An attempt to establish relationships between the management of catchments of lakes and their trophy and rotifers assemblies in selected lakes of Łęczyńsko-Włodawskie Lake District - Kowaleczko, Marta (Wydaw. UMCS)
Keywords: Pojezierze Łęczyńsko-Włodawskie; Polska Południowo-Wschodnia; jeziora; plankton wrotkowy; zróżnicowanie