95th ESA Annual Meeting (August 1 -- 6, 2010)

COS 16 - Biogeochemistry: C and N Cycling in Response to Global Change II

Tuesday, August 3, 2010: 8:00 AM-11:30 AM
406, David L Lawrence Convention Center
John Paul Schmidt
8:00 AM
Longer vegetative seasons and colder winters may be responsible for increased net ecosystem productivity in a deciduous forest in south-central Indiana
Craig Wayson, Forest Service; Danilo Dragoni, Nevada Division of Environmental Protection; Henry Potter, University of Miami; Hans Peter Schmid, Institute of Meteorology and Climate Research; C.S.B. Grimmond, Kings College London; J. C. Randolph, Indiana University
8:20 AM
When is the sink full?  Carbon stocks in old growth forests in northern New England
Coeli M. Hoover, US Forest Service; William B. Leak, US Forest Service; Brian G. Keel, US Forest Service
8:40 AM
Nitrogen-induced plant species shift constrains response of ecosystem productivity to elevated CO2
J. Adam Langley, Villanova University; J. Patrick Megonigal, Smithsonian Environmental Research Center
9:00 AM
Mechanisms behind CO2-induced increases in soil respiration: Results from a Minnesota grassland N, diversity, and elevated CO2 experiment
E. Carol Adair, University of Vermont; Peter B. Reich, University of Minnesota; Jared Trost, USGS MN Water Science Center; Sarah E. Hobbie, University of Minnesota
9:20 AM
Drought induced shifts in plant composition alter nitrogen cycling in a piƱon-juniper woodland
Melissa A. Cregger, The University of Tennessee; Nathan G. McDowell, Los Alamos National Laboratory; William T. Pockman, University of New Mexico; Aimee T. Classen, University of Tennessee, Knoxville
9:40 AM
9:50 AM
MOVED TO COS 98, THURS 4:40 -- Effects of temperature and source on organic matter leaching and decomposition in Baltimore urban area
Shuiwang Duan, University of Maryland Center for Environmental Science; Sujay S. Kaushal, University of Maryland; Peter M. Groffman, Cary Institute of Ecosystem Studies; Stuart E.G. Findlay, Cary Institute of Ecosystem Studies; Melissa M. Grese, Chesapeake Biological Laboratory; Tamara A. Newcomer, University of Maryland Center for Environmental Science; Michael Pennino, University of Maryland, Baltimore County; Casey Sperling, University of Maryland Center for Environmental Science
10:10 AM
Effects of deep-soil warming on ecosystem carbon balance in Alaskan tundra
Susan M. Natali, Woods Hole Research Center; Edward A.G. Schuur, University of Florida; Andres F. Baron Lopez, University of Florida; Kathryn G. Crummer, University of Florida; Caitlin E. Hicks, University of Florida; Christian Trucco, University of Florida
10:30 AM
Daily soil temperature fluctuation as a driver of carbon and nitrogen dynamics in a Chihuahuan Desert creosotebush bajada
Natasja C. Van Gestel, Texas Tech University; Stephen B. Cox, Texas Tech University; Rich E. Strauss, Texas Tech University; Dylan Schwilk, Texas Tech University; David T. Tissue, Hawkesbury Institute for the Environment, University of Western Sydney, Richmond NSW; John C. Zak, Texas Tech University
10:50 AM
Seasonal photosynthetic acclimation of the desert moss Syntrichia caninervis may affect net carbon fixation potential under future rainfall regimes
Kirsten K. Coe, Cornell University; Jayne Belnap, U.S. Geological Survey; Jed P. Sparks, Cornell University
11:10 AM
Extracellular enzyme responses to litter and rainfall manipulations in a lowland tropical forest
Samantha R. Weintraub, University of Colorado; William R. Wieder, University of Colorado, Boulder; Cory C. Cleveland, University of Montana; Alan R. Townsend, University of Colorado at Boulder