COS 90 - Biogeochemistry: Linking Community Structure and Ecosystem Function

Thursday, August 11, 2011: 8:00 AM-11:30 AM
6A, Austin Convention Center
8:00 AM
Microbial cost of carbon degrading extracellular enzymes: A microcosm and mechanistic modeling approach
Katherine E. Todd-Brown, University of California, Irvine; Steven D. Allison, University of California
8:20 AM
Identifying linkages between the nitrogen cycle, cyanobacterial community structure, and cyanotoxin production in a eutrophic lake
Lucas J. Beversdorf, University of Wisconsin - Madison; Todd R. Miller, University of Wisconsin - Milwaukee; Katherine D. McMahon, University of Wisconsin - Madison
8:40 AM
The role of gene diversity in the function of denitrifying assemblages in freshwater wetlands
Sarah C. Brower, Kent State University; Laura G. Leff, Kent State University; Xiaozhen Mou, Kent State University
9:00 AM
Another function for cypress knees?:  Extension of oxic periods in blackwater swamps by bryophytes growing on bald cypress (Taxodium distichum)
Andrew S. Mehring, University of Georgia; Dustin W. Kemp, University of Georgia; David D. Bosch, United States Department of Agriculture; Richard Lowrance, USDA Agricultural Research Service; George Vellidis, University of Georgia; Catherine M. Pringle, University of Georgia
9:20 AM
Potential effects of sowed, biodiverse pastures in the understory of an LTER Montado system: 15N and 13C in Cork Oak leaves
Catarina Moura, Instituto Superior de Agronomia (ULisboa), Centro de Ecologia Funcional (U.Coimbra) and UC-Berkeley; Todd E. Dawson, University of California Berkeley; João S. Pereira, Instituto Superior de Agronomia, Universidade de Lisboa
9:40 AM
9:50 AM
The interaction of tree size and restoration thinning on growth and use of winter versus summer precipitation in northern Arizona ponderosa pines
Lucy Penn Mullin, Northern Arizona University; George W. Koch, Northern Arizona University; Thomas E. Kolb, Northern Arizona University
10:10 AM
Plant traits and decomposition rates: Potential influences for forest carbon flux and fungal communities
Brad Oberle, The George Washington University; Amy Zanne, The George Washington University
10:30 AM
10:50 AM
Ecosystem allometry: The scaling of aboveground biomass and carbon flux through canopy height across plant communities
Jin Wu, University of Arizona; Brian J. Enquist, University of Arizona; Scott R. Saleska, University of Arizona
11:10 AM
Nutrient-enriched food webs have more competition and less diversity 
Sharon Elizabeth Graham, University of Canterbury; Jon O'Brien, University of Canterbury; Angus R. McIntosh, University of Canterbury; Teresa Burrell, University of Canterbury; Jon S. Harding, University of Canterbury
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Banner photo by Flickr user greg westfall.