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  1. Some Relationships Between Sedimentary Trace Metal Concentrations and Freshwater Phytoplankton and Sedimentary Diatom Species...

    Sediments from 21 Oregon lakes were analyzed for seven metals (Fe, Mn, Zn, Cu, Co, Ni, V) in three forms (exchangeable, organic+sulfides, and oxyhydroxides+ oxides+ carbonates) using a sequential fractionation...