The chlorophyll content in water and bottom sediments of the Rybinsk Reservoir

Сигарева, Л. Е.

doi:10.1134/s1995082910030065

Cited by 5 publications

(3 citation statements)

References 8 publications

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“…This study has revealed a tendency for more intensive accumulation of heavy metals (Cd, Pb, Zn, Cu, Mn, and Fe) in sabrefish from an area with a high anthropogenic load. A number of studies have also shown that stations located near the industrial complex (Stations 3 and 4) are considered the most unfavorable for aquatic organisms, in terms of heavy metal concentrations in both the water and bottom sediments and according to the results of biotesting in different areas of the reservoir [ 66 , 77 , 87 , 88 ].…”

Section: Discussionmentioning

confidence: 99%

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Distribution of Essential and Toxic Elements in Pelecus cultratus Tissues and Risk Assessment for Consumer Health

Payuta,

Flerova,

Zaitseva

2023

Toxics

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Nowadays, the problem of inland water pollution is acute. It is caused by vast industrial growth and agricultural intensification. Concentrations of Cd, Pb, Zn, Cu, Mn, Fe, Mg, and Kwere determined in the muscles, liver, and gonads sabrefish from Rybinsk Reservoir areas with different anthropogenic loads. The tissue samples were analyzed by atomic absorption spectrometry. Heavy metals accumulated more intensively in the body of fish from more polluted areas of the reservoir. Among the analyzed elements, the maximum accumulation levels were found for K, Zn, and Fe and the minimum levels were observed for Cd and Pb. The gonads contained the largest concentration of Cd and Mn, the muscles contained the highest concentrations of Mg, and the other elements mainly accumulated in the liver of sabrefish. The THQ and HI values for all elements did not exceed 1, which suggests that there is no potential non-carcinogenic risk to human health. The target values of carcinogenic risk (TR) for cadmium ranged from 8.32 × 10−6 to 1.22 × 10−4 in the muscles. The increased content of cadmium in the gonads of sabrefish not only poses a risk to human health, but also to the reproduction of this species in the Rybinsk Reservoir.

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Section: Discussionmentioning

confidence: 99%

“…Stations 3 (58°43′ N, 38°16′ E.) and 4 (58°51′ N, 38°06′ E) have the status of heavily polluted. They are located near the metallurgical industrial complex—the main source of reservoir pollution [ 64 , 76 , 77 ].…”

Section: Methodsmentioning

confidence: 99%

Distribution of Essential and Toxic Elements in Pelecus cultratus Tissues and Risk Assessment for Consumer Health

Payuta,

Flerova,

Zaitseva

2023

Toxics

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“…Commissioning of the zonal fish hatchery of herbivorous fish will increase the catches of commercial fish by 150-200 kg/ha per year, and not only in this fish farm, but everywhere else on other reservoirs.The development of a zonal fishery science in fisheries management of eutrophic lakes of crucian and densely-percinative ichthyological types (multiple loosening of bottom sediments during open water, aeration of water in winter on the basis of concentration of farmed fish in the aerated zone, introduction of denser plantings of juvenile polyculture provide the basis for integrated intensive technologies that more fully use the natural self-renewable fodder base of reservoirs by objects of commodity cultivation. Developments of scientists early 21st century [7][8][9][10][11][12][13] provide a real basis for the large-scale introduction of industrial technologies of lake fish farming within the above-mentioned region of Russia, which allow to receive 300-400 kg / ha per 1 year of valuable fish.…”

Section: Mini Reviewmentioning

confidence: 99%