In the article are presented results from water quality monitoring of six small water reservoirs situated in agricultural landscape in different Slovak regions. The study period was from June 2020 to September 2021. Studied parameters covered oxygen regime, total dissolved solids, fluorescent dissolved organic matter, turbidity, chlorophyll a, phycocyanin and phycoerythrin. All parameters were measured directly in the field using EXO YSI 2 probe. For interpretation of the measured data the application of different statistical approaches were used. The cluster analysis divided the six monitored water reservoirs in to two clusters. The Kruskal-Wallis test confirmed the significant differences between groups of water reservoirs. Analysis of normalized data revealed main parameters that caused the distribution in to two clusters: chlorophyll a, cyanobacterial photosynthetic pigments phycocyanin and phycoerythrin, turbidity and pH. In the cluster 2 the concentration ranges for these parameters showed large fluctuations. Comparison of the land cover structure of 500 m buffer zones pointed out the importance of buffer zone composition for better water quality. For the cluster 2 the highest proportion belonged to arable soils (63.63-92.00%) and only 1.12-9.33% to forests.
Proton magnetic resonance spectroscopy ( 1 H MRS) is an optional diagnostic method for potential epilepsy surgery candidates. The aim of this study was to determine the credibility of 1 H MRS examination in a group of patients suffering from solitary and sporadic epileptic seizures generated in temporal lobe. We recorded a 100% sensitivity of 1 H MRS in a group of ten patients in terms of detection of a pathological process in the temporal lobe.1 H MRS also enabled determination of lateralization of the pathological process in three patients with bilateral epileptiform abnormalities on electroencephalography. Based on these results we suggest new perspectives on 1 H MRS as a part of standard diagnostic algorithm for solitary and sporadic temporal lobe epileptic seizures, particularly in cases with normal electroencephalography and magnetic resonance imaging findings.
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