Sofi Jonsson

Assistant professor
Room: R525
Phone: +46 08-674 71 87
Sofi.Jonsson@aces.su.se

Mercury Biogeochemistry in Aquatic Systems

I’m a chemist and the research conducted in my group is focused on understanding fundamental biogeochemistry of mercury (Hg) in aquatic systems. Mercury (Hg) is mobilized from the Earth’s crust by natural and anthropogenic activities such as burning of fossil fuels, small-scale gold mining and by volcanic activities. In the environment, Hg is methylated and accumulated as monomethylmercury (MMeHg) in aquatic food webs, thereby posing a  threat to human and wildlife health. My research focuses on understanding fundamental chemical and biological processes that influence the formation, degradation and bioaccumulation of methylated mercury species in aquatic systems. This research improves our ability to manage Hg pollution and to  predict the impact of changes in Hg emission rates in relation to climate and anthropogenic land use.

Latest scientific papers

Challenges and opportunities for managing aquatic mercury pollution in altered landscapes

Hsu-Kim, H; Eckley, CS; Acha, D; Feng, XB; Gilmour, CC; Jonsson, S; Mitchell, CPJ
2018 | Ambio | 47 (2) (141-169)

Terrestrial discharges mediate trophic shifts and enhance methylmercury accumulation in estuarine biota

Jonsson, S; Andersson, A; Nilsson, MB; Skyllberg, U; Lundberg, E; Schaefer, JK; Akerblom, S; Bjorn, E
2017 | Sci. Adv. | 3 (1)

Dimethylmercury Formation Mediated by Inorganic and Organic Reduced Sulfur Surfaces

Jonsson, S; Mazrui, NM; Mason, RP
2016 | Sci Rep | 6

Enhanced availability of mercury bound to dissolved organic matter for methylation in marine sediments

Mazrui, NM; Jonsson, S; Thota, S; Zhao, J; Mason, RP
2016 | Geochim. Cosmochim. Acta | 194 (153-162)

Effects of Nutrient Loading and Mercury Chemical Speciation on the Formation and Degradation of Methylmercury in Estuarine Sediment

Van, LN; Jonsson, S; Skyllberg, U; Nilsson, MB; Andersson, A; Lundberg, E; Bjorn, E
2016 | Environ. Sci. Technol. | 50 (13) (6983-6990)

All publications

Biogeochemistry

How human activities affect natural processes that drive the major biogeochemical cycles that ultimately govern the composition of the environment.