COS 5 - Biogeochemistry: C and N Cycling in Response to Global Change I

Monday, August 8, 2011: 1:30 PM-5:00 PM
6A, Austin Convention Center
1:30 PM
Effects of winter climate change on water and carbon dynamics in a northern hardwood forest
Pamela H. Templer, Boston University; Nathan Phillips, Boston University; Mark Friedl, Boston University
1:50 PM
The effects of long-term warming on tundra soil enzyme dynamics
Seeta A. Sistla, University of California, Santa Barbara; Joshua P. Schimel, University of California, Santa Barbara
2:10 PM
Soil respiration responses to temperature are affected by substrate supply and earthworm activities
Lijun Xia, Johns Hopkins University; K. Szlavecz, Johns Hopkins University
2:30 PM
Increased plant productivity in Alaskan tundra with experimental warming of deep soil and permafrost
Susan M. Natali, Woods Hole Research Center; Edward A. G. Schuur, University of Florida; Rachel Rubin, University of Florida
2:50 PM
Temperature and moisture controls on soil respiration of a humid tropical forest, Puerto Rico
Tana E. Wood, USDA Forest Service; Whendee Silver, University of California; Matteo Detto, University of California, Berkeley
3:10 PM
3:20 PM
Free and occluded soil microaggregate dynamics in a low arctic moist acidic tundra ecosystem
Rodney T. Simpson, Colorado State University; John C. Moore, Colorado State University; Johan Six, University of California-Davis
3:40 PM
The effects of C and N availability on soil microbial activity and biomass
John S. Fernandez, California State University; George L. Vourlitis, California State University
4:00 PM
Phylogeny constrains nitrate reductase activity in northeastern forests even under nitrogen enrichment
Mana H. Tang, Brown University; Stephen Porder, Brown University; Gary M. Lovett, Cary Institute of Ecosystem Studies; Jerry M. Melillo, Marine Biological Laboratory
4:20 PM
Heterotrophic respiration from soil increases with atmospheric carbon dioxide and temperature
Christopher K. Black, University of Illinois at Urbana-Champaign; Sarah C. Davis, Ohio University; Carl J. Bernacchi, University of Illinois/USDA-ARS; Evan H. DeLucia, Institute for Genomic Biology
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