Session: Biogeochemistry: Biogeo Patterns Along Environmental Gradients (98th ESA Annual Meeting (August 4 -- 9, 2013))

PS 9-82

More reduction in plant productivity than respiration under extreme drought across grassland types along a rainfall gradient: A modeling analysis
Zheng Shi, University of Oklahoma; Yiqi Luo, University of Oklahoma; Alan Knapp, Colorado State University; Melinda Smith, Colorado State University; Scott L. Collins, University of New Mexico; Will Pockman, University of New Mexico

PS 9-83

Environmental controls on nutrient dynamics in a longleaf pine forest: How do soil moisture and fire interval affect plant-available nutrients?
Cari D. Ficken, Duke University; Gregory M. Ames, Duke University; Steve Anderson, Duke University; Matthew G. Hohmann, US Army Corps of Engineers ERDC - CERL; Justin Wright, Duke University

PS 9-84

Inter-annual variation in precipitation affects the spatial heterogeneity of soil CO₂ efflux in a West Virginia watershed
Jeff Atkins, University of Virginia Dept. of Environmental Sciences; Howard Epstein, University of Virginia; Daniel L. Welsch, Canaan Valley Institute

PS 9-85

Synergistic soil response to nitrogen plus phosphorus fertilization in hardwood forests
Shinjini Goswami, Miami University; Melany C. Fisk, Miami University; Tera J. Ratliff, Miami University; Ruth D. Yanai, SUNY College of Environmental Science and Forestry

PS 9-86

Biological controls of aquatic nitrogen fixation rates in a northern california stream ecosystem
Anika R. Bratt, University of Minnesota; Jacques C. Finlay, University of Minnesota; J.R. Welter, St. Catherine University; Jackelyn B. Goldschmidt, St. Catherine University

PS 9-87

When the manure hits the land: Carbon sequestration potential of organic matter amendments to California annual grasslands
Justine J. Owen, University of California Berkeley; Whendee L. Silver, University of California, Berkeley

PS 9-88

Changes in physical and chemical soil characteristics and their impact on soil CO₂ efflux during secondary succession
Stesha L. Dunker, University of Virginia; Howard Epstein, University of Virginia; Aaron L. Mills, University of Virginia

PS 9-89

The influence of water table position on soil microbial processes and carbon mineralization in a mid latitude spruce peatland
Allison L. Gill, Boston University; Adrien C. Finzi, Boston University

PS 9-90

Soil texture mediates nitrogen losses from intensifying agriculture in Sub-Saharan Africa
Maya Almaraz, Brown University; Katherine L. Tully, Columbia University; Cheryl Palm, Agriculture and Food Security Center, The Earth Institute, Columbia University; Stephen Porder, Brown University; Christopher Neill, Marine Biological Laboratory

PS 9-91

Do increased N inputs influence rates of soil N cycling in high-elevation red spruce (Picea rubens Sarg.) forests along a gradient of atmospheric deposition?
Justin M. Mathias, West Virginia University; Kenneth R. Smith, West Virginia University; Brenden E. McNeil, West Virginia University; William T. Peterjohn, West Virginia University; Richard B. Thomas, West Virginia University

PS 9 - Biogeochemistry: Biogeo Patterns Along Environmental Gradients