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Southeastern Section - 67th Annual Meeting - 2018

Session No. 33
Friday, 13 April 2018: 1:30 PM-5:30 PM
Room 301 A (Knoxville Convention Center)

T10. Biogeochemical Cycling and Microbial Dynamics in Response to Pulse Events

GSA Sedimentary Geology Division

 

Sean M. Schaeffer and Jennifer M. DeBruyn, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
33-1
1:35 PM
STIMULATION OF ANAEROBIC ORGANIC MATTER DEGRADATION BY NITROGEN ADDITION IN TUNDRA SOILS
PHILBEN, Michael1, ZHENG, Jianqiu2, GRAHAM, David2, BILL, Markus3, HEIKOOP, Jeff4, WULLSCHLEGER, Stan1 and GU, Baohua1, (1)Environmental Sciences Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, (2)Biosciences Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, (3)Earth Sciences Division, Lawrence Berkeley National Laboratory, Mailstop 70A-4418, Berkeley, CA 94720, (4)Earth and Environmental Sciences Division, Los Alamos National Lab, Los Alamos, NM 87545
33-2
1:55 PM
COUPLED ECOSYSTEM CARBON AND NUTRIENT CYCLING IN A HIGH ARCTIC ECOSYSTEM ARE ALTERED BY WARMING AND HIGHER RAINFALL
SCHAEFFER, Sean M., Biosystems Engineering and Soil Science, University of Tennessee, 2506 EJ Chapman Dr, Knoxville, TN 37996
33-3
2:15 PM
SENSITIVITY OF MICROBIAL PROCESSING OF SOIL CARBON TO SOIL MOISTURE IN DIFFERENTLY-TEXTURED SOILS
SINGH, Shikha1, JAGADAMMA, Sindhu1, LIANG, Junyi2, WANG, Gangsheng3 and MAYES, Melanie3, (1)Biosystems Engineering and Soil Science, University of Tennessee, Knoxville, TN 37996, (2)Oak Ridge National Laboratory, Oak Ridge, TN 37830, (3)Climate Change Science Institute and Environmental Sciences Division, Oak Ridge National Laboratory, PO Box 2008, MS 6038, Oak Ridge, TN 37917
33-4
2:35 PM
CONSERVATION AGRICULTURAL MANAGEMENT PRACTICES OFFSET THE LOSS OF 13C-LABELED GLUCOSE IN SOIL UNDER MOISTURE PULSE EVENTS
LI, Lidong, Department of Biosystems Engineering and Soil Science, University of Tennessee Institute of Agriculture, 2506 E.J. Chapman Drive, PBB 150, KNOXVILLE, TN 37919 and SCHAEFFER, Sean M., Biosystems Engineering and Soil Science, University of Tennessee, 2506 EJ Chapman Dr, Knoxville, TN 37996
 
2:55 PM
Break
33-5
3:15 PM
TEMPERATURE AND MICROBIAL EFFECTS ON NITROGEN CYCLING AT SIMULATED MORTALITY DECOMPOSITION HOTSPOTS
KEENAN, Sarah W. and DEBRUYN, Jennifer M., Biosystems Engineering and Soil Science, University of Tennessee, 2506 E. J. Chapman Drive, Knoxville, TN 37996
33-6
3:35 PM
THE RESPONSE OF GREENHOUSE GAS EMISSIONS TO PULSE CHANGES IN MOISTURE CONTENT IN TROPICAL RAINFOREST SOILS
QUINN, Ryan K.1, PHILLIPS, Jana1, BRENNER, Julia1, LOPEZ, Carla L.2 and MAYES, Melanie3, (1)Environmental Sciences Division, Oak Ridge National Laboratory, 1505 White Oak Avenue, Oak Ridge, TN 37831, (2)Southeast Environmental Research Center, Florida International University, Miami, FL 33199, (3)Climate Change Science Institute and Environmental Sciences Division, Oak Ridge National Laboratory, PO Box 2008, MS 6038, Oak Ridge, TN 37917
33-7
3:55 PM
REGULATION OF MICROBIAL ACTIVITY AND SOIL ORGANIC MATTER DECOMPOSITION IN RESPONSE TO RESOURCES AVAILABILITY BY OPTIMIZING ENZYME ALLOCATION: AN OMICS-INFORMED MODEL STUDY
SONG, Yang1, MAYES, Melanie2, YAO, Qiuming3, WANG, Gangsheng2 and YANG, Xiaojuan2, (1)Climate Change Science Institute and Environmental Sciences Devision, Oak Ridge National Lab, 1 Bethel Valley Rd., Oak Ridge, TN 37830, (2)Climate Change Science Institute and Environmental Sciences Division, Oak Ridge National Laboratory, PO Box 2008, MS 6038, Oak Ridge, TN 37917, (3)Computer Science and Mathematics Division, Oak Ridge National Lab, Oak Ridge, TN 37830
 
4:15 PM
Discussion
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