Session: Biogeochemistry (2018 ESA Annual Meeting (August 5 -- 10))

PS 37-1

Forest expansion detected in Brazil using carbon stable isotopes in soil
Jamie Lee Wright, University of Oregon; Lucas C.R. Silva, University of Oregon; Corinne Wong, The University of Texas Austin; Barbara D Bomfim, University of California Davis; Ben Hur Marimon-Junior, Universidade do Estado de Mato Grosso; Beatriz Marimon, Universidade do Estado de Mato Grosso

PS 37-2

Influence of soil nutrients, microbial diversity, and ectomycorrhizal fungi on seedling recruitment after bark beetle infestation
Liana Boggs Lynch, University of Wyoming; Urszula Norton, University of Wyoming; Linda T.A. van Diepen, University of Wyoming

PS 37-3

Controls of post-fire nitrogen cycling in California chaparral: Mammalian herbivores and ephemeral herbs
Lindsey Hendricks-Franco, U.C. Berkeley; Wayne P. Sousa, University of California, Berkeley; Scott Stephens, University of California, Berkeley

PS 37-4

Investigating the influence of the rhizosphere on carbon dynamics in a tropical forest
Kenna E. Rewcastle, University of Vermont; Jessica A.M. Moore, The University of Tennessee; Jeremiah A. Henning, University of Tennessee; Courtney Patterson, University of Tennessee; Melanie A. Mayes, Oak Ridge National Laboratory; Aimée T. Classen, University of Vermont

PS 37-5

Abundance of N-cycling prokaryotes in PNW alpine meadows: AOA, not AOB, appear to drive nitrification in dry meadows
Anna C. Simpson, University of Washington, Seattle; Darlene Zabowski, University of Washington

PS 37-6

The effects of nitrogen deposition on microbial communities in desert soils
Nikita B. Kowal, Arizona State University; Becky A. Ball, Arizona State University at the West Campus; Pamela Marshall, Arizona State University

PS 37-7

Effect of nitrogen deposition and liming on seed germination and seedling establishment of Pinus massoniana
Wenjuan Han, Zhejiang Normal University; Jia Jiang, Zhejiang Normal University; Qinru He, Zhejiang Normal University; Huifang Huang, Zhejiang Normal University; Jiahong Hu, Zhejiang Normal University; Shimeng Hu, Zhejiang Normal University; Jian Ni, Zhejiang Normal University

PS 37-8

Effects of exogenous nutrient additions on various phosphorus fractions and their resorption in different-age leaves of Chinese fir in subtropical China
Fangchao Wang, Jiangxi Agricultural University, Clemson University; Geoff Wang, Clemson University; Fusheng Chen, Jiangxi Agricultural University

PS 37-9

Abiotic contribution to phenol oxidase activity across a manganese gradient in tropical forest soils
Mareli Sanchez Julia, Tulane University, Smithsonian Tropical Research Institute; Benjamin L. Turner, Smithsonian Tropical Research Institute

PS 37-10

Riparian forests: Are wild pigs impacting soil and water quality?
Sara A. Bolds, Auburn University; Stephen S. Ditchkoff, Auburn University; Mark D. Smith, Auburn University; Kurt VerCauteren, National Wildlife Research Center-USDA; Graeme Lockaby, Auburn University

PS 37-11

Influence of grazing and nitrogen addition on spatial variability of soil respiration in a Leymus chinensis meadow steppe
Baoku Shi, Northeast Normal University; Yu Zhu, Northeast Forestry University; Wanling Xu, Northeast Normal University; Chengliang Wang, Northeast Normal University; Wei Sun, Northeast Normal University

PS 37-12

Sensitivity of heterotrophic soil respiration (HSR) to temperature as mediated by mycorrhizal fungi
Grace Anne Ingham, University of Georgia; Nina Wurzburger, University of Georgia; Richard Lankau, University of Wisconsin; Caitlin E. Hicks Pries, Lawrence Berkeley National Laboratory

PS 37-13

The effect of different nitrogen sources on microbial urea-N production in agricultural drainage ditch sediments
Sabrina Klick, University of Maryland Eastern Shore; Joseph Pitula, University of Maryland Eastern Shore; Arthur L. Allen, University of Maryland Eastern Shore; Fawzy M. Hashem, University of Maryland Eastern Shore; Anthony R. Buda, USDA; Lou S. Saporito, USDA; Ray B. Bryant, USDA; Eric B. May, University of Maryland Eastern Shore

Cancelled

PS 37-14

Investigating cryptogam weathering as a functional trait (widthdrawn)
Jessica R. Shamek, Portland State University; Todd N. Rosenstiel, Portland State University; Sarah M. Eppley, Portland State University

