Carbon–Mercury Interactions in Spodosols Assessed through Density Fractionation, Radiocarbon Analysis, and Soil Survey Information

National Science FoundationNational Science Foundation (NSF) [EF-1340681, AGS-1262634, AGS-1659338]; USDA-Forest ServiceUnited States Department of Agriculture (USDA)United States Forest Service [13-CR11242306-077, 13-CR11242306-071]; USDA-National Institute of Food and Agriculture, McIntire-Stennis Cooperative Forestry Research Program [2015-32100-06099, 2016-32100-06099]; NSFNational Science Foundation (NSF); [EF-1029808]