, Corvallis, OR2 Oregon State University, Corvallis, OR3 USGS Water Resources Division, Menlo Park, CA. Forest harvest, N saturation, and potential base cation depletion in coastal Oregon forests .
[UNKNOWN: PRESTIME] Pett-Ridge, Jennifer*,1, Silver, Whendee1, Firestone, Mary1, 1 University of California at Berkeley, Berkeley, CA. Redox and the nitrogen cycle: how oxic/anoxic fluctuation affects nitrogen cycling in a wet tropical soil.
[UNKNOWN: PRESTIME] WEATHERS, KATHLEEN*,1, LOVETT, GARY1, ARTHUR, MARY2, SIMKIN, SAMUEL1, 1 INSTITUTE OF ECOSYSTEM STUDIES, MILLBROOK, NY2 UNIVERSITY OF KENTUCKY, LEXINGTON, KY. Watershed controls on streamwater nitrate concentrations, Catskill Mountains, NY.
[UNKNOWN: PRESTIME] McClain, Michael*,1, Brandes, Jay2, Llerena, Carlos3, Reynel, Carlos3, 1 Department of Environmental Studies, Miami, FL2 Marine Science Institute, Port Aransas, TX3 Facultad de Ciencias Forestales, Lima, Peru. Nitrogen stocks and fluxes in riparian and upland montane forest of the Andean Amazon Basin.
[UNKNOWN: PRESTIME] CHAMBERS, CHRIS*,1, MARSHALL, JOHN1, DANEHY, BOB2, 1 University of Idaho, Moscow, ID2 Boise Cascade Corporation, Boise, ID. Background 15N variation in riparian vegetation in the northern Rocky Mountains.
[UNKNOWN: PRESTIME] Compton, Jana*,1, Hooker, Toby2, Perakis, Steven3, McKane, Robert1, 1 US EPA, Western Ecology Division, Corvallis, OR2 Utah State University, Logan, UT3 USGS, Forest Range and Ecosystem Science Center, Corvallis, OR. Nitrogen distribution and 15N in a 115 year chronosequence of old-field white pine.
[UNKNOWN: PRESTIME] Knops, Johhannes*,1, Wedin, David2, Bradley, Kate1, 1 School of Biological Sciences, Lincoln, NE2 School of Natural Resource Sciences, Lincoln, NE. Positive and negative feedbacks of plant species on ecosystem nitrogen cycling.
[UNKNOWN: PRESTIME] D'Antonio, Carla*,1,2, Corbin, Jeff2, 1 USDA-ARS, REno, Nevada2 University of CA, Dept. of Integrative Biology, Berkeley, CA. Species compositional effects on nitrogen partitioning and recovery in a coastal prairie ecosystem.
[UNKNOWN: PRESTIME] Corbin, Jeffrey*,1, D'Antonio, Carla1,2, Bouchier, Todd1, 1 University of California, Berkeley, Berkeley2 USDA-ARS, Reno, Nevada. Predicting the effects of community composition on nitrogen dynamics in a coastal California grassland.