Trends in genetic divergence of Biomphalaria alexandrina snails and Oreochromis niloticus fish in response to water quality of Lake Burullus, Egypt.

El-Khayat, Hanaa M. M.; Abd-Elkawy, Sohair; Ahmed, Mohamed M.; Ouf, Nouran A. Abou; Mohammed, Wafaa

doi:10.21608/ejabf.2018.11113

Cited by 3 publications

(1 citation statement)

References 21 publications

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“…The loss in the water area of the lake returns to the infringement of large areas of the southern and southwestern parts of the lake for reclamation activities and transformation of the lakes to fish farms along their southern regions. Moreover, discharging of the drained wastewater from the drains into the lake leads to increase in number and area of islands inside the lake and to the progressive growth of aquatic plants (El-Khayat et al 2018;Mohsen et al, 2018). Because of the huge amount of rich nutrient wastes discharged to the lake, nitrogen and phosphorus up to elevated levels causing dense algal blooms and eutrophication phenomenon.…”

Section: Introductionmentioning

confidence: 99%

Nutrient Salts and Eutrophication Assessment in Northern Delta Lakes: Case study Burullus Lake, Egypt

Elsayed¹,

Okbah²,

El-Syed³

et al. 2019

Egypt. J. of Aquatic Biolo. and Fish.

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This study was designed to assess the levels of nutrient salts and eutrophication status in Burullus Lake water. Most of the physicochemical characteristics showed wide variations among the sites and seasons (p<0.01). The water of the lake was in the alkaline side, and pH value fluctuated in the range (7.47-8.96). The lake water was oxygenated around the year (2.10 and 13.40 mg/l). The nutrient salts showed a lot of fluctuations, often occurring in high concentrations, with a remarkable spatial and temporal difference (p<0.001). As a result of nutrient enrichment, Chlorophyll-a (Chl-a) recorded abnormal high concentrations up to 648.3 µg/L. TN:TP ratio implied that phosphorus is the limiting factor for phytoplankton growth in Burullus Lake. The high levels of nutrient salts and Chl-a together serve as a good indicator of hypertrophic levels in the lake water. This observation was confirmed by the data of the Trophic State Index (TSI) using Chl-a, TP, TN, and Secchi depth that indicated the hypereutrophic state of Burullus Lake associated with poorly of its water quality. Our results indicated the existence of dramatic deterioration in Burullus Lake because of human activities and the discharge of wastewater to the lake.

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Section: Introductionmentioning

confidence: 99%

Nutrient Salts and Eutrophication Assessment in Northern Delta Lakes: Case study Burullus Lake, Egypt

Elsayed¹,

Okbah²,

El-Syed³

et al. 2019

Egypt. J. of Aquatic Biolo. and Fish.

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Water Quality and Microbiological Assessment of Burullus Lake and Its Surrounding Drains

Al-Afify

Abdo

Othman

et al. 2023

Water Air Soil Pollut

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Burullus Lake, which is the second-largest coastal lagoon in Egypt, is deteriorating due to nutrient enrichment and pollutant loading. The study aims to assess the lake’s water quality using water quality indices and microbiological assessment. Surface water samples were collected from Burullus Lake in winter and summer, as well as samples from drains that discharge waste into the lake. Most lake stations are classified in the marginal category based on the water quality index (WQI). Dissolved oxygen, ammonia, copper, and cadmium have the greatest impact on WQI, reflecting pollution loads. Based on the contamination index, heavy metal classification results ranged from “lowly polluted” to “highly polluted.” According to the Nemerow Index, human activity has significantly impaired the ecology of the lake and surrounding drains through copper and cadmium pollution. The fecal coliform/fecal streptococci ratio was less than 0.6 in lake water samples, suggesting fecal contamination from domesticated animal wastes. Drain water contaminated with fecal streptococci indicated frequent contamination. Several drains allow a significant amount of effluent, including high amounts of pesticides and fertilizers, to enter the lake, causing serious metal and microbiological pollution Dredging and deepening the inlet link between the lake and Mediterranean Sea have had a positive impact on water quality. However, there are still other options for improving the lake’s health. Therefore, it is recommended to routinely check Burullus Lake’s water quality and its surrounding drains to keep track of its condition and assess any improvement efforts’ effectiveness.

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Statistical analysis for water quality data using ANOVA (Case study – Lake Burullus influent drains)

Hassan,

Samy,

Hegazy

et al. 2024

Ain Shams Engineering Journal

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Trends in genetic divergence of Biomphalaria alexandrina snails and Oreochromis niloticus fish in response to water quality of Lake Burullus, Egypt.

Cited by 3 publications

References 21 publications

Nutrient Salts and Eutrophication Assessment in Northern Delta Lakes: Case study Burullus Lake, Egypt

Nutrient Salts and Eutrophication Assessment in Northern Delta Lakes: Case study Burullus Lake, Egypt

Water Quality and Microbiological Assessment of Burullus Lake and Its Surrounding Drains

Statistical analysis for water quality data using ANOVA (Case study – Lake Burullus influent drains)

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