COS 38
Biogeochemistry: C And N Cycling In Response To Global Change I

Tuesday, August 12, 2014: 1:30 PM-5:00 PM
309/310, Sacramento Convention Center
1:50 PM Cancelled
 The effect of the foresummer drought on carbon exchange in subalpine meadows
Lindsey L. Sloat, University of Arizona; Amanda N. Henderson, University of Arizona; Christine A. Lamanna, University of Maine; Brian J. Enquist, University of Arizona
2:10 PM
 Dry season length and vegetation controls on soil nitric oxide emissions from a semiarid annual grassland
Peter M. Homyak, University of California, Santa Barbara; Joshua P. Schimel, University of California, Santa Barbara; Joseph C. Blankinship, University of California, Santa Barbara; Krystal T. Vasquez, University of California, Riverside; James O. Sickman, UC Riverside
2:30 PM
 Scale-dependent performance of earth system models in simulating terrestrial vegetation carbon
Lifen Jiang, University of Oklahoma; Yaner Yan, Fudan University; Oleksandra Hararuk, University of Oklahoma; Nathaniel Mikle, University of Oklahoma; Jianyang Xia, University of Oklahoma; Zheng Shi, University of Oklahoma; Jerry Tjiputra, University of Bergen; Tongwen Wu, Beijing Climate Center, China Meteorological Administration; Yiqi Luo, University of Oklahoma
2:50 PM
 Changes in simulated rainfall intensity affect nitrogen transformations and leaching potentials in agricultural soils from conventional, no-till, and organic systems
Laura J.T. Hess, Stanford University; Pamela Matson, Stanford University; G. Philip Robertson, Michigan State University
3:10 PM
3:20 PM
 Differential effects of canopy disturbance and litter deposition on litterfall and nutrient dynamics following a simulated hurricane in a tropical forest
Whendee L. Silver, University of California, Berkeley; Steven J. Hall, University of California-Berkeley; Grizelle González, International Institute for Tropical Forestry
3:40 PM
 Spatial and seasonal variability in soil nutrients and decomposer activities in a tropical urban watershed
Daniela F. Cusack, UC - Los Angeles; Taylor L. McCleery, UCLA; Joseph K. Lee, University of British Columbia; Chase LeCroy, UC Santa Barbara
4:00 PM
 Influence of C and N availability on repeated wetting-induced pulses of soil respiration in a southern California desert
Jennifer R. Eberwein, University of California Riverside; G. Darrel Jenerette, University of California
4:20 PM
 Effects of throughfall exclusion and fertilization on soil CO2 efflux and its components in a loblolly pine (Pinus taeda) plantation
Jinyan Yang, University of Georgia; Cody M. Luedtke, University of Georgia; Katherine Madison Akers, University of Georgia; Mary Anne McGuire, University of Georgia; Doug P. Aubrey, Georgia Southern University; Robert Teskey, University of Georgia
4:40 PM
 Effects of altered litter inputs and nutrient additions on rapidly- and slowly-cycling soil carbon in a tropical forest
Sarah Halterman, University of California, Los Angeles; Daniela Cusack, University of California - Los Angeles; Benjamin L. Turner, Smithsonian Tropical Research Institute; S. Joseph Wright, Smithsonian Tropical Research Institute
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