Deep chlorophyll maximum in temperate lakes with different trophic conditions − a rare or common phenomenon?Maciej Karpowicz, Agnieszka Pasztaleniec, Magdalena Grabowska and Anna PietryczukKnowl. Manag. Aquat. Ecosyst., 425 (2024) 1DOI: https://doi.org/10.1051/kmae/2023024