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This research aims to analyze the distribution and toxicity of potentially toxic elements in fish and water from the Black Sea region.

January 22, 2026BioMetalsOpen Access

Mapping geochemical distribution, toxicity and ecological risk indices of potentially toxic elements in cultured fish and surface water (Blacksea catchment/Türkiye)

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This research aims to analyze the distribution and toxicity of potentially toxic elements in fish and water from the Black Sea region.
Collected water and fish samples from 15 ponds in the Black Sea catchment.
Measured levels of potentially toxic elements like Al, Cd, and Hg in fish tissue and water.
Calculated water quality index and various pollution indices to evaluate health risks.
Iron levels in fish tissue were highest, while cadmium and cobalt were lowest.
Arsenic and manganese exceeded permissible levels.
Water quality was rated excellent with low pollution indices, indicating minimal risk for human health.
Target hazard coefficients for arsenic were above 1 at most stations, indicating possible non-carcinogenic effects.

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Geochemical mapping reveals toxicity and ecological risks of potentially toxic elements in cultured fish and water, suggesting health implications.

Türkmen et al. (2026) studied this question.

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Geochemical mapping reveals toxicity and ecological risks of potentially toxic elements in cultured fish and water, suggesting health implications.