TY - RPRT TI - Methylmercury bioaccumulation in stream food webs declines with increasing primary production AU - David Walters AU - D.F. Raikow AU - C.R. Hammerschmidt AU - M.G. Mehling AU - A. Kovach AU - J.T. Oris PY - 2015 DO - 10.1021/acs.est.5b00911 UR - https://pubs.usgs.gov/publication/70156781 ID - 70156781 ER -