COS 87 - Soil Ecology

Thursday, August 11, 2011: 8:00 AM-11:30 AM
Ballroom F, Austin Convention Center
8:00 AM
Power laws are better than exponential decay models for representing litter and soil organic matter decomposition
Gervasio Piñeiro, IFEVA, Facultad de Agronomía, Universidad de Buenos Aires, CONICET; Stefano Manzoni, Swedish University of Agricultural Sciences; John H. Kim, Duke University; Esteban G. Jobbagy, Universidad Nacional de San Luis; Margaret S. Torn, University of California; William J. Riley, Lawrence Berkeley National Laboratory; Amilcare Porporato, Duke University; Robert B., Jackson, Duke University
8:20 AM
Small mammal activities decrease soil organic carbon storage in dryland ecosystems
Jane G. Smith, New Mexico State University; Heather L. Throop, New Mexico State University; Thomas J. Valone, Saint Louis University; S.K. Morgan Ernest, Utah State University; James H. Brown, University of New Mexico
8:40 AM
Assessing the vulnerability of permafrost carbon stocks:  The importance of considering soil organic matter chemistry and microbial community traits
Jessica G. Ernakovich, Colorado State University; Francisco J. Calderon, USDA-ARS Central Great Plains Research Station; Matthew D. Wallenstein, Colorado State University
9:00 AM
Consideration of soil aggregate habitat on extracellular enzyme activity in prairie and conventional agriculture
Elizabeth M. Bach, Iowa State University; Kirsten S. Hofmockel, Pacific Northwest National Laboratory
9:20 AM
Organic matter management effects on soil carbon fractionation in a loblolly pine (Pinus taeda L.) plantation
Zakiya H. Leggett, Weyerhaeuser Company; Eric B. Sucre, Weyerhaeuser Company; Felipe Sanchez, USDA Forest Service
9:40 AM
9:50 AM
Entomopathogenic nematodes and the molecular assessment of soil food webs in space and time
Raquel Campos-Herrera, Instituto de Ciencias Agrarias, Consejo Superior de Investigaciones Científicas; Ekta Pathak, University of Florida; Fahiem E. El-Borai, Faculty of Agriculture, Zagazig University; Robin J. Stuart, University of Florida; Carmen Gutiérrez, Instituto de Ciencias Agrarias, Consejo Superior de Investigaciones Científicas; James H. Graham, University of Florida; Larry W. Duncan, University of Florida
10:10 AM
Whole tree root excavation to learn about root water extraction
Peter C. Hartsough, University of California, Davis; Armen Malazian, University of California, Davis; Ekaterina Roudneva, University of California, Davis; Rune Storesund, Storesund Consulting; Jan W. Hopmans, Soil Science Society of America President
10:30 AM
Water dynamics in the root-zone of plants using neutron imaging
Ahmad B. Moradi, University of California Davis; Abbas Dara, University of Potsdam; Jan W. Hopmans, Soil Science Society of America President
10:50 AM
The magnitude of hydraulic redistribution by plants: A laboratory and modeling investigation
Rebecca B. Neumann, University of Washington; Fulton E. Rockwell, Harvard University; Maciej A. Zwieniecki, UC Davis; Zoe G. Cardon, Marine Biological Laboratory; N. Michele Holbrook, Harvard University
11:10 AM
Patterns and drivers of nitrogen availability in floodplain soils
Alison Appling, Duke University; Emily S. Bernhardt, Duke University; Jack A. Stanford, The University of Montana
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