COS 89 - Nutrient Cycling II

Thursday, August 7, 2008: 8:00 AM-11:30 AM
101 B, Midwest Airlines Center
8:00 AM
 Coupled forest management and salmon disturbances may alter nutrient dynamics in southeast Alaskan streams
Peter S. Levi, University of Notre Dame; Jennifer L. Tank, University of Notre Dame; Scott D. Tiegs, Oakland University; Dominic Chaloner, University of Notre Dame; Gary A. Lamberti, University of Notre Dame
8:20 AM
 The known knowns, known unknowns, and unknown unknowns of phosphorus availability in tropical ecosystems
Stephen Porder, Brown University; George E. Hilley, Stanford University
8:40 AM
 Carbon, nitrogen, and phosphorus additions to a temperate deciduous forest: Effects on belowground processes
Candice M. Smith, University of Illinois; J. C. Randolph, Indiana University; James D. Bever, Indiana University
9:00 AM
 Potential for phosphorus limitation in northern hardwood forest species
Matthew P. Weand, Southern Polytechnic State University; Mary A. Arthur, University of Kentucky; Gary Lovett, Cary Institute of Ecosystem Studies; Kathleen C. Weathers, Cary Institute of Ecosystem Studies
9:20 AM
 Soil trace gas fluxes in response to wildfire and forest management in Colorado ponderosa pine ecosystems
Mark A. Gathany, Cedarville University; Ingrid C. Burke, University of Wyoming
9:40 AM
9:50 AM
 The effects of mosses on microbial activity and phosphorus availability in rich fens
Katherine F. Crowley, Cary Institute of Ecosystem Studies; Alexander W. Cheesman, Smithsonian Tropical Research Institute; Barbara L. Bedford, Cornell University
10:10 AM
 New isotopic techniques for quantifying plant-microbial interactions support strong competitive ability of plants for organic nitrogen
Chris Clark, AAAS; Claudia Neuhauser, University of Minnesota; G. David Tilman, University of Minnesota
10:30 AM
 Precipitation and nitrogen interactions in arid ecosystems
Lara G. Reichmann, USDA, Agricultural Research Service; Osvaldo E. Sala, Arizona State University; Debra Peters, USDA Agricultural Research Service
10:50 AM
 Opening Pandora’s box:  The potential role of Gloeotrichia echinulata in lake phosphorus cycling
Kathryn L. Cottingham, Dartmouth; Kathleen C. Weathers, Cary Institute of Ecosystem Studies; Cayelan Carey, Virginia Tech; Holly Ewing, Bates College; Zachary A. Mayer, Dartmouth College
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