Session: Biogeochemistry: C And N Cycling In Response To Global Change (97th ESA Annual Meeting (August 5 -- 10, 2012))

PS 67-20

The impacts of changes in snowfall on wintertime soil greenhouse gas emissions using an automated chamber system
Leilei Ruan, Michigan State University; Kevin Kahmark, Michigan State University; G. Philip Robertson, Michigan State University

PS 67-21

A novel cyberinfrastructure to support research of land-atmosphere fluxes of carbon, water, and energy in a Chihuahuan Desert ecosystem
Christine Laney, University of Texas at El Paso; Aline Jaimes, University of Texas at El Paso; Ari Kassin, University of Texas at El Paso; Ryan P. Cody, University of Texas at El Paso; Craig E. Tweedie, University of Texas, El Paso

PS 67-22

Using tree rings to better understand the role of biological demand in the inter-annual variability of stream nitrate concentrations at the Fernow Experimental Forest, West Virginia
Christopher A. Walter, West Virginia University; Mark B. Burnham, West Virginia University; Amy E. Hessl, West Virginia University; William T. Peterjohn, West Virginia University

PS 67-23

Thermal acclimation impacts on global carbon dynamics
Zhangcai Qin, Purdue University; Qianlai Zhuang, Purdue University; Min Chen, Purdue University; Yujie He, Purdue University

PS 67-24

Soil carbon stability and temperature sensitivity of carbon decomposition along an elevation gradient in the Changbai Mountain, China
Wenhua Xu, Institute of Applied Ecology, Chinese Academy of Sciences; Edith Bai, Instituted of Applied Ecology, Chinese Academy of Sciences

PS 67-25

Water level drawdown boosts greenhouse gas production in a small eutrophic reservoir
Bridget R. Deemer, Washington State University Vancouver; John A. Harrison, Washington State University Vancouver; Maria T. Glavin, Washington State University Vancouver

PS 67-26

Respiration costs associated with nitrate reduction as estimated ¹⁴CO₂ pulse labeling and nitrate redactase activity of evergreen oak
Naoko Tokuchi, Kyoto University; Wataru Hidaka, Kyoto University; Kazumichi Fujii, Forestry and Forest Products Research Institute; Noriyuki Osada, Kyoto University; Lina Koyama, Kyoto University; Reiji Fujimaki, Shimane University

PS 67-27

Water level drawdown is a hot moment for methane ebullition in a small eutrophic reservoir, Lacamas Lake, Washington
Maria T. Glavin, Washington State University Vancouver; Bridget R. Deemer, Washington State University Vancouver; John A. Harrison, Washington State University Vancouver

PS 67-28

Effects of water level on specific root respiration and biomass of Chamaedaphne calyculta, Larix laricina, and Picea mariana in a poor fen peatland
Kenneth M. Carruthers, Michigan Technological University

PS 67-29

Soil respiration across an urban-rural tropical gradient: Variability among forest and invasive grass sites
Joseph K. Lee, University of British Columbia; Daniela F. Cusack, University of California, Los Angeles

PS 67-30

Increases in soil organic carbon in semi-arid integrated crop-livestock systems
Lisa Fultz, Texas Tech University; Vivien Allen, Texas Tech University; Jennifer Moore-Kucera, Texas Tech University

PS 67-31

Seasonal variation in N availability and nitrification rates due to precipitation variability and elevation
Tatyana Isupov, Brigham Young University; Richard A. Gill, Brigham Young University

PS 67-32

Landform and vegetation patch type moderate the effects of grazing-induced disturbance on carbon and nitrogen pools in a semi-arid woodland
Jane G. Smith, New Mexico State University; David J. Eldridge, University of New South Wales; Heather L. Throop, New Mexico State University

PS 67-33

Interactive effects of multiple global change factors on soil nitrogen transformations in a California annual grassland
Chelsea J. Carey, University of California; Stephen C. Hart, University of California, Merced; Valerie T. Eviner, University of California Davis; Joseph C. Blankinship, University of California

PS 67-34

Strong seasonal and diel variation of soil CO₂ efflux in a moist subtropical forest in Puerto Rico
Omar Gutiérrez del Arroyo, University of Puerto Rico; Tana E. Wood, USDA Forest Service; Ariel E. Lugo, USDA Forest Service

PS 67-35

Methane production and emissions from a tidal wetland under multifactored global change
Shannon B. Hagerty, Villanova University; J. Adam Langley, Villanova University; Lillian R. Aoki, Cornell University; Thomas J. Mozdzer, Smithsonian Environmental Research Center; J. Patrick Megonigal, Smithsonian Environmental Research Center

PS 67-36

Influence of nitrogen availability on soil respiration kinetics
Jennifer R. Eberwein, University of California Riverside; Patricia A. Oikawa, University of California, Riverside; Darrel Jenerette, University of California, Riverside

PS 67-37

Contributions of ectomycorrhizal fungi to organic matter formation and decomposition in response to chronic N deposition
Jesse J. Sadowsky, University of New Hampshire; Linda T.A. Van Diepen, University of New Hampshire; Serita Frey, University of New Hampshire

PS 67-38

Will elevated N inputs from acid rain stimulate C storage in an aggrading appalachian temperate deciduous forest?
Zachariah K. Fowler, West Virginia University; Mary Beth Adams, USDA Forest Service; William T. Peterjohn, West Virginia University

PS 67-39

Contribution of fine root respiration to total soil respiration in high-elevation red spruce forests along a nitrogen availability gradient
Kenneth R. Smith, West Virginia University; Tyler Davidson, University of Massachusetts Amherst; Richard B. Thomas, West Virginia University

PS 67 - Biogeochemistry: C And N Cycling In Response To Global Change