Assessment of Bacterial Biota and Heavy Metals Pollution of Lake Manzala
El-serafy, M., Ismail, A., Zaky, M. (2022). Assessment of Bacterial Biota and Heavy Metals Pollution of Lake Manzala. EKB Journal Management System, 3(2), 372-383. doi: 10.21608/ajbas.2022.115353.1084
Marwa Abd-elbaky El-serafy; Ahmed Ismail; Mahmoud Zaky. "Assessment of Bacterial Biota and Heavy Metals Pollution of Lake Manzala". EKB Journal Management System, 3, 2, 2022, 372-383. doi: 10.21608/ajbas.2022.115353.1084
El-serafy, M., Ismail, A., Zaky, M. (2022). 'Assessment of Bacterial Biota and Heavy Metals Pollution of Lake Manzala', EKB Journal Management System, 3(2), pp. 372-383. doi: 10.21608/ajbas.2022.115353.1084
El-serafy, M., Ismail, A., Zaky, M. Assessment of Bacterial Biota and Heavy Metals Pollution of Lake Manzala. EKB Journal Management System, 2022; 3(2): 372-383. doi: 10.21608/ajbas.2022.115353.1084

Assessment of Bacterial Biota and Heavy Metals Pollution of Lake Manzala

Alfarama Journal of Basic & Applied Sciences
Article 14, Volume 3, Issue 2, July 2022, Page 372-383  XML PDF (615.17 K)
Document Type: Original Article
DOI: 10.21608/ajbas.2022.115353.1084
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Authors
Marwa Abd-elbaky El-serafy1; Ahmed Ismail email 2; Mahmoud Zaky1
1Department of Botany, Faculty of Science, Port Said University
2Department of Environmental science, Faculty of Science, Port Said University
Abstract
Lake Manzala is Egypt's largest lagoon and one of most important fishing sources in the country. The lake faces numerous environmental challenges that have an impact on its water quality. This study was conducted to assess some characteristics lake’s water. Seasonal water samples were collected from three lake stations during the years 2020 (autumn, winter, spring, and summer). Water samples were collected and analyzed physicochemically as well as microbiologically. The findings revealed significant variations in water's physical and chemical properties, including : temperature (13.8°C in spring -34.3°C in autumn), pH (9.09 - 6.2), dissolved oxygen (1.01 -14.66 mgl-1), total dissolved solids (408-260 mgl-1), total suspended solids (288-72 mgl-1), ammonia (0.02 -6.15 mgl-1), nitrite (0.39 -0.013 mgl-1), nitrate (0.22 - 2.6 mgl-1), T.phosphate (2611-1395.5 mgl-1), Fe (214-35 mgl-1), Mn (7.3 -66.7 mgl-1) , Cu (1.02 -5.46 mgl-1), Pb(1.01 -9.9 mgl-1), Cd(1.01-9.9 mgl-1) and  Zn (16.8 -45.4 mgl-1). The findings indicate that the lake's water quality is critical. The results also revealed a high density of total viable bacterial count and indicator organisms such as total viable bacteria, faecal coli forms, Aeromonas spp < /em>, and Total coliform bacteria. It is concluded that water in Lake Manzala is highly damaged and the phenomena need more attention in order to reduce the pollution load that reaches the Mediterranean Sea.
Keywords
Heavymetal Accumulation; Lake Manzala; Microbial Pollution; Wastewater; Water Quality
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