Monitoring heavy metal contamination levels and microbiological pollution in seawater of Agadir coastal zones

Illyass Bazzi, Khadija El Mouaden, Aicha Chaouay, Abdelaziz Ait Addi, Mohamed Hamdani, Souad El Issami, Mustapha Hilali, Belkheir Hammouti, Khalid Abbiche, Rachid Salghi


The objective of this study was to monitor the bacteriological contamination of the seawater of the marine fisheries of the coastal Agadir, Morocco. The study was focused on the diagnosis on the pollution in heavy metals, such as cadmium, lead, and mercury in five zones: the port of Imi Ouaddar fish boarding (zone Z1), the old port of Agadir (zones Z2 and Z3), the port of Agadir Marina (zone Z4), and the estuary of Oued Souss (zone Z5). The analyses were done by testing physicochemical parameters (such as pH, temperature, dissolved oxygen, salinity and conductivity) as well as microbiological and atomic adsorption analyses. The experimental results showed that the values of the physicochemical parameters were almost the same in all zones, while the microbial conditions were different, in which this is due to the existence of heavy metals. The more heavy metal concentrations affected the condition of microbes in the sea water, confirmed by the number of Escherichia coli. This study demonstrated the importance of controlling concentration of heavy metals for better sustainability of environment.


Heavy metals; Agadir coastal; seawater; microbiological pollution, atomic adsorption.

Full Text:



Alla, A. A., Mouneyrac, C., Durou, C., Moukrim, A., & Pellerin, J. (2006). Tolerance and biomarkers as useful tools for assessing environmental quality in the Oued Souss estuary (Bay of Agadir, Morocco). Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology, 143(1), 23-29.

Anshar, A. M., Taba, P., & Raya, I. (2016). Kinetic and Thermodynamics Studies the Adsorption of Phenol on Activated Carbon from Rice Husk Activated by ZnCl2. Indonesian Journal of Science and Technology, 1(1), 47-60.

Campbell, P. G. C. (2006). Cadmium-A priority pollutant, Environmental Chemistry, 3(6), 387–388.

Chahid, A., Hilali, M.,Benlhachimi, A., & Bouzid, T., (2014). Contents of cadmium, mercury and lead in fish from the Atlantic sea (Morocco) determined by atomic absorption spectrometry, Food Chemistry, 14715, 357-360

Elmouaden, K., Chaouay, A., Oukhrib, R., Jbara, O., Jodeh, S., Salghi, R., Hamed, O., Hilali, M., bazzi, L., Hammouti, B., & Radi, S., (2015). Microbiological Pollution of Marine Environment of the Coastal of Agadir. Impact on the Corrosion of Mild Steel. International Journal of Electrochemical Science, 10, 7955 – 7965

Elmouaden, K., Jodeh, S., Chaouay, A., Oukhrib, R., Salghi, R., Bazzi, L., & Hilali, M., (2016). Sulfate-Reducing Bacteria Impact on Copper Corrosion Behavior in Natural Seawater Environment. Journal of Surface Engineered Materials and Advanced Technology, 6, 36-46.

Kundu, P., & Mishra, I. M., (2017). Treatment and reclamation of hydrocarbon-bearing oily wastewater as a hazardous pollutant by different processes and technologies: a state-of-the-art review, Review in Chemical Engineering, 35(1), 73-108

Laasri, A., Et-taleb, S., Morad, Y., Hilali, M., & Benlhachemi, A., (2016). Physico-chemical study of marine waters sands in the region of Sidi Ifni: particle size and determination of the concentration of heavy metals, Journal of Materials and Environmental Science, 7(12), 4778-4785

Maanan, M., (2008). Heavy metal concentrations in marine molluscs from the Moroccan coastal region, Environmental Pollution, 153, 176-183

Nandiyanto, A. B. D., Sukmafitri, A., Ragadhita, R., Oktiani, R., Haristiani, N., & Hamidah, I. (2019). Conventional filter for the water treatment system in rural area. Journal of Engineering Science and Technology, 14(4), 2090-2097.

Rees A.B., Turner A., & Comber, S. (2014). Metal contamination of sediment by paint peeling from abandoned boats, with particular reference to lead, The Science of the Total Environment, 494, 313-319

Sakellariadou, F., (2015). Maritime pollutants in shipping and commercial European ports based on relevant physical and biogeochemical environmental parameters (IUPAC Technical Report), Pure and Applied Chemistry, 87(11-12), 1151–1166

Temara, A., Warnau, M., Jangoux, M., & Dubois, P. (1997). Factors influencing the concentrations of heavy metals in the asteroid Asterias rubens L.(Echinodermata). Science of the total environment, 203(1), 51-63.

Waqas, S., & Bilad, M. R. (2019). A review on rotating biological contactors. Indonesian Journal of Science and Technology, 4(2), 241-256.

Weggler, K., McLaughlin, M. J., & Graham, R. D., (2004). Effect of Chloride in Soil Solution on the Plant Availability of Biosolid-Borne Cadmium, Journal of Environmental Quality, 33(2), 496–504.

Zeroual, S., El Bakkal, S.E., Mansori, M., Lhernould, S. Faugeron-Girard, C., El Kaoua, M., & Zehhar N., (2020). Cell wall thickening in two Ulva species in response to heavy metal marine pollution, Regional Studies in Marine Science, 35, 101-125.



  • There are currently no refbacks.

Copyright (c) 2020 Indonesian Journal of Science and Technology

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Indonesian Journal of Science and Technology is published by UPI.
StatCounter - Free Web Tracker and Counter
View My Stats