Session: Ecosystem N and P Dynamics

Monday, November 2, 2009: 9:55 AM-12:30 PM

Convention Center, Room 308, Third Floor

Presiding:

Ruth Yanai

9:55 AM

Introductory Remarks

10:00 AM

Fate of Nitrogen Inputs to Terrestrial Ecosystems.
Pamela Templer, Boston Univ.; Michelle C. Mack, Univ. of Florida

10:15 AM

The Effect of Nutrient Availability On Soil Extracellular Enzyme Activity and CNP Dynamics.
Farrah R. Fatemi, Univ. of Maine; Ivan Fernandez, Univ. of Maine; Kevin Simon, Univ. of Maine; David B. Dail, Univ. of Maine

Audio File Recorded presentation

10:30 AM

Leaf Litter Leachate Reduces Soil Phosphate Sorption in Lowland Tropical Forest Soils.
Laura A. Schreeg, Univ. of Florida; Benjamin L. Turner, Smithsonian Tropical Res. Inst.; Michelle C. Mack, Univ. of Florida; Jan Jansa, ETH Zürich; Edmund V.J. Tanner, Univ. of Cambridge; Emma Sayer, Univ. of Cambridge

10:45 AM

Trichloroacetic Acid Extractable N and P as Indicators of Site Quality Changes in Pine Plantations in the South.
L. Chris Kiser, Virginia Polytechnic Inst. & State Univ. (Virginia Tech); Tom Fox, Virginia Polytechnic Inst. & State Univ. (Virginia Tech)

Audio File Recorded presentation

11:00 AM

Biophysical Controls On Ecosystem Nitrogen Cycling along a Soil Texture Gradient.
Michael Castellano, Pennsylvania State Univ.; Jason Kaye, Pennsylvania State Univ.; Henry Lin, Pennsylvania State Univ.; John Schmidt, USDA-ARS

11:15 AM

Break

11:30 AM

Evidence for Bedrock Nitrogen Fertility in Temperate Conifer Forests of Northern California.
Scott L. Morford, Univ. of California, Davis; Benjamin Z. Houlton, Univ. of California, Davis; Randy A. Dahlgren, Univ. of California, Davis

11:45 AM

The Effect of Soil Freezing On Nitrogen Dynamics: A Snow Manipulation Study in a Forested Watershed in the Snow Belt of Western New York, USA.
Sheila F. Christopher, Virginia Polytechnic Inst. & State Univ. (Virginia Tech); Myron Mitchell, SUNY, Environ. Sci. & Forestry; Shreeram Inamdar, Univ. of Delaware

Audio File Recorded presentation

12:00 PM

Linking Nitrate Production to Chemical and Biotic Controls in Soils Developed Beneath Hardwood and Conifers.
Charlene N. Kelly, Virginia Polytechnic Inst. & State Univ. (Virginia Tech); Stephen H. Schoenholtz, Virginia Polytechnic Inst. & State Univ. (Virginia Tech); Mary Beth Adams, USDA-Forest Service

Audio File Recorded presentation

12:15 PM

Discussion

12:30 PM

Adjourn

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