Egorov V., Artemov Yu., Skuratovskaya E., Gorbunov R., Marchenko Yu. Results of development of a semi-empirical theory of fractionation of mineral phosphorus and nitrogen concentrations by phytoplankton in the photic layer water based on monitoring data of Sevastopol Bay. Marine Biological Journal, 2026, vol. 11, no. 3, pp. 11-34. https://doi.org/10.21072/mbj.2026.11.3.02