Fig. 4From: Diversity of protist genera in periphyton of tufa-depositing karstic riverThe average alpha diversity on each sampling location was expressed by the number of taxonomically assigned OTUs (S), Margalef (d), Shannon-Wiener (H'), and Simpson (1- Lambda') indices. Error bars denote mean SD, numbers 1 to 4 on x axis denote different sampling locations: 1 = Krka spring, 2 = Marasovine, 3 = Roški slap, and 4 = Skradinski bukBack to article page