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Add another item to the ever-growing list of the dangerous impacts of climate change: Warming oceans are leading to an increase of the harmful neurotoxicant methylmercury in popular seafood, including...
Thiols in wetland interstitial waters and their role in mercury and methylmercury speciation
wetland interstitial waters their role in mercury methylmercury speciation
2014/5/19
Organic sulfhydryl compounds, or thiols, are ligands that strongly complex class B metals such as Hg and methylmercury (MeHg). We determined the concentration profiles of five low-molecular-weight thi...
Biological and photochemical production of dissolved gaseous mercury in a boreal lake
Biological and photochemical production dissolved gaseous mercury boreal lake
2014/5/19
We used in situ experiments and measured depth profiles of dissolved gaseous mercury (DGM) to investigate the relative contribution of photochemical versus biological processes on the production of DG...
Salmon-derived mercury and nutrients in a Lake Ontario spawning stream
Salmon-derived mercury nutrients Lake Ontario spawning stream
2014/5/19
We tested the hypothesis that concentrations of mercury species (Hg) and nutrients (NH4+, NO3-, P, and dissolved organic carbon) in abiotic and biotic components would be altered by the decomposition ...
Antagonistic effect of selenium on mercury assimilation by fish populations near Sudbury metal smelters?
selenium on mercury assimilation fish populations near Sudbury metal smelters
2014/6/10
In this study, the concentrations of Se and Hg were determined in perch (Perca flavescens) and walleye (Stizosedion vitreum) muscle from nine lakes that varied in distance (4-204 km) from the metal sm...