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274 Carbon and Nutrient Cycling

Oral Session
S07 Forest, Range & Wildland Soils Soils support ecosystem functions of carbon and nutrient (re)cycling; human activities affect that. The goal is to continue learning about these effects.
Tuesday, October 18, 2011: 12:55 PM-4:15 PM
Henry Gonzalez Convention Center, Ballroom C-2

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Organizer:
Kathryn B. Piatek
Presiders:
Karis McFarlane and M. Derek Mackenzie
12:55 PM
Introductory Remarks
1:00 PM
274-1
Understanding Changes In Litter Carbon Chemistry Caused by Decomposition Using Advanced Solid-State NMR Spectroscopy.
Na Chen, Old Dominion University; Mark E. Harmon, Oregon State University; Yuan Li, Old Dominion University; Mark Chappell, U.S. Army Corps of Engineers; Jingdong Mao, Old Dominion University
1:15 PM
274-2
Effect of Invasive Earthworms On Leaf Litter Decomposition, Available Nutrients and Water Dynamics.
Ryan Melnichuk, University of Vermont; Josef Gorres, University of Vermont
Recorded Presentation Audio File
1:30 PM
274-3
Spatial Patterns of Forest Floor pH, Nitrate, and Ammonium Associated with Bigleaf Maple and Western Hemlock In Conifer Forest of Coastal British Columbia.
Margaret Schmidt, Simon Fraser University; Khaled Hamdan, Simon Fraser University
Recorded Presentation Audio File
1:45 PM
274-4
The Nature and Potential Causes of Nutrient Hot Spots In a Sierra Nevada Forest Soil.
Dale Johnson, University of Nevada - Reno; Watkins Miller, University of Nevada - Reno; Benjamin Rau, University of Nevada - Reno; Matthew Meadows, University of California, Merced
Recorded Presentation Audio File
2:00 PM
274-5
Soil P Dynamics In the Sierra Nevada: Exploring the Connection Between Soils and Eutrophication of High-Elevation Lakes.
Peter M. Homyak, University of California, Riverside; James O. Sickman, University of California, Riverside; John M. Melack, University of California, Santa Barbara
Recorded Presentation Audio File
2:15 PM
Discussion
2:30 PM
Break
2:45 PM
274-6
The Effects of Changing Precipitation On Ecosystem Carbon and Nutrient Cycling: A Meta-Analysis of Global Change Experiments.
Lindsey Rustad, USDA-ARS Forest Service; Edwin Lebrija-Trejos, Tel Aviv University; Claus Beier, Risoe-DTU, Technical University of Denmark; Michael Loik, University of California, Santa Cruz; Travis Huxman, University of Arizona; Lindsey Rustad, USDA-ARS Forest Service
Recorded Presentation Audio File
3:00 PM
274-7
Impact of Precipitation Dynamics On Net Ecosystem CO2 Exchange.
Stephen Del Grosso, USDA ARS; William Parton, Colorado State University; Jack Morgan, USDA-ARS; David Smith, USDA-ARS; Lara Prihodko, Colorado State University; Dan LeCain, USDA-ARS; Robin Kelly, Colorado State University
3:15 PM
274-8
Responses of the Components of Northern Hardwood Soil Respiration to Experimental Warming and Moisture Additions.
Andrew J. Burton, Michigan Technological University; Mickey P. Jarvi, Michigan Technological University; Kayla M. Griffith, Michigan Technological University; Carley J. Kratz, Michigan Technological University
3:30 PM
274-9
Mineralization of Carbon Stored In the Soil of Forests After Exposure to Elevated Concentrations of Atmospheric Carbon Dioxide and Ozone.
Robert Qualls, University of Nevada - Reno; Kurt S. Pregitzer, Univerisity of Idaho; Courtney Campany, Univerisity of Idaho
Recorded Presentation Audio File
3:45 PM
274-10
Soil Chemical Changes On Two Forested Watersheds with Time and Acidification Treatment.
Mary Beth Adams, USDA-ARS Forest Service
Recorded Presentation Audio File
4:00 PM
Discussion 2
4:15 PM
Adjourn
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