Methylmercury declines in a boreal peatland when experimental sulfate deposition decreases.

@article{Wasik2012MethylmercuryDI,
  title={Methylmercury declines in a boreal peatland when experimental sulfate deposition decreases.},
  author={Jill K Coleman Wasik and Carl P J Mitchell and Daniel R Engstrom and Edward B. Swain and Bruce A Monson and Steven J. Balogh and Jeffrey D Jeremiason and Brian A. Branfireun and Susan L. Eggert and Randall K. Kolka and James E. Almendinger},
  journal={Environmental science & technology},
  year={2012},
  volume={46 12},
  pages={6663-71}
}
Between 2001 and 2008 we experimentally manipulated atmospheric sulfate-loading to a small boreal peatland and monitored the resulting short and long-term changes in methylmercury (MeHg) production. MeHg concentrations and %MeHg (fraction of total-Hg (Hg(T)) present as MeHg) in the porewaters of the experimental treatment reached peak values within a week of sulfate addition and then declined as the added sulfate disappeared. MeHg increased cumulatively over time in the solid-phase peat, which… CONTINUE READING
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