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These data were compiled to study mercury and selenium concentrations in fish species and assemblages in lotic waterbodies across the Upper Colorado River Basin. Data were compiled from State and Federal agencies. This data table contains raw concentration data, as well as standardized concentrations corrected for differences based on sample type (i.e., tissue type), species-specific bioaccumulation rates (Table S1), and fish size (Table S2). The data were used in linear mixed effects models to estimate average mercury and selenium concentration in fish species and in fish assemblages, including fish total length (cm), sampling location (Sub basin name and GPS coordinates), and sampling year (Figures 2,3, and 4...
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Fish tissue from 159 samples collected at four locations in the Buffalo River Area of Concern in 2017 were analyzed for a wide range of analytes including Polychlorinated Biphenyls (PCBs), pesticides, polycyclic aromatic hydrocarbons, organochlorine and other persistent organic compounds, metals, lipid and moisture. Over 230 analytes were analyzed in the tissue samples, including 160 PCB congeners. The data set includes a variety of laboratory quality assurance data including sample replicates, laboratory blank data, laboratory spike data, matrix spike recoveries, and replicate matrix spike recoveries.


    map background search result map search result map Fish tissue mercury and selenium concentrations in Upper Colorado River Basin: 1962-2011 Organic and metal contaminants in fish tissue collected from the Buffalo River Area of Concern, 2017 Organic and metal contaminants in fish tissue collected from the Buffalo River Area of Concern, 2017 Fish tissue mercury and selenium concentrations in Upper Colorado River Basin: 1962-2011