Mel’nikova, E.B., Mel’nikova, E.B. and Mel’nikov, A.V. 2025. Infl uence of Heavy Metals on the Intensity of Bioluminescence Formed in the Pelagial of the North-Eastern Black Sea. Proceedings of Voronezh State University. Series: Geography. Geoecology. 2 (Jun. 2025), 156-161.