• Title of article

    Using trace element concentrations in Corbicula fluminea to identify potential sources of contamination in an urban river

  • Author/Authors

    Gretchen Loeffler Peltier، نويسنده , , Judith L. Meyer، نويسنده , , Charles H. Jagoe، نويسنده , , William A. Hopkins، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    8
  • From page
    283
  • To page
    290
  • Abstract
    We used the biomonitor, Corbicula fluminea, to investigate the contributions of trace elements associated with different point sources and land uses in a large river. Trace elements were analyzed in tissues of clams collected from 15 tributary streams draining five land use or point source types: agriculture, forest, urban, coal-fired power plant (CFPP), and wastewater (WWTP). Clams from forested catchments had elevated Hg concentrations, and concentrations of arsenic and selenium were highest (5.0 ± 0.2 and 13.6 ± 0.9 μg g−1 dry mass (DM), respectively) in clams from CFPP sites. Cadmium concentrations were significantly higher in clams from urban and CFPP sites (4.1 ± 0.2 and 3.6 ± 0.9 μg g−1 DM, respectively). Non-metric multidimensional scaling (NMS) of tissue concentrations in clams clustered at CFPP and forest/agriculture sites at opposite ends of the ordination space, and the distribution of sites was driven by Cu, Zn, Cd, and Hg.
  • Keywords
    Corbicula fluminea , selenium , arsenic , urban , Coal
  • Journal title
    ENVIRONMENTAL POLLUTION
  • Serial Year
    2008
  • Journal title
    ENVIRONMENTAL POLLUTION
  • Record number

    731618