PS 37-15

Topography alters wildfire impacts on snowpack characteristics in montane forests
Jordan D Maxwell, Brigham Young University; Samuel B. St Clair, Brigham Young University

PS 37-16

Biologically accessible phosphorus in a cyanobacteria-dominated dryland system
Grace M. Crain, University of Texas at El Paso; Anthony Darrouzet-Nardi, University of Texas at El Paso; Jennie R. McLaren, University of Texas at El Paso

PS 37-17

Effect of mass mortality events on water extractable soil nutrients
Vanessa Limon, Texas A&M University; Jacqueline Aitkenhead-Peterson, Texas A&M University; MacKenzie Arlene Smith, Texas A&M University; Cori Speights, Mississippi State University; Brandon T. Barton, Mississippi State University; Marcus A Lashley, Mississippi State University; Heather R Jordan, Mississippi State University; Jeffery K. Tomberlin, Texas A&M University; Jake Mowrer, Texas A&M University; Paul Schwab, Texas A&M University

PS 37-18

Evidence for P limitation in a young northern hardwood forest
Kara E. Gonzales, SUNY College of Environmental Science and Forestry; Ruth D. Yanai, SUNY College of Environmental Science and Forestry

PS 37-19

Uptake and transport of ¹⁵N-labelled ammonium, nitrate and glutamate in three dryland plant species
Catherine Cort, University of Texas at El Paso; Grace M. Crain, University of Texas at El Paso; Eva Dettweiler-Robinson, University of New Mexico; Robert L. Sinsabaugh, University of New Mexico; Jayne Belnap, U.S. Geological Survey; Jennifer Rudgers, University of New Mexico; Anthony Darrouzet-Nardi, University of Texas at El Paso

PS 37-20

Legume seedlings translocate phosphorus to increase symbiotic nitrogen fixation
Lindsay McCulloch, Brown University; Stephen Porder, Brown University; Joy Winbourne, Boston University

PS 37-21

Using trait-based ecology to understand shifts in community assembly in a long-term tropical forest plot
Megan Gaitan, Sonoma State University; Sandra M. Duran, University of Arizona; Sean Michaletz, University of Arizona; Daniel J. Wieczynski, University of California, Los Angeles; Carolyn A.F. Enquist, US Geological Survey; Catherine Hulshof, University of Puerto Rico, Mayagüez; George Stevens, The GoodCoin Foundation; Nathan G. Swenson, University of Maryland; Gregory P. Asner, Carnegie Institution for Science; Brian Enquist, University of Arizona; Van M. Savage, UCLA; Lisa Patrick Bentley, Sonoma State University

PS 37-22

Microbial communities exposed to diurnal temperature variation increase nitrous oxide emission potential from surface soil
Robert A. Sanford, University of Illinois at Urbana-Champaign; Joanne C. Chee-Sanford, USDA-ARS; Lynn Connor, USDA-ARS

PS 37-23

Nutrient and microbial responses to altered seasonal precipitation regimes in two semi-arid grasslands
Jennifer Holguin, The University of Texas at El Paso; Scott Collins, University of New Mexico; Jennie R. McLaren, University of Texas at El Paso

PS 37-24

Microbial functional resilience to drought
Leena Vilonen, Colorado State University; Melinda Smith, Colorado State University

Cancelled

PS 37-25

Ola ka wai, ola ka limu: A mixed-method approach for identifying sources of nitrogen pollution using limu (macroalgae) and water on Kauai Island, HI (widthdrawn)
Amy Markel, University of Hawaii at Manoa

PS 37-26

Long-term nutrient addition in arctic tundra alters decomposition rates through multiple mechanisms
Laura Gough, Towson University; Jennie R. McLaren, University of Texas at El Paso

PS 37-27

Photosynthetic responses of 14 grassland species to 19 years of free-air CO₂ enrichment and nitrogen addition
Melissa A. Pastore, University of Minnesota; Tali D. Lee, University of Wisconsin-Eau Claire; Sarah E. Hobbie, University of Minnesota; Peter B. Reich, University of Minnesota

PS 37-28

Sustained losses of nitrogen, but not other nutrients, from tropical plantation forests
Devin E. McMahon, Stanford University; Rob Jackson, Stanford University; Leonardus Vergütz, Federal University of Viçosa

PS 37-29

How decreasing pH affects the anti-predator response in two species of intertidal snails
Shelby C. Bacus, University of California-Davis; Brittany Jellison, University of California-Davis; Brian Gaylord, University of California, Davis

PS 37 - Biogeochemistry