Symposium--Linking Soil Enzyme Activities to Ecosystem Functions: I

Monday, November 2, 2009: 9:55 AM-2:45 PM
Convention Center, Room 406, Fourth Floor
Organizers:
Shiping Deng and Richard Dick
10:00 AM
Recent Advancements in Understanding the Ecology of Soil Extracellular Enzymes.
Matthew Wallenstein, Colorado State Univ.; J. Megan Steinweg, Natural Resource Ecology Lab.; Shawna McMahon, Natural Resource Ecology Lab.
10:45 AM
Phosphatase Activity and Phosphorus Availability in Tropical Rain Forest Soils.
Benjamin L. Turner, Smithsonian Tropical Res. Inst.; Tania E. Romero, Smithsonian Tropical Res. Inst.
11:00 AM
Spatial Variability of the Activity of b– Glucosidases in a Rice Soil in Chile.
E.V. Gutierrez, Univ. Tecnica Federico Santa Maria; R.A. Ortega, Univ. Tecnica Federico Santa Maria; M.M. Martinez, Univ. of Bonn
11:15 AM
Does Community Composition or Environmental Variability Control Extracellular Enzyme Activity in Soil? A Spatial Analysis in a Complex Forested Landscape.
Christopher Blackwood, Kent State Univ.; Kurt Smemo, The Holden Arboretum; Larry Feinstein, Kent State Univ.; Oscar Valverde-Barrantes, Kent State Univ.; Mark Kershner, Kent State Univ.
11:30 AM
11:45 AM
2:15 PM
Soil Phosphatase and Urease Activities Impacted by Cropping Systems and Water Management.
Zhongqi He, USDA-ARS, NEPSWL; C. Wayne Honeycutt, USDA-ARS; Timothy Griffin, U.S. Dep. of Agriculture; Robert Larkin, USDA-ARS; O.M. Olanya, USDA-ARS; John Halloran, USDA-ARS
2:45 PM