Prof.; since 1997 he was a honorary member of Polish Hydrobiological Society (he was one of its founders and for several terms of office - president); primarily associated with the Institute of Ecology of the Polish Academy of Sciences, where he led the bentos research team; he created and ran for 15 years Department of Hydrobiology at the University of Bialystok; author of 250 scientific papers, he trained 25 magistrates, promoted 8 doctors; author of several handbooks.