[UNKNOWN: PRESTIME] Neff, Jason^*,1, Reynolds, Richard¹, Lamothe, Paul¹, Moscato, Silvina¹, Belnap, Jayne², ¹ US Geological Survey, Denver, CO² US Geological Survey, Moab, UT. Does dust matter? Geologic and eolian controls over ecosystem dynamics on the Colorado Plateau.

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[UNKNOWN: PRESTIME] SIMKIN, SAMUEL^*,1, WEATHERS, KATHLEEN¹, LOVETT, GARY¹, LINDBERG, STEVEN², LEWIS, DAVID³, SCHWARZ, KIRSTEN¹, ¹ Institute of Ecosystem Studies, Millbrook, NY² Oak Ridge National Laboratory, Oak Ridge, TN³ University of Massachusetts, Amherst, MA. Scaling-up point measurements of atmospheric deposition to mountainous landscapes: an empirical modeling approach.

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[UNKNOWN: PRESTIME] Porder, Stephen^*,1, Vitousek, Peter¹, Paytan, Adina¹, ¹ Stanford University, Stanford, CA. Impacts of erosion on biogeochemistry: preliminary results from the Hawaiian Islands.

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[UNKNOWN: PRESTIME] Lohse, Kathleen^*,1, ¹ University of California, Berkeley, Berkeley, CA. Effects of soil development on hydrological properties and flow paths in the Hawaiian Islands.

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[UNKNOWN: PRESTIME] Bern, Carleton^*,1,2, Townsend, Alan^1,2, Farmer, G. Lang¹, Cleveland, Cory^1,2, ¹ University of Colorado, Boulder, CO² Institute for Arctic and Alpine Research, Boulder, CO. Substantial weathering-derived sources of strontium in a lowland tropical rainforest on 40 million-year-old soils.

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[UNKNOWN: PRESTIME] JOBBAGY, ESTEBAN^*,1,2, JACKSON, ROBERT^1,3, ¹ Department of Biology, Durham, NC² Facultad de Agronomia, Buenos Aires, Argentina³ Nicholas School of the Environment, Durham, NC. Patterns and mechanisms of soil acidification in the conversion of grasslands to forests.

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[UNKNOWN: PRESTIME] Smith, Elizabeth^*,1, Matamala, Roser², Jastrow, Julie², Miller, R.², Gonzalez-Meler, Miquel¹, ¹ University of Illinois at Chicago, Chicago, Illinois² Argonne National Laboratory, Argonne, Illinois. Evidence of different C3 and C4 carbon turnover rates in soils from a tallgrass prairie chronosequence.

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[UNKNOWN: PRESTIME] SALA, OSVALDO^*,1, AUSTIN, AMY¹, LAUENROTH, WILLIAM², BURKE, INDGRID², ¹ University of Buenos Aires, Buenos Aires, Argentina² Colorado State University, Fort Collins, Colorado. Spatial heterogeneity and carbon cycling in the Patagonian steppe.

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[UNKNOWN: PRESTIME] CHILDERS, DANIEL^*,1, IWANIEC, DAVID¹, MADDEN, CHRIS², NOE, GREGORY¹, RONDEAU, DAMON¹, RUBIO, GUSTAVO¹, VERDON, EMILIE¹, ¹ Florida International University, Miami, FL² South Florida Water Management District, West Palm Beach, FL. Isolating biogeochemical and hydrologic effects of increasing freshwater inputs to Everglades wetlands using long-term sawgrass productivity data.

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[UNKNOWN: PRESTIME] CHAN, FRANCIS^*,1, MENGE, BRUCE¹, NIELSEN, KARINA, LUBCHENCO, JANE¹, ¹ Partnership for the Interdisciplinary Studies of Coastal Oceans, Oregon State University, Corvallis, OR. Nutrient use efficiency by phytoplankton in a coastal upwelling ecosystem: Patterns along the Oregon Coast .

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