TY - RPRT TI - Competition between dissolved organic matter and freshwater plankton control methylmercury isotope fractionation during uptake and photochemical demethylation AU - Grace Jane Armstrong AU - Sarah E. Janssen AU - Brett A. Poulin AU - Michael T. Tate AU - David P. Krabbenhoft AU - James P. Hurley PY - 2023 DO - 10.1021/acsearthspacechem.3c00154 UR - https://pubs.usgs.gov/publication/70250337 ID - 70250337 ER -