Characterizing Soil Organic Carbon Recalcitrance in Longleaf Pine (Pinus palustris Mill) Stands

John R Butnor1, Lisa J Samuelson2, Peter Anderson3, Carlos A Gonzalez-Benecke4, Claudia M Boot5, M Francesca Cotrufo6, Katherine A Heckman7, Jason A Jackson8, Kurt H Johnsen3, Tom Stokes2 and Chris Swanston9, (1)USDA Forest Service, South Burlington, VT, United States, (2)Auburn University, School of Forestry and Wildlife Sciences, Auburn, AL, United States, (3)USDA Forest Service Southern Research Station, Research Triangle Park, NC, United States, (4)Oregon State University, Forest Engineering, Resources and Management, Corvallis, OR, United States, (5)Colorado State University, Fort Collins, CO, United States, (6)Colorado State University, Soil and Crop Sciences, Fort Collins, CO, United States, (7)USDA Forest Service, Northern Research Station, Houghton, MI, United States, (8)Vance-Granville Community College, Henderson, NC, United States, (9)US Forest Service, Northern Institute of Applied Climate Science, Houghton, MI, United States