PS 71 - Biogeochemistry: Linking Community Structure and Ecosystem Function

Thursday, August 11, 2011: 4:30 PM-6:30 PM
Exhibit Hall 3, Austin Convention Center
Hydrogeologic and geochemical controls on nutrient availability and food web dynamics in the biodiverse karstic Edwards Aquifer, TX, USA
B. T. Hutchins, Texas State University; Benjamin F. Schwartz, Texas State University; A. S. Engel, Louisiana State Universiy
Species and wildfire effects on the spatial pattern and scale of soil N and P pools in a Pinus canariensis forest
Alexandra Rodríguez, Cary Institute of Ecosystem Studies; Jorge Durán, Cary Institute of Ecosystem Studies; Antonio Gallardo, Pablo de Olavide University; José María Fernández-Palacios, La Laguna University
Tag encoded pyrosequencing reveals shift in microbial community structure in Midwest soil under different agricultural and restoration treatments affecting carbon sequestration
Suhana Chattopadhyay, Kent State University; Kelly D. McConnaughay, Bradley University; Michelle L. Haddix, Colorado State University; Richard Conant, Colorado State University; Sherri J. Morris, Bradley University; Eldor A. Paul, Colorado State University; Christopher B. Blackwood, Kent State University
Influence of root biomass and specific respiration rates on variation in ecosystem level fine root respiration among forest types
Gerald P. Jondreau, Michigan Technological University; Mickey P. Jarvi, Michigan Technological University; Andrew J. Burton, Michigan Technological University
Pyrosequencing-based assessment of soil bacterial communities within soil aggregates: Linking structure to C storage
Marko Davinic, Texas Tech University; Jennifer Moore-Kucera, Texas Tech University; Lisa Fultz, Texas Tech University; Scott Dowd, Research and Testing Laboratory; V. Acosta-Martinez, USDA-ARS; Stephen B. Cox, Texas Tech University; Vivien Allen, Texas Tech University
Abiotic and biotic constraints on nitrogen fixation and producer species assemblages in an N-limited river ecosystem
Jill R. Welter, St. Catherine University; Paula C. Furey, St. Catherine University; Jessica A. Cormier, St. Catherine University; Angela J. Rosendahl, St. Catherine University; Brooke L. Weigel, St. Olaf College; Grace M. Wilkinson, University of Virginia
Impacts of fire and vegetation on resource distribution and microbial nitrifier communities in an semiarid grassland ecosystem
Paul E. Brewer, Colorado State University; David J. Augustine, USDA-ARS; Dana M. Blumenthal, USDA-ARS; Joseph C. von Fischer, Colorado State University
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