Prof.; from the beginning of his scientific activity connected with the Institute of Ecology of the Polish Academy of Sciences; initially, she has been dealing with the ecology of Rotifera, and since the 1970s has shifted its focus to the effects of basins on the quality of lake waters, the long-term changes in this quality, and the role of surface microlayers in the circulation of nutrients; Vice President SIL of 1997-2000; long-time editor-in-chief of the Polish Journal of Ecology