RT Journal Article SR Electronic A1 Németh-Katona, Judit T1 The Environmental Significance of Bioindicators in Sewage Treatment JF Acta Mechanica Slovaca YR 2010 VO 14 IS 2 SP 92 OP 97 UL https://www.actamechanica.sk/artkey/ams-201002-0013.php AB The presentation is about the significance of the bioindicators concerning environmental protection within the process of cleaning sewage. The existence of one or multi-celled organisms indicates the presence, condition or absence of certain parts of the water cleaning process. This way the optimal operation of the purifying appliances can be checked continuously and controlled in an environment friendly way.