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Influence disturbance of forest on the temperature and humidity of soil
PAVLAS, Jiří
In this study, I attempted to evaluate the impact of two forest disturbances on the soil temperature and humidity in spruce forest. The spruce forests were attacked by bark beetle in the Březník area 17 years ago. Two types of management were applied after the bark beetle attack. The first approach was clear cutting and removing dead trees. The second approach was non-interventional and this zone was left to natural succession. This study compares differences in daily temperature amplitude and volumetric soil humidity between both types of management. I tried to evaluate whether the soil temperature and humidity conditions are explained more by influence of the management or by vegetation cover. Results showed significant difference in daily temperature amplitudes. Temperature amplitudes are about 49 % higher in clear cut areas than in areas with natural succession. Differences are insignificant in soil humidity conