Session: Soil Processes and Development (93rd ESA Annual Meeting (August 3 -- August 8, 2008))

1:30 PM

COS 44-1

Mediation by soil fauna of the effects of litter quality on nitrogen mineralization
Yolima Carrillo, University of Western Sydney; Becky A. Ball, Arizona State University at the West Campus; Carl Jordan, University of Georgia; Kathryn G. Mitchell, University of Georgia; Marirosa Molina, ERD, EPA

1:50 PM

COS 44-2

Acid deposition: Reduced base saturation, available phosphorous, and changed fungal community composition in an old-growth forest
Jared L. DeForest, Ohio University; David J. Burke, The Holden Arboretum

2:10 PM

COS 44-3

Nitrogen additions alter carbon cycling dynamics and increase soil carbon content in two humid tropical forests
Daniela F. Cusack, University of California, Los Angeles; Whendee L. Silver, University of California, Berkeley; William H. McDowell, University of New Hampshire; Margaret S. Torn, Lawrence Berkeley National Laboratory

2:30 PM

COS 44-4

What drives soil microbial respiration? A continental scale study
Benjamin P. Colman, University of Montana; Noah Fierer, University of Colorado; Joshua P. Schimel, University of California, Santa Barbara

2:50 PM

COS 44-5

Mobilization of silica in terrestrial grassland ecosystems and the potential impact on the global silica cycle
E.F. Kelly, Colorado State University; A.K. Knapp, Colorado State University; S.W. Blecker, U.S. Geological Survey; S. E. Melzer, Colorado State University; Rebecca L. McCulley, University of Kentucky; C.M. Yonker, Colorado State University; O.a. Chadwick, University of California; Melinda Smith, Colorado State University; John Blair, Kansas State University; K. Kirkman, University of KwaZulu-Natal; Alan Knapp, Kruger National Park

3:10 PM

COS 44-

Break

3:20 PM

COS 44-6

Geophysical imaging of soils in ecohydrology in dryland and tropical ecosystems
David A. Robinson, University of West Indies; Hiruy Abdu, Utah State University; Scott B. Jones, Utah State University; Inma Lebron, University of West Indies; Rosemary Knight, Stanford University; Mike Oatham, University of West Indies

3:40 PM

COS 44-7

A spatial simulation of the carbon dynamics in Irish peat soils
Alan Gilmer, Dublin Institute of Technology

4:00 PM

COS 44-8

Hybrid poplar roots actively avoid competing with roots from other plant species
Simon Bilodeau Gauthier, University of Quebec in Montreal; David Paré, Natural Resources Canada; Christian Messier, Université du Québec à Montréal

COS 44 - Soil Processes and Development