Red sea corals as biomonitors of trace metal pollution

  • R. G. Hanna
  • G. L. Muir
Biological Assessment of Impact


Red Sea corals have been found to be biomonitors of trace metal pollution. A comparative study was undertaken on three species from a polluted area near a desalination plant at Jeddah (Saudi Arabia) and from an unpolluted area. The results show that corals take-up trace elements from their aquatic environment and thereby act to record changes in the composition of that environment. Variations in the composition of skeletons and soft tissues of corals have been correlated with changes in sea water composition. Three coral species, Porites lutea, Goniastrea retiformis and Pocillopora verrucosa have been analysed for Hg, Cu, Zn, Pb, Mn, Fe, Ni, Cd, V, Al, Cr, Mg, B, Ca, and Sr in both skeletal and soft tissues. Results show that corals in the polluted areas have significantly higher concentrations of trace elements compared to that of corals from unpolluted areas.


Soft Tissue Environmental Management Trace Metal Aquatic Environment Saudi Arabia 
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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • R. G. Hanna
    • 1
  • G. L. Muir
    • 1
  1. 1.State Pollution Control Commission of N.S.W.Australia

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