COS 73 - Biogeochemistry: Biogeo Patterns along Environmental Gradients II

Wednesday, August 10, 2011: 1:30 PM-5:00 PM
6B, Austin Convention Center
1:30 PM
The fate of reactive nitrogen differs by hillslope aspect in montane forests of the Colorado Front Range, U.S
Eve-Lyn S. Hinckley, National Ecological Observatory Network (NEON, Inc.); Rebecca T. Barnes, Rice University; Mark Williams, University of Colorado; Suzanne P. Anderson, University of Colorado
1:50 PM
Regional constraints to N2-fixation in post-fire forest succession
Stephanie G. Yelenik, U.S. Geological Survey; Steven S. Perakis, US Geological Survey; David E. Hibbs, Oregon State University
2:10 PM
Soil fluxes of CO2, CH4, and N2O after fertilization across a three million year old soil age gradient
Ben Sullivan, The University of Montana; Megan K. Nasto, University of Montana; Stephen C. Hart, University of California; Bruce A. Hungate, Northern Arizona University; Roderic A. Parnell, Northern Arizona University
2:30 PM
Molecular-level composition of phosphorus in boreal forest soils: Its relationship with edaphic factors and vegetation
Andrea G. Vincent, Umeå University; Jürgen Schleucher, Umeå University; Gerhard Gröbner, Umeå University; Johan Vestergren, Umeå University; Per Persson, Umeå University; Mats Jansson, Umeå University; Reiner Giesler, Umeå University
2:50 PM
Biogeochemistry of a temperate forest nitrogen gradient
Steven Perakis, US Geological Survey; Emily R. Sinkhorn, Oregon State University
3:10 PM
3:20 PM
Nitrogen -based fertilizer application on coffee agroecosystems: Effect on soil nutrients and possible long term impact on productivity
Sebastián Castro, University of Vermont; Mark W. Chandler, Earthwatch Institute; Natalia Ureña, Earthwatch Institute, Costa Rica; Thomas V. Dietsch, Earthwatch Institute
3:40 PM
Topo-edaphic controls over woody biomass in South African savannas
Matt S. Colgan, Stanford University; Gregory P. Asner, Carnegie Institution for Science
4:00 PM
Urine as an important sodium source increases decomposition in a Na-poor but not Na-rich tropical forest
Natalie A. Clay, University of Oklahoma; David A. Donoso, University of Oklahoma; Michael Kaspari, University of Oklahoma
4:20 PM
Above- and below-ground partitioning in tallgrass prairie along a landscape-scale soil moisture continuum: Implications for carbon sequestration
Adam C. von Haden, University of Wisconsin-Green Bay; Mathew E. Dornbush, University of Wisconsin-Green Bay
4:40 PM
Soil greenhouse gas fluxes in the High Sierra: Lessons from a hydrological gradient in a subalpine meadow in Yosemite National Park
Joseph C. Blankinship, University of California, Santa Barbara; Stephen C. Hart, University of California
Copyright © . All rights reserved.
Banner photo by Flickr user greg westfall.