Mining waste as a cause of increased bioaccumulation of highly toxic metals in liver and gills of Vardar chub (Squalius vardarensis Karaman, 1928)

Dragun, Zrinka; Tepić, Nataša; Ramani, Sheriban; Krasnići, Nesrete; Marijić, Vlatka Filipović; Valić, Damir; Kapetanović, Damir; Erk, Marijana; Rebok, Katerina; Kostov, Vasil; Jordanova, Maja

doi:10.1016/j.envpol.2019.01.068

Cited by 11 publications

(7 citation statements)

References 66 publications

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“…For example, the concentrations of Cd and Pb in the water of the Zletovska River in autumn were approximately 100 times and up to 2 times higher, respectively, than in the water of the Bregalnica and Kriva rivers (32). As for the Cd and Pb bioaccumulation in the liver in autumn, it was 5-25 times and 2.5-6 times higher, respectively, in the fish from the Zletovska River compared to the other two rivers; whereas in the gills it was 50-90 times and 3-21 times higher in the Zletovska River than in the Bregalnica and the Kriva rivers (42). Details on the bioaccumulation of the other elements in the liver and gills of Vardar chub were published previously (42).…”

Section: Discussionmentioning

confidence: 84%

“…Body masses (BM), total lengths (TL) and Fulton condition factors (Fulton CF) of Vardar chub in two age groups from three differ ently contaminated rivers, combined for both sexes, and presented separately for each season (spring and autumn) a . Data for BM, TL and Fulton's CF for the same Vardar chub specimens were previously reported by Jordanova et al (36) and Dragun et al (42) a Results are presented as mean values, followed by coefficient of variation in brackets. For each value, different lowercase letters in superscript represent significant differences between rivers within the same season (read vertically), different capital letters represent significant differences between seasons within the same locality (read horizontally), and asterisk represents difference among age groups in same season and locality (read vertically), according to two-way ANOVA followed by post-hoc Newman-Keuls test.…”

Section: Resultsmentioning

confidence: 91%

“…Similar inhibition of fish growth was observed in fish exposed to a mixture of sublethal concentration (50 mg/L) of Zn, Ni, Fe, Pb and Mn (40). Negative correlation of fish growth was also noted with increasing concentrations of Al, Cd and Hg (41Fish collected from the Zletovska River were also shown to have higher accumulation of Cd, Cs, Pb, Rb, Sr and Tl in the liver and gills than the fish from the other two rivers (42). For example, the concentrations of Cd and Pb in the water of the Zletovska River in autumn were approximately 100 times and up to 2 times higher, respectively, than in the water of the Bregalnica and Kriva rivers (32).…”

Section: Discussionmentioning

confidence: 87%

“…As for the Cd and Pb bioaccumulation in the liver in autumn, it was 5-25 times and 2.5-6 times higher, respectively, in the fish from the Zletovska River compared to the other two rivers; whereas in the gills it was 50-90 times and 3-21 times higher in the Zletovska River than in the Bregalnica and the Kriva rivers (42). Details on the bioaccumulation of the other elements in the liver and gills of Vardar chub were published previously (42). Although metals can directly inhibit fish growth, indirect influences should not be excluded.…”

Section: Discussionmentioning

confidence: 89%

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Effects of water contamination with heavy metals on pigmented macrophages in spleen of Vardar chub (Squalius vardarensis Karaman) from three rivers in the North-Eastern region of North Macedonia

et al. 2022

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Background and purpose: Pigmented macrophage aggregates (PMAs) are a part of the immune system of fish and are considered as valuable biomarkers of the impact of water pollution on fish health.Materials and methods: Immunomodulatory effect of water contaminated with high levels of metals on spleen and splenic PMAs of Vardar chub (Squalius vardarensis) (n=129) was examined in two seasons, spring, and autumn 2012. For this purpose, three rivers were chosen: the Zletovska River, heavily contaminated with metals, the Kriva River, moderately contaminated with metals combined with high level of organic matter, and the Bregalnica River, without heavy metal contamination. Spleen masses and splenosomatic indices (SSI) were used for determining the general impact of water contamination on the immune system of Vardar chub. Moreover, volumes and numbers of PMAs within spleen tissue were determined stereologically.Results: The isolated effect of high exposure to metals caused the reduction of spleen mass and/or SSI in the fish from the Zletovska River. The combined effect of exposure to metals and high levels of nutrients in the fish from the Kriva River referred to stimulation of PMAs response, namely increased volumes of splenic PMAs. The existence of seasonally dependent differences was noted since the observed variability in PMAs between rivers occurred only in the autumn.Conclusions: Splenic PMAs in the Vardar chub can be used as an additional biomarker of metal pollution, but with caution, since enhancement of the volumes and numbers of MACs depends on the exposure level of heavy metals, on the presence of the other contaminants, as well as on the physiological condition of the fish.

