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• Spontaneous winter fire effects on semi-natural grassland

  9-14

  Gabriella Furo

  Krisztina Varga

  Istvan Csizi

  Andras Halasz

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  157

  The effect of uncontrolled turf fire was investigated on the meadow grassland of the Hungarian University of Agriculture and Life Sciences, Karcag Research Institute. The fire in January 2022, which was very dry, resulted in an increase in the proportion of bunchgrass and uncovered area in the burned area, based on our cenological recordings. We measured higher carbon dioxide emissions in the burned area at all measurement times using an infrared gas analyser. Soil moisture values recorded with soil probes were higher in the control grassland with intact grassland cover. Since we had the opportunity to carry out studies in a drought year, it is absolutely justified to investigate the effects of grass fires in other growing areas and under other precipitation conditions, because their more frequent occurrence in our country can be predicted.