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685 Symposium --Nutrient Budgets in the Balance: What Have We Learned?

Oral Session
S07 Forest, Range & Wildland Soils
This is one of the two S7 sponsored symposium. Presentations are proposed as 20 minute.
Tuesday, 7 October 2008: 8:00 AM-12:25 PM
George R. Brown Convention Center, 362C

Presiding:
Charles Rhoades and Jennifer Knoepp
8:00 AM
Introductory Remarks
8:10 AM
685-1
Determination of the Biomass Term in Watershed Geochemical Mass Balance Methods from Soil and Bedrock Bulk Chemistry.
Jason Price, Millersville University; Christopher Hardy, Millersville University
8:35 AM
685-2
Major Elements from Minor Minerals: Garnet and Epidote in Watershed Calcium Budgets.
Michael A. Velbel, Michigan State University
9:00 AM
685-3
Mobilization of Silica in Terrestrial Grassland Ecosystems and the Potential Impact on the Global Silica Cycle.
Susan Melzer-Drinnen, Colorado State Univ.; E.F. Kelly, Colorado State Univ.; S.W. Blecker, University of Idaho; Oliver Chadwick, University of California; A.K. Knapp, Colorado State Univ.
9:25 AM
685-4
Fifty Years of Forest Carbon Budgets at the Calhoun Experimental Forest.
Megan Mobley, Duke University; Daniel Richter, Duke University
9:50 AM
Break
10:05 AM
685-5
A Gray Box Approach to Nutrient Budgets: Watershed Subsystems and the Biogeochemical Continuum.
H. Maurice Valett, Virginia Tech; E. N. Jack Brookshire, Princeton University; Emily Bernhardt, Duke University
10:30 AM
685-6
Controls on Dissolved Organic Carbon Transport in Forested Headwater Streams.
Stephen D. Sebestyen, USDA Forest Service; Randall Kolka, USDA Forest Service
10:55 AM
685-7
Estimating Uncertainty in Ecosystem Budgets.
Ruth Yanai, SUNY College of Environmental Science and Forestry; Mary Arthur, University of Kentucky; Steven Hamburg, Brown University; Matthew Vadeboncoeur, University of New Hampshire; Joel D. Blum, University of Michigan; Farrah Fatemi, University of Maine
11:20 AM
685-8
What the Nutrient Cycling Model (NuCM) Tells Us about Nutrient Budgets.
Dale Johnson, Univ. of Nevada, Reno
11:45 AM
685-9
The Effect of Atmospheric Nitrogen Deposition on Plant and Soil Carbon Sequestration and Nitrous Oxide Emissions for Seven Ecosystems in the United States.
Melannie D. Hartman, Colorado State University; Jill Baron, Colorado State University
12:10 PM
Discussion
12:25 PM
Adjourn
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