<abstract xmlns="http://www.w3.org/1999/xhtml"><p>With the development of industry, agriculture, exploitation of natural sources and with boom of settlement density, the environment is being affected by potentially toxic elements; the phenomenon is consequently reflected on human health. Cadmium is a high risk element for the whole environment. The aim of this research was to analyse and evaluate sediments of selected water reservoirs during the ten-year period in order to determine the concentrations of selected, potentially toxic elements. For statistical processing, the correlation coefficient by the Spearman method and the analysis of the index were used. Sediments are reliable indicators of environmental pollution. The analyses of the sediment samples were carried out by the flow electrochemistry and the atomic absorption spectrometry methods. The total concentration of Cd in sediments was up to 22.60 mg kg<sup>−1</sup> of dry matter. pH/KCl was marked in the range from 5.6 to 7.2. From statistical processing of sediments data by Spearman, we determined the dependencies between Cd and the following elements: As, Cu, Hg, Pb and Zn. The relations between Cd and the following elements: Pb, As and Cu were very highly positive.</p></abstract>

With the development of industry, agriculture, exploitation of natural sources and with boom of settlement density, the environment is being affected by potentially toxic elements; the phenomenon is consequently reflected on human health. Cadmium is a high risk element for the whole environment. The aim of this research was to analyse and evaluate sediments of selected water reservoirs during the ten-year period in order to determine the concentrations of selected, potentially toxic elements. For statistical processing, the correlation coefficient by the Spearman method and the analysis of the index were used. Sediments are reliable indicators of environmental pollution. The analyses of the sediment samples were carried out by the flow electrochemistry and the atomic absorption spectrometry methods. The total concentration of Cd in sediments was up to 22.60 mg kg−1 of dry matter. pH/KCl was marked in the range from 5.6 to 7.2. From statistical processing of sediments data by Spearman, we determined the dependencies between Cd and the following elements: As, Cu, Hg, Pb and Zn. The relations between Cd and the following elements: Pb, As and Cu were very highly positive.

Significant Correlations Dependence of High-Risk Chemical Elements in the Environment

Slovak University of Agriculture in Nitra, The Slovak Republic

Acta Regionalia et Environmentalica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

With the development of industry, agriculture, exploitation of natural sources and with boom of settlement density, the environment is being affected by...

Significant Correlations Dependence of High-Risk Chemical Elements in the Environment

Publié en ligne: 07 févr. 2017

Pages: 31 - 34

DOI: https://doi.org/10.1515/aree-2016-0007

Mots clés
Analysis of the index, cadmium, correlation coefficient by Spearman, pH/KCl, sediment

© 2016 Slovak University of Agriculture in Nitra

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Significant Correlations Dependence of High-Risk Chemical Elements in the Environment

Publié en ligne: 07 févr. 2017

Pages: 31 - 34

DOI: https://doi.org/10.1515/aree-2016-0007

Mots clésAnalysis of the index, cadmium, correlation coefficient by Spearman, pH/KCl, sediment

© 2016 Slovak University of Agriculture in Nitra

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Analysis of the index, cadmium, correlation coefficient by Spearman, pH/KCl, sediment