Anthropogenic Declines in Deep Roots Constrain Deep Soil Organic Carbon Forms and Fluxes

Sharon A Billings1, Pamela L Sullivan2, Ligia Souza3, Emma Hauser4, Terry Loecke5, Kyler Lang3, Charles W Rice6, Daniel Hirmas5, Daniel deB. Richter Jr7, Alexander Cherkinsky8 and Daniel Markewitz8, (1)University of Kansas, Department of Ecology and Evolutionary Biology and Kansas Biological Survey, Lawrence, KS, United States, (2)Oregon State University, College of Earth, Ocean, and Atmospheric Science, Corvallis, OR, United States, (3)University of Kansas, Lawrence, United States, (4)University of Kansas, Ecology and Evolutionary Biology, Lawrence, KS, United States, (5)University of Kansas, Lawrence, KS, United States, (6)Kansas State University, Agronomy, Manhattan, KS, United States, (7)Duke University, Nicholas School of the Environment, Durham, NC, United States, (8)University of Georgia, Athens, GA, United States