Session: Climate Change: Biogeochem Cycles (94th ESA Annual Meeting (August 2 -- 7, 2009))

8:00 AM

COS 21-1

Experimental drought in a wet tropical forest drives increases in soil carbon dioxide losses to the atmosphere
Cory C. Cleveland, University of Montana; Alan R. Townsend, University of Colorado at Boulder; William R. Wieder, University of Colorado, Boulder

8:20 AM

COS 21-2

Do the wettest of lowland tropical forests cycle nitrogen in excess?
William R. Wieder, University of Colorado, Boulder; Cory C. Cleveland, University of Montana; Sasha Reed, U.S. Geological Survey; Philip G. Taylor, University of Colorado; Alan R. Townsend, University of Colorado at Boulder

8:40 AM

COS 21-3

Impact of experimental drought on emissions of carbon dioxide, methane, and nitrous oxide from soils of a humid tropical forest, Puerto Rico
Tana E. Wood, USDA Forest Service; Whendee L. Silver, University of California, Berkeley; Ariel Lugo, USDA Forest Service

9:00 AM

COS 21-4

Linking soil microbial communities to ecosystem functioning in the context of climate change: Using nitrogen cycling as a model process
D. S. Novem Auyeung, Purdue University; Jeffrey S. Dukes, Purdue University

9:20 AM

COS 21-5

Trade-offs between N and P retention due to drought and saltwater intrusion in a restored wetland ecosystem
Marcelo Ardon, East Carolina University; Jennifer L. Morse, Portland State University; Martin W. Doyle, Duke University; Emily Bernhardt, Duke University

9:40 AM

COS 21-

Break

9:50 AM

COS 21-6

Long-term effects of CO₂on N₂ fixation and ecosystem-level nutrient budgets
Benjamin Duval, Global Change Solutions; P. Dijkstra, Northern Arizona University; B.a. Hungate, Northern Arizona University

10:10 AM

COS 21-7

Precipitation exerts a dominant control on net ecosystem exchange in subalpine meadows
Christine A. Lamanna, University of Maine; Brian Enquist, University of Arizona; John Harte, University of California; Scott R. Saleska, University of Arizona; Teal Potter, University of Montana

10:30 AM

COS 21-8

Carbon and water fluxes from ponderosa pine forests disturbed by wildfires and thinning
Thomas E. Kolb, Northern Arizona University; Sabina Dore, Northern Arizona University; Mario C. Montes-Helu, Northern Arizona University; Ben Sullivan, The University of Montana; Sara E. Eckert, Penn State University; Jason P. Kaye, Pennsylvania State University; Stephen C. Hart, University of California, Merced; George W. Koch, Northern Arizona University; Alex Finkral, Northern Arizona University; Bruce A. Hungate, Northern Arizona University

10:50 AM

COS 21-9

Belowground carbon dynamics at Duke FACE:Â A summary
John. E. Drake, University of Illinois at Urbana-Champaign; Adrien C. Finzi, Boston University; Evan H. DeLucia, University of Illinois at Urbana-Champaign

11:10 AM

COS 21-10

Sensitivity of old-field soil respiration to warming and altered precipitation
Vidya Suseela, Clemson University; Richard T. Conant, Queensland University of Technology; Matthew D. Wallenstein, Colorado State University; Jeffrey S. Dukes, Purdue University

COS 21 - Climate Change: Biogeochem Cycles