Environmental assessment of heavy metal concentration and pollution in the Persian Gulf

Rezaei, Mohsen; Mehdinia, Ali; Saleh, A. K. Md. Ehsanes; Modabberi, Soroush; Daneshvar, Mohammad Reza Mansouri

doi:10.1007/s40808-020-00913-8

Cited by 21 publications

(8 citation statements)

References 63 publications

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“…In this study, the highest As content was found in muscle of P.semisulcatus, is attributed to this species benthic habitat (Table S1). Trace elements may also find their way into the Persian Gulfs' ecosystems through oil and gas refining industries, industrial zones and petrochemical industries, severe marine transportation in Strait of Hormuz, coastal zone power plants, cement factory, water desalination units, industrial and domestic discharge, and aluminum, lead and zinc facilities in Qeshm Island (Khatir et al, 2020;Rezaei et al, 2021;Zarezadeh et al, 2017). Response to demand for fresh water, some desalination plants are also installed in Qeshm Island.…”

Section: Trace Element Concentrations In Marine Fish and Prawn Speciesmentioning

confidence: 99%

Bioaccumulation of selected trace elements in some aquatic organisms from the proximity of Qeshm Island ecosystems: Human health perspective

Ahmadi

Moore

Keshavarzi

et al. 2022

Marine Pollution Bulletin

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Section: Trace Element Concentrations In Marine Fish and Prawn Speciesmentioning

confidence: 99%

Bioaccumulation of selected trace elements in some aquatic organisms from the proximity of Qeshm Island ecosystems: Human health perspective

Ahmadi

Moore

Keshavarzi

et al. 2022

Marine Pollution Bulletin

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“…The Persian Gulf is a shallow and semi-closed ecosystem that regularly receives large volumes of pollutants annually, including oil and heavy metals. It is known as one of the world's largest oil and gas terminals [1][2][3], and along with several other anthropogenic activities (e.g., marine transportation, contractions, coastal development, and industries), the likelihood of heavy metal pollution has increased [4][5][6]. In addition, hot weather conditions, high evaporation, high salinity, shallow depth, and limited water circulation have caused a high rate of pollutant accumulation in sediments and the water column.…”

Section: Introductionmentioning

confidence: 99%

“…Heavy metal pollution occurs because of many of these activities, and the accumulation of metals in aquatic ecosystems creates a serious environmental issue. Heavy metal pollution can have devastating effects on the ecological balance of the environment and aquatic diversity [6]. These pollutants are among the most dangerous and threatening groups of pollutants because of their toxicity, stability, transferability, and bioaccumulation in organisms [15,17].…”

Section: Introductionmentioning

confidence: 99%

“…These pollutants are among the most dangerous and threatening groups of pollutants because of their toxicity, stability, transferability, and bioaccumulation in organisms [15,17]. The bioaccumulation of heavy metals in subsequent generations may have acute effects on the health and biological survival of organisms [1,6]. Because the different species of sea turtles occupy different ecological niches in the marine ecosystem, they may accumulate heavy metals and other toxic chemicals from their food.…”

Section: Introductionmentioning

confidence: 99%

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Trace Elements Accumulation and Maternal Transfer in Critically Endangered Sea Turtle, <i>Eretmochelys Imbricata</i>

Ahmadi,

Pazira,

Tabatabaei

et al. 2024

Pol. J. Environ. Stud.

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In this study, concentrations of Fe, Zn, As, Cd, Hg, Pb, and Cu in blood and muscle samples and maternal transfer of these elements to eggs and hatchlings were investigated for hawksbill turtles on Ommolgorm, Nakhiloo, and Kharko Islands from the Persian Gulf. The results indicate a significant difference (p≤0.05) between the accumulations of the elements between the rookeries. On three islands, the highest and lowest concentrations of Fe were observed in the yolk and albumin, respectively. The highest concentrations of Zn were found in yolk and maternal muscle from Ommolgorm and Nakhiloo islands, and the lowest concentration of Zn was found in hatchling and abnormal albumin at Kharko Island. The highest amount of As was present in maternal blood, and the lowest was in an abnormal egg on three islands. The highest amount of Hg was in maternal blood and muscle, and the lowest was in normal and abnormal eggs. The highest Pb concentration was in yolk and the lowest was in maternal muscle and blood in Ommolgorm and Nakhiloo Island; however, at Kharko Island, the highest and lowest concentrations were in yolk and normal albumin, respectively. Cd and Cu were ND in the most tissues. Fe, As, Hg, and Pb were higher than Cd and Cu in the maternal blood. The accumulation of heavy metals in the yolk, blood, and hatchling was higher than in other tissues. The accumulation of some elements in samples from Kharko Island was higher than on the other two islands. Based on the results, a significant relationship was found among the concentrations of elements in the maternal blood, yolk, and hatchling tissue. Our results showed a positive correlation between the concentrations in the maternal blood and yolk and hatchling tissue, which confirms maternal transfer of the elements.

