Application of the Ilyric Biotic Index (IBI) on left tributaries of river Cetina: Veliki Rumin and Kosinac

U ovom diplomskom radu opisano je istraživanje koje je provedeno na pet postaja. Tri postaje obavljene su na Velikom Ruminu, a preostale dvije na Kosincu. Istraživanje je provedeno u srpnju 2021. godine na lijevim pritocima rijeke Cetine koja pripada jadranskom slijevu . U provedenom istraživanju određivali su se fizikalno - kemijski parametri i sakupljao se makrozoobentos. Sakupljenim uzorcima makrozoobentosa određen je Ilirski biotički indeks na temelju kojeg je određena kvaliteta vode na Velikom Ruminu i Kosincu. Dobiveni rezultati pokazali su kako je voda na Velikom Ruminu čista s povremeno umjerenim zagađenjem, dok je voda na Kosincu umjereno zagađena.This thesis contains a survey conducted on five stations. Three of which were carried out on Veliki Rumin, and the remaining two on Kosinac. Survey was carried out in July 2021 on the left tributaries of the Cetina River, which belongs to the Adriatic blind. In this study physico – chemical parameters were calculated and macrozoobentos was collected and determined. Iliric biotic index was defined by collected samples of macrozoobenthos and the quality of the water Veliki Rumin and Kosinac was determined. The obtained results showed that the water on Velliki Rumin was clean with intermittent pollution, while the water on Kosinac was moderately polluted