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22 Biogeochemistry III

Tuesday, May 19, 2009: 10:15 AM-12:15 PM
Ford Ballroom
Moderator:
Gaston E. Small IV
10:15 AM
146
Differences in nutrient uptake (N, P, carbon) and organic matter processing rates in relation to land use intensity
Heather A. Bechtold, Idaho State University; Colden V. Baxter, Idaho State University; Amy M. Marcarelli, Idaho State University; Richard S. Inouye, National Science Foundation
10:30 AM
147
Salty summer streams - problem or opportunity?
Stuart Findlay, Inst. of Ecosystem Studies; Gary Lovett, Inst. of Ecosystem Studies; Kathleen Weathers, Inst. of Ecosystem Studies; Vicky Kelly, Inst. of Ecosystem Studies; Dustin Kincaid, Loyola University Chicago; Don Siegel, Syracuse
10:45 AM
148
Evidences of linkages between biofilm communities and ecosystem functioning at stream-reach scale derived from stable isotopes
Miquel Ribot, Centre d'Estudis Avançats de Blanes (CSIC); Eugènia Martí, Centre d'Estudis Avançats de Blanes (CSIC); Holger Daims, University of Vienna; Marc Mussman, University of Vienna; Tom J. Battin, University of Vienna
11:00 AM
149
Internal eutrophication by sediment phosphorus release in a restored wetland
Lauren E. Kinsman, Michigan State University; Jonathan M. O'Brien, Kellogg Biological Station; Stephen K. Hamilton, Michigan State University
11:15 AM
150
Aquatic controls of inter-annual variability in river phosphorus yields
Stephen M. Powers, University of Wisconsin Madison; Emily H. Stanley, University of Wisconsin Madison
11:30 AM
151
Effect of a new effluent discharge on stream phosphorus retention
Brian E. Haggard, University of Arkansas; Leslie D. Bartsch, University of Arkansas
11:45 AM
152
Spatial and temporal patterns in carbon, nitrogen, and phosphorus composition of leaf-associated microbes in southern Appalachian streams
E.B. Kratzer, Virginia Polytechnic Institute and State University; H. Maurice Valett, Virginia Polytechnic Institute and State University; B.M. Cheever, Virginia Polytechnic Institute and State University
12:00 PM
153
Diet strategy and body stoichiometry create keystone nutrient recyclers in low-nutrient streams
Gaston E. Small IV, University of Georgia; Catherine M. Pringle, University of Georgia
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