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“…Sediments recognize as a critical indicator for pollutants monitoring in aquatic ecosystems [37][38][39]. Sediment analysis is chosen for researching metals for two main reasons [40]. (1) The metal concentra-tions in sediment are higher than that of the linked water body, which improves the test's accuracy and validity [41].…”

Section: Introductionmentioning

confidence: 99%

Environmental Pollution Indices and Multivariate Modeling Approaches for Assessing the Potentially Harmful Elements in Bottom Sediments of Qaroun Lake, Egypt

Saleh

Gad

Khalifa

et al. 2021

JMSE

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This research intends to offer a scientific foundation for environmental monitoring and early warning which will aid in the environmental protection management of Qaroun Lake. Qaroun Lake is increasingly influenced by untreated wastewater discharge from many anthropogenic activities, making it vulnerable to pollution. For that, six environmental pollution indices, namely contamination factor (Cf), enrichment factor (EF), geo-accumulation index (Igeo), degree of contamination (Dc), pollution load index (PLI), and potential ecological risk index (RI), were utilized to assess the bottom sediment and to determine the different geo-environmental variables affecting the lake system. Cluster analysis (CA), and principal component analysis (PCA) were used to explore the potential pollution sources of heavy metal. Moreover, the efficiency of partial least-square regression (PLSR) and multiple linear regression (MLR) were tested to assess the Dc, PLI, and RI depending on the selected elements. The sediment samples were carefully collected from 16 locations of Qaroun Lake in two investigated years in 2018 and 2019. Total concentrations of Al, As, Ba, Cd, Co, Cr, Cu, Fe, Ga, Hf, Li, Mg, Mn, Mo, Ni, P, Pb, Sb, Se, Zn, and Zr were quantified using inductively coupled plasma mass spectra (ICP-MS). According to the Cf, EF, and Igeo results, As, Cd, Ga, Hf, P, Sb, Se, and Zr demonstrated significant enrichment in sediment and were derived from anthropogenic sources. According to Dc results, all collected samples were categorized under a very high degree of contamination. Further, the results of RI showed that the lake is at very high ecological risk. Meanwhile, the PLI data indicated 59% of lake was polluted and 41% had PLI < 1. The PLSR and MLR models based on studied elements presented the highest efficiency as alternative approaches to assess the Dc, PLI, and RI of sediments. For examples, the validation (Val.) models presented the best performance of these indices, with R2val = 0.948–0.989 and with model accuracy ACCv = 0.984–0.999 for PLSR, and with R2val = 0.760–0.979 and with ACCv = 0.867–0.984 for MLR. Both models for Dc, PLI, and RI showed that there was no clear overfitting or underfitting between measuring, calibrating, and validating datasets. Finally, the combinations of Cf, EF, Igeo, PLI, Dc, RI, CA, PCA, PLSR, and MLR approaches represent valuable and applicable methods for assessing the risk of potentially harmful elemental contamination in the sediment of Qaroun Lake.

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Environmental assessment of heavy metal concentration and pollution in the Persian Gulf

Cited by 21 publications

References 63 publications

Bioaccumulation of selected trace elements in some aquatic organisms from the proximity of Qeshm Island ecosystems: Human health perspective

Bioaccumulation of selected trace elements in some aquatic organisms from the proximity of Qeshm Island ecosystems: Human health perspective

Trace Elements Accumulation and Maternal Transfer in Critically Endangered Sea Turtle, <i>Eretmochelys Imbricata</i>

Environmental Pollution Indices and Multivariate Modeling Approaches for Assessing the Potentially Harmful Elements in Bottom Sediments of Qaroun Lake, Egypt

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