Trace metals in water, sediments and marine organisms from the northern part of the Gulf of Suez, Red Sea

El-Moselhy, Khalid M.; Gabal, Mahmoud Nageib

doi:10.1016/j.jmarsys.2003.11.014

Cited by 68 publications

(38 citation statements)

References 10 publications

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“…The Zn and Cr concentrations in this study were higher than those in the Seletar River of Singapore [32]. Compared with gulfs and ports such as the Gulf of Suez in Egypt and Port Jackson in Australia, a similar situation was found in the present study [34,35]. This result could be attributed to the fact that Dongzhaigang was a semi-enclosed sea port and similar to a gulf.…”

Section: Comparison With Other Study Areassupporting

confidence: 81%

Genetic Algorithm-Based Fuzzy Comprehensive Evaluation of Water Quality in Dongzhaigang

Wen

Zeng

et al. 2015

Water

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The concentrations of dissolved inorganic nitrogen (DIN; NO2− -N, NH3-N, and NO3 − -N), PO4 3− -P, dissolved oxygen (DO), chemical oxygen demand (COD), five-day biological oxygen demand (BOD5), oil, Si, and seven heavy metals (Hg, Cr, Cu, As, Zn, Pb, and Cd) in seawater from the Dongzhaigang National Mangrove Nature Reserve of China in 2013 were determined. Except for the concentrations of the COD, BOD5, Cr, Hg, Cu, As, and Cd, each index in seawater were found to be over the limits of I-Class seawater standards. The index of organic pollution showed that the pollution level in this study area reached level 6; eutrophication levels indicated that the nutritional level reached level 4. According to the water quality index model, the sea area was slightly polluted by heavy metals. In a genetic algorithm-based fuzzy comprehensive evaluation, the results for organic pollutants, nutrients, and heavy metal pollution can be combined to evaluate the OPEN ACCESSWater 2015, 7 4822 water quality as a whole. Results showed that the sea area in Dongzhaigang did not have a healthy water environment, but was seriously polluted by organic pollutants and nutrients.

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Section: Comparison With Other Study Areassupporting

confidence: 81%

Genetic Algorithm-Based Fuzzy Comprehensive Evaluation of Water Quality in Dongzhaigang

Wen

Zeng

et al. 2015

Water

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“…Metal bioaccumulation by marine organisms has been the subject of considerable interest in recent years because of serious concern that high levels of metals may have detrimental effects on the marine organisms that can affect their suitability as food for humans (El-Moselhy & Gabal, 2004). In Charybdis natator, metal accumulation followed the order: Zn>Cu>Fe>Pb>Cd.…”

Section: Discussionmentioning

confidence: 99%

Edibility assessment of the swimming crab Charybdis natator (Brachyura: Portunidae) from the Gulf of Suez, Red Sea, Egypt

Sallam

Gab-Alla

2009

Egypt. J. of Aquatic Biolo. and Fish.

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ABSTRACThe portunid crab Charybdis natator exists in the commercial catches of the Gulf of Suez trawlers in a considerable quantity. Although edible worldwide, this crab is hardly known among local consumers. This study aimed to assess the suitability of this crab as food. Examination of the muscle tissues was carried out in terms of biochemical composition (protein, lipids and carbohydrates) and the accumulation of the heavy metals (Cd, Cu, Fe, Pb and Zn). Organoleptic differences among the cooked meat of this species and that of the popular species Portunus pelagicus were tested. Protein constituted over 80% of the muscles dry weight of male and female crab, followed by lipids (7.25-7.79%) and carbohydrates (5.39-6.26%) respectively. Zn was the highest accumulated metal (46.6, 45.4ppm) followed by Cu (24.4, 36.6 ppm), Fe (21.8, 36.2 ppm) and Pb (3.9, 4.6ppm), while Cd was the lowest (0.9ppm) in males and females respectively. Intra-specific and size-based variations in metal uptake were recorded. Test of organoleptic qualities ranked P. pelagicus as higher in all attributes. However, no significant difference was observed in the total acceptability of the two species (P≥ 0.05). The study highlighted the suitability of C. natator as edible, nutritive and safe seafood.

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“…Consequently, plant growth is reduced or impossible [5]. A number of case histories related to health problems due to excess concentration of heavy metals were documented and reported from different parts of the world [4,[27][28][29][30][31][32][33]. One of the most important environmental problems linked to metal mining activities is acid mine drainage (AMD), which is produced by oxidation of pyrite and other metallic sulphides [34][35][36].…”

Section: Introductionmentioning

confidence: 99%

The environmental impact of gold mines: pollution by heavy metals

2012

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Abstract:The gold mining plant of Oman was studied to assess the contribution of gold mining on the degree of heavy metals into different environmental media. Samples were collected from the gold mining plant area in tailings, stream waters, soils and crop plants. The collected samples were analyzed for 13 heavy metals including vanadium (V), chromium (Cr), manganese (Mn), nickel (Ni), copper (Cu), cadmium (Cd), cobalt (Co), lead (Pb), zinc (Zn), aluminium (Al), strontium (Sr), iron (Fe) and barium (Ba). The water in the acid evaporation pond showed a high concentration of Fe as well as residual quantities of Zn, V, and Al, whereas water from the citizens well showed concentrations of Al above those of Omani and WHO standards. The desert plant species growing closed to the gold pit indicated high concentrations of heavy metals (Mn, Al, Ni, Fe, Cr, and V), while the similar plant species used as a control indicated lesser concentrations of all heavy metals. The surface water (blue) indicated very high concentrations of copper and significant concentrations of Mn, Ni, Al, Fe, Zn, lead, Co and Cd. The results revealed that some of the toxic metals absorbed by plants indicated significant metal immobilization.

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Trace metals in water, sediments and marine organisms from the northern part of the Gulf of Suez, Red Sea

Cited by 68 publications

References 10 publications

Genetic Algorithm-Based Fuzzy Comprehensive Evaluation of Water Quality in Dongzhaigang

Genetic Algorithm-Based Fuzzy Comprehensive Evaluation of Water Quality in Dongzhaigang

Edibility assessment of the swimming crab Charybdis natator (Brachyura: Portunidae) from the Gulf of Suez, Red Sea, Egypt

The environmental impact of gold mines: pollution by heavy metals

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