Session: Latebreaking: Biogeochemistry (95th ESA Annual Meeting (August 1 -- 6, 2010))

PS 92-33

Denitrification hotspots and N₂O flux in fluvial systems
Julia G. Hyman, University of Rhode Island; Kelly Addy, University of Rhode Island; Arthur J. Gold, University of Rhode Island; Kenneth J. Forshay, United States Environmental Protection Agency; Paul Mayer, USEPA, National Health and Environmental Research Laboratory

PS 92-34

Environmental and genetic controls on net nitrous oxide production vs. consumption during denitrification
Lisa K. Tiemann, University of Kansas; Ford Ballantyne IV, University of Kansas; Sharon A. Billings, University of Kansas; Patrick Dermyer, University of Kansas

PS 92-35

Exploration of the structures and biogeographical patterns of phototrophic bacterial communities inhabiting diverse geothermal habitats in Yellowstone National Park using metagenomics
Christian G. Klatt, Montana State University; Sarah M. Boomer, Western Oregon University; Igor I. Brown, NASA Johnson Space Center; Donald A. Bryant, The Pennsylvania State University; Amaya M. Garcia Costas, The Pennsylvania State University; Zackary Jay, Montana State University; Scott R. Miller, University of Montana; Mary N. Parenteau, NASA Ames Research Center; Douglas B. Rusch, Indiana University; Susannah G. Tringe, Berkeley National Laboratory; David M. Ward, Montana State University; Jason M. Wood, Montana State University; William P. Inskeep, Montana State University

PS 92-36

Nitrogen dependence of soil microbial responses to elevated CO₂ and O₃in a wheat-soybean agroecosystem
Lei Cheng, Zhejiang University; Fitzgerald Booker, USDA, Plant Science Research Unit; Kent O. Burkey, USDA, Plant Science Research Unit; Cong Tu, North Carolina State University; David Shew, North Carolina State University; Thomas Rufty, North Carolina State University; Ed Fiscus, USDA, Plant Science Research Unit; Shuijin Hu, North Carolina State University

PS 92-37

Simulated root exudates do not alter function in soil microbial communities
Michael S. Strickland, Virginia Tech; Mark A. Bradford, Yale University

PS 92-38

Soil microbial biomass and activity in a cork oak savanna
Maria C. Caldeira, Technical University of Lisbon; David Fangueiro, Technical University of Lisbon, Instituto Superior de Agronomia; Xavier Lecomte, Technical University of Lisbon, Instituto Superior de Agronomia; Miguel Nuno Bugalho, Technical University of Lisbon; João Filipe Coutinho, Universidade de Trás-os Montes e Alto-Douro Vila Real; João S. Pereira, Instituto Superior de Agronomia, Universidade de Lisboa

PS 92-39

Spatial heterogeneity of snowpack, soil biogeochemistry, and soil respiration in exposed and subnivian soils in McMurdo Dry Valleys, Antarctica
Loren Sackett, University of Colorado; Kallin Tea, University of Colorado; Susan Whitehead, University of Colorado, Boulder; Ian Schwartz, Casey Middle School

PS 92-40

The relationships among biogeochemical properties, nitrification, and associated microbial assemblage composition of Santa Fe river tributary sediments
Haryun Kim, University of Florida; Andrew V. Ogram, University of Florida; Ramesh K. Reddy, University of Florida

PS 92-41

Topographic effects on fungal and bacterial contribution to CO₂ production from riparian soils
Anna Plasterer, Cedarville University; Mark A. Gathany, Cedarville University

PS 92-165

Change in carbon utilization patterns of soil microbes after the alien invasive Mikania micrantha was parasitized by the native Cuscuta campestris
Junmin Li, Institute of Ecology, Taizhou University

PS 92 - Latebreaking: Biogeochemistry