Fesyuk, V.O. and Moroz, I.A. 2025. Methodology and the hydroecological state assessment of lake Krymne. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy. 33 (Dec. 2025), 83-94. DOI:https://doi.org/10.26565/1992-4259-2025-33-06.