Use of Softwer Applications in Water Quality Assesment
Use of Softwer Applications in Water Quality Assesment

Summary/Abstract: Nowadays, we have many specific programs (software packages) which are used for statistic analysis of water quality in aquatic ecosystems. Selected parameters used in this paper are physicochemical and biological, and are valorized on the example of the river Spreča analysis. Researches have show that there is a correlation between the physicochemical value and biological indicators related to the assessment of the water quality of river Spreča. The composition of the zoobenthos community of river Spreča shows β-mesosaprobic character in the upper course of the river, while, according to the researches, the lower part of the watercourse shows polysaproby character. Similarity of ichthyopopulation on localities of research is tested by the Bray – Curtis similarity cluster analyses, which have shown that the greatest degree of similarity is visible in localities 1. and 3. In a special group are separated samples from the site 4. and 5. with a degree of similarity of 93,86%. Shanon- Waever's diversity index was calculated for all 6 sites researches.

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