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Evaluation of ground level ozone concentrations and climatic variables in submountain beech forests (Western Carpathians Mts).

KELLEROVÁ, D., JANÍK, R. 2010. Evaluation of ground level ozone concentrations and climatic variables in submountain beech forests (Western Carpathians Mts). Folia oecol., 37: 51–54. Research, carried out in submoutain beech stand in the Kremnické vrchy Mts (410–570 m a.s.l.), was used to determine differences in ground level ozone concentrations and values of selected climatic variables between a former clear-cut which was the result from a cutting performed in 1989 and also a beech forest stand not subjected to the intervention. Differences in ozone concentrations were pronounced mainly in summer (July, August) when the values on the former clear-cut were much higher than those measured in the forest stand. In August 2004, a value of 118 μg m–3 was recorded on the former clear-cut. The increase in air temperature in the region was up to 15.4 °C, compared to the former long term mean value 14.8 °C from years 1961–1990 which was reported from Sliač, this is unequivocal.