Assessment of trace element contamination and bioaccumulation in algae (Ulva lactuca), mussels (Perna perna), shrimp (Penaeus kerathurus), and fish (Mugil cephalus, Saratherondon melanotheron) along the Senegalese coast

Mar Pollut Bull. 2016 Feb 15;103(1-2):339-343. doi: 10.1016/j.marpolbul.2015.12.038. Epub 2016 Jan 4.


Concentrations of 11 elements were quantified in five marine species from different trophic levels of a food web (algae, mussel, shrimp and fish), representative for shallow Senegalese coastal waters, and including species of commercial importance. Significant differences in element concentrations and bioaccumulation were demonstrated, revealing the utility of employing a suite of organisms as bioindicators to monitor metal contamination in coastal areas. There was no clear seasonal pattern in concentration of elements, however inter-site differences were observed. Calculations of transfer factors for all the studied elements showed that transfer factors from water were greater than those from sediments. For shrimp and mussel, the concentrations of Pb and Cd were below the EU's maximum level for human consumption, however high concentrations of arsenic in shrimp were recorded at all sites.

Keywords: Bioaccumulation; Elements; Marine organisms; Pollution; Senegal.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Cichlids / metabolism
  • Environmental Monitoring / methods*
  • Fishes / metabolism*
  • Food Chain
  • Humans
  • Metals, Heavy / analysis*
  • Metals, Heavy / metabolism
  • Penaeidae / chemistry*
  • Penaeidae / metabolism
  • Perna / chemistry*
  • Perna / metabolism
  • Seasons
  • Senegal
  • Shellfish / analysis
  • Smegmamorpha / metabolism
  • Trace Elements / analysis*
  • Trace Elements / metabolism
  • Ulva / chemistry*
  • Ulva / metabolism
  • Water Pollutants, Chemical / analysis
  • Water Pollutants, Chemical / metabolism


  • Metals, Heavy
  • Trace Elements
  • Water Pollutants, Chemical