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Section: Discussionmentioning

confidence: 84%

Section: Resultsmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 87%

Section: Discussionmentioning

confidence: 89%

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Effects of water contamination with heavy metals on pigmented macrophages in spleen of Vardar chub (Squalius vardarensis Karaman) from three rivers in the North-Eastern region of North Macedonia

et al. 2022

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“…The main toxic elements that can contaminate soil are arsenic, cadmium, chromium, copper, mercury, nickel, lead, tin, titanium and zinc. These elements are produced in large quantities in mining activities, especially in the metallurgical extraction phase, and can also be potentially polluting even at low concentrations [22,23].…”

Section: Introductionmentioning

confidence: 99%

Treatment of Soil Contaminated by Mining Activities to Prevent Contamination by Encapsulation in Ceramic Construction Materials

et al. 2021

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Mining is an essential activity for obtaining materials necessary for the well-being and development of society. However, this activity produces important environmental impacts that must be controlled. More specifically, there are different soils near new or abandoned mining productions that have been contaminated with potentially toxic elements, and currently represent an important environmental problem. In this research, a contaminated soil from the mining district of Linares was studied for its use as a raw material for the conforming of ceramic materials, bricks, dedicated to construction. Firstly, the contaminated soil was chemically and physically characterized in order to evaluate its suitability. Subsequently, different families of samples were conformed with different percentages of clay and contaminated soil. Finally, the conformed ceramics were physically and mechanically characterized to examine the variation produced in the ceramic material by the incorporation of the contaminated soil. In addition, in this research, leachate tests were performed according to the TCLP method determining whether encapsulation of potentially toxic elements in the soil occurs. The results showed that all families of ceramic materials have acceptable physical properties, with a soil percentage of less than 80% being acceptable to obtain adequate mechanical properties and a maximum of 70% of contaminated soil to obtain acceptable leachate according to EPA regulations. Therefore, the maximum percentage of contaminated soil that can be incorporated into the ceramic material is 70% in order to comply with all standards. Consequently, this research not only avoids the contamination that contaminated soil can produce, but also valorizes this element as a raw material for new materials, avoiding the extraction of clay and reducing the environmental impact.

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The effect of different pollutants exposure on the pigment content of pigmented macrophage aggregates in the spleen of Vardar chub (Squalius vardarensis Karaman, 1928)

Ivanova

Rebok

Jordanova

et al. 2020

Microscopy Res & Technique

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Pigmented macrophage aggregates (MAs) are known to change under influence of various factors, such as aging, season, starvation, and/or pollution. In this study, changes in the pigment content of the MAs in the spleen of Vardar chub (Squalius vardarensis, Karaman) (n = 129) collected in spring and autumn, from three rivers with different pollution impact was examined: Zletovska River (metals), Kriva River (metals and municipal wastewater), and Bregalnica River (municipal wastewater). Collected data revealed increased relative volume and number of MAs containing hemosiderin under the influence of metals, significant in autumn (p < .05). In chub exposed to metals combined with municipal wastewater, significant increase of lipochrome accumulation in MAs in autumn, melanin in MAs in fish captured in the spring season, and number of splenic MAs containing combination of melanin and lipochrome was noted. Volumes and number of MAs containing combination of hemosiderin and lipochrome increased in spleen of fish captured in autumn from both Zletovska River and Kriva River, most likely due to the contribution of hemosiderin and lipochrome, respectively. Values measured for the various pigments in splenic MAs in fish captured from Bregalnica River, were overall closer to the values measured for fish captured from Kriva River. Notably, melanin and lipochrome are more likely to be found in fish from waters influenced by municipal wastewater (organic pollution) and hemosiderin in fish spleen from water influenced by mining activity (heavy metals pollution).

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Mining waste as a cause of increased bioaccumulation of highly toxic metals in liver and gills of Vardar chub (Squalius vardarensis Karaman, 1928)

Abstract: Mining waste as a cause of increased bioaccumulation of highly toxic metals in liver and gills of Vardar chub (Squalius vardarensis Karaman, 1928)

Cited by 11 publications

References 66 publications

Effects of water contamination with heavy metals on pigmented macrophages in spleen of Vardar chub (Squalius vardarensis Karaman) from three rivers in the North-Eastern region of North Macedonia

Effects of water contamination with heavy metals on pigmented macrophages in spleen of Vardar chub (Squalius vardarensis Karaman) from three rivers in the North-Eastern region of North Macedonia

Treatment of Soil Contaminated by Mining Activities to Prevent Contamination by Encapsulation in Ceramic Construction Materials

The effect of different pollutants exposure on the pigment content of pigmented macrophage aggregates in the spleen of Vardar chub (Squalius vardarensis Karaman, 1928)

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