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COS 43 - Biogeochemistry: Biogeo Patterns Along Environmental Gradients

Wednesday, August 14, 2019: 8:00 AM-11:30 AM
M111, Kentucky International Convention Center
Presider:
Karen A. Baumann
8:00 AM
COS 43-1
Temperature sensitivity of forest soil N cycling across latitudinal and elevational gradients
Justin Gay, Montana State University; Jack Brookshire, Montana State University
8:20 AM
COS 43-2
Isotopic indicators and modelled controls of N cycling along a precipitation gradient in Hawaii
Peter M. Vitousek, Stanford University; Michael B Burnett, Stanford University; Christian von Sperber, McGill University; Karen Casciotti, Stanford University
8:40 AM
COS 43-3
Sodium addition increases plant herbivory
Ellen Welti, The University of Oklahoma; Katerina Ozment, University of Oklahoma; Nathan J. Sanders, University of Vermont; Michael Kaspari, University of Oklahoma
9:00 AM
COS 43-4
The phytochemical landscape of sodium across a natural heterogeneous soilscape
Luis Santiago-Rosario, Louisiana State University; Kyle Harms, Louisiana State University
9:20 AM
COS 43-5
Riparian denitrification prevents groundwater nitrate from reaching an intermittent blackwater stream
C. Rhett Jackson, University of Georgia; Johnson Jeffers, University of Georgia; Natalie A. Griffiths, Oak Ridge National Laboratory; Benjamin M. Rau, USDA Forest Service; Menberu Bitew, University of Georgia; Kellie B. Vache, Oregon State University
9:40 AM
COS 43-
Break
9:50 AM
COS 43-6
Mice-o-scapes: Using isotopes to understand the effects of climate and landscape change on small-mammal ecology over the past century
Tara M. Smiley, Indiana University; Jennifer M. Cotton, California State University, Northridge; Natalie R. Packard, University of Michigan; Michelle Jimenez, California State University, Northridge; Rebecca C. Terry, Oregon State University
10:10 AM
COS 43-7
Does bacterial nitrification always positively respond to N fertilization?
Di Liang, Michigan State University; G Philip Robertson, Michigan State University
10:30 AM
COS 43-8
Self-organized redox patterning in soils controlled by hydrology
Xiaoli Dong, UC Davis; Daniel deB Richter, Duke University
10:50 AM
COS 43-9
Fate of newly added organic carbon substrates in soils along a Hawaiian mineralogical soil gradient
Avishesh Neupane, University of California, Los Angeles; Peter M. Vitousek, Stanford University; William C. Hockaday, Baylor University; Daniela F. Cusack, University of California - Los Angeles
11:10 AM
COS 43-10
Climate, soil properties and plant traits contributed to the spatial variability of net ecosystem exchange differently between forests and grasslands
Huimin Zhou, East China Normal University; Xuhui Zhou, East China Normal University; Junjiong Shao, East China Normal University
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