Methylmercury declines in a boreal peatland when experimental sulfate deposition decreases

Jill K. Coleman Wasik, Carl P.J. Mitchell, Daniel R. Engstrom, Edward B. Swain, Bruce A. Monson, Steven J. Balogh, Jeffrey D. Jeremiason, Brian A. Branfireun, Susan L. Eggert, Randall K. Kolka, James E. Almendinger