Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/4217
Title: Epilithic diatoms in environmental bioindication and trout farm’s effects on ecological quality assessment of rivers
Authors: Jakovljević, Olga 
Popović, Slađana S. 
Živić, Ivana 
Stojanović, Katarina 
Vidaković, Danijela P.
Naunovic, Zorana Z.
Krizmanić, Jelena 
Keywords: Diatom assemblages;Fish farm;Environmental variables;Rivers bioassessment;Water Framework Directive
Issue Date: 25-May-2021
Rank: M21
Publisher: Elsevier
Citation: Jakovljević O, Popović S, Živić I, Stojanović K, Vidaković D, Naunović Z, Krizmanić J. Epilithic diatoms in environmental bioindication and trout farm’s effects on ecological quality assessment of rivers. in Ecological Indicators. 2021;128:107847. doi:10.1016/j.ecolind.2021.107847 .
Journal: Ecological Indicators
Series/Report no.: 128;107847
Abstract: 
The main aim of this study was to investigate the application of benthic diatoms and the efficiency of diatom indices in water ecological assessment of rivers in Serbia, as well as the influence of trout farms on rivers water quality. Research was conducted in one year period along the Crnica and Radovanska rivers (Eastern Serbia), in 11 sampling sites (taking into account the position of trout fish farms that are built on both rivers). Results showed that fish farms affect the physical and chemical parameters, as well as diversity of the epilithic diatom assemblage along the rivers. Canonical correspondence analysis (CCA) indicated that among tested physical and chemical parameters, conductivity “EC”, water hardness “WH”, sulfates “SO42-”, ionized ammonia fraction “NH4+”, nitrates “NO3– “, “pH”, mud, stone and depth were the most important variables affecting the distribution of diatom species. A total of 206 epilithic diatom taxa were recorded in the Radovanska and 170 in the Crnica River. Based on diatom indices, trout fish farms have no significant negative impact on the water quality of the investigated rivers (indices are not enough sensitive). Redundancy analysis (RDA) showed a high degree of correlation between the majority of indices which mostly indicated to good water quality of studied rivers. TID and TDI were the only two indices indicating moderate and poor water quality of both rivers. Water quality based on the TIDRS, the first proposed diatom index for Serbia was differ in two classes in most sites compairing with TID.
URI: https://biore.bio.bg.ac.rs/handle/123456789/4217
ISSN: 1470160X
DOI: 10.1016/j.ecolind.2021.107847
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