Session: Latebreaking: Biogeochemistry (97th ESA Annual Meeting (August 5 -- 10, 2012))

PS 91-46

A global analysis of soil microbial biomass carbon, nitrogen and phosphorus in terrestrial ecosystems: Magnitude, stoichiometry, and pool size
Xiaofeng Xu, Auburn University, AL; Peter E. Thornton, Oak Ridge National Laboratory; Wilfred M. Post, Oak Ridge National Laboratory

PS 91-47

Landscape level characterization of the aquatic biogeochemistry and terrestrial landcover of Cuatro Ciénegas, Coahuila, México
Jorge Ramos Jr., Arizona State University; Jessica R. Corman, Arizona State University; Valeria Souza, UNAM Instituto de Ecología; Daniel L. Childers, Arizona State University; James J. Elser, Arizona State University

PS 91-48

Carbon dioxide as a contributor to seasonal pH shifts in Neotropical rainforest streams
Carissa N. Ganong, University of Georgia; John H. Duff, U.S. Geological Survey; Catherine M. Pringle, University of Georgia

PS 91-49

Earthworms effects on soil respiration in a sub-tropical wet forest in Puerto Rico
Dylan J. Rhea-Fournier, University of Puerto Rico - Río Piedras; Grizelle González, USDA Forest Service

PS 91-50

PRS™ soil supply rates of nitrate and ammonium in grasslands, temperate forests and boreal forests
Troy M. Radtke, Western Ag Innovations

PS 91-51

Interactions between intertidal macroalgae and ammonium-oxidizing microbes in the presence of ammonium, a shared resource
Orissa M. Moulton, University of Chicago; Catherine A. Pfister, University of Chicago

PS 91-52

Enzyme activities of mesofaunal endosymbionts across host species and ecosystem
Amanda B. Daly, University of New Hampshire; Kyle Wickings, University of New Hampshire; A. Stuart Grandy, University of New Hampshire

PS 91-53

The impacts of elevated CO₂ and O₃ on stand development processes in northern temperate forests
Alan Talhelm, University of Idaho; Courtney E. Campany, University of Idaho; Mark E. Kubiske, Northern Research Station, USDA Forest Service; Donald R. Zak, University of Michigan; Kurt S. Pregitzer, University of Idaho

PS 91-54

Differences in carbon storage between seasonal and permanent wetland in agricultural ecosystems
Zehra Yigit Avdan, University of the Pacific; William T. Stringfellow, University of the Pacific; Jeremy Hanlon, University of the Pacific; Peter Swarzenski, USGS

PS 91-55

Predicting stream nitrogen fluxes with patterns of watershed soil moisture
Joseph Pignatello Reid, University of Minnesota - Twin Cities

PS 91 - Latebreaking: Biogeochemistry