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Bacterial, nutrients and heavy metal ions pollution assessment along the eastern coastal area of the United Arab Emirates

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Journal of Aquatic Ecosystem Health

Abstract

A program to monitor nutrients and heavy metal ions concentrations in addition to selected bacterial communities counts was carried out at three sites along the eastern coast of the United Arab Emirates on the Gulf of Oman. Total saprophytic bacteria (TSB), salt tolerant saprophytic bacteria (STSB), Gram-negative bacteria (GNB), total coliform (TC), and faecal coliform bacteria (FC) were enumerated. The concentrations of heavy metal ions including Mn, Fe, Pb, Cd, Zn, Cr, Ni, Co and Cu were determined by atomic absorption spectrometry. Bacterial counts had a distinct pattern with peaks in mid spring (May) and in autumn (October). The TSB, STSB and the GNB ranges fluctuated between, 3.3 × 104 to 4 × 105, 1.8 × 104 to 2.5 × 105 and 0.7 × 104 to 1.3 × 105 colony forming units (CFU) ml−1, respectively. Total and faecal coliform bacteria fluctuated depending on several factors including the presence of nearby recreation and commercial areas, but were at no time consistently high.Bacillus, Pseudomonas, Staphylococcus, Micrococcus and Alteromonas, were the predominant bacterial genera in these waters. Major nutrients and trace heavy metal ions concentrations were within the normal ranges for sea water with occasional sharp fluctuations in some sites. It was generally concluded that the area is slightly polluted.

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Authors and Affiliations

  1. Department of Biology, UAE University, Al-Ain, UAE

    E. S. Hassan & I. M. Banat

  2. Department of Chemistry, UAE University, Al-Ain, UAE

    M. S. El-Shahawi

  3. Desert and Marine Environment Research Center, UAE University, Al-Ain, UAE

    A. H. Abu-Hilal

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  1. E. S. Hassan
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  2. I. M. Banat
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  3. M. S. El-Shahawi
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  4. A. H. Abu-Hilal
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Hassan, E.S., Banat, I.M., El-Shahawi, M.S. et al. Bacterial, nutrients and heavy metal ions pollution assessment along the eastern coastal area of the United Arab Emirates. J Aquat Ecosyst Stress Recov 5, 73–81 (1996). https://doi.org/10.1007/BF00691731

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  • DOI: https://doi.org/10.1007/BF00691731

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