PS 63
Latebreaking: Biogeochemistry

Friday, August 15, 2014: 8:30 AM-10:30 AM
Exhibit Hall, Sacramento Convention Center
PS 63-47
 Nutrient dynamics and the role of legume trees in the coastal Atlantic forest of southeast Brazil
Silvia R. M. Lins, University of Sao Paulo; Luciana Della Coletta, University of Sao Paulo; Elizabethe C. Ravagnani, University of Sao Paulo; Juliana Antonio, University of Sao Paulo, Brazil; Edmar A. Mazzi, University of Sao Paulo; Luiz A. Martinelli, University of Sao Paulo, Brazil
PS 63-48
 Soil phosphorus stoichiometry drives carbon turnover along a soil C gradient spanning mineral and organic soils under rice cultivation
Wyatt H. Hartman, Lawrence Berkeley National Laboratory; Rongzhong Ye, University of California, Davis; William R. Horwath, University of California, Davis; Susannah G. Tringe, Lawrence Berkeley National Laboratory
PS 63-49
 Nitrogen deposition mediates the cascading effects of bears on plants
Joshua B. Grinath, Florida State University
PS 63-50
 Confronting the indirect effects of controlled fire: the impact of vegetation shifts on carbon stocks of oak-hickory forests
Tyler K. Refsland, University of Illinois; Jennifer M. Fraterrigo, University of Illinois at Urbana-Champaign
PS 63-51
 Abiotic CO2 exchange between soil and atmosphere and its response to temperature
Shugao Qin, Beijing Forestry University
PS 63-52
 Patterns of nitrogen processes across soil mineral nitrogen gradient in terrestrial ecosystems: A global synthesis
Ming Li, Fudan University; Yanghui He, Fudan University; Xuhui Zhou, Fudan University; Bo Li, Fudan University; Yiqi Luo, University of Oklahoma
PS 63-53
 Nitrogen isotopes improve predictions of nitrogen losses and climate change
Alison R. Marklein, University of California - Davis; Benjamin Z. Houlton, University of California, Davis
PS 63-54
 Elevated atmospheric CO2 increases N2O emissions when soil nitrate is high
Keke Wu, North Calrolina State University; Dima Chen, North Calrolina State University; Cong Tu, North Carolina State University; Yunpeng Qiu, North Carolina State University, Raleigh, NC 27695, USA; Thomas Rufty, North Carolina State University; Shaolin Peng, Sun Yat-sen University; Shuijin Hu, North Carolina State University
PS 63-55
 Interannual variability of soil respiration is linked to soil N availability in high-elevation red spruce (Picea rubens) forests in Central Appalachia
Kenneth R. Smith, West Virginia University; Justin M. Mathias, West Virginia University; Benjamin Hedin, Allegheny College; William T. Peterjohn, West Virginia University; Richard B. Thomas, West Virginia University
PS 63-56
 Above-belowground carbon allocation in earth system models
Xia Song, Oak Ridge National Laboratory; Forrest M. Hoffman, Oak Ridge National Laboratory; Xiaofeng Xu, Auburn University, AL; Jitendra Kumar, Oak Ridge National Laboratory; Colleen M. Iversen, Oak Ridge National Laboratory
PS 63-57
 Herbivory constraints on symbiotic N2-fixers in young recovering tropical rainforests
Suchana H. Costa, Princeton University; Sarah A. Batterman, Princeton University; Lars Hedin, Princeton University
PS 63-58
 Physiological responses of mosses to combined stress of low temperature and elevated nitrogen deposition
Binyang Liu, Sun Yat-sen University; Weiqiu Liu, Sun Yat-sen University; Chunyi Lei, Heishiding Nature Reserve; Ting Shu, Sun Yat-sen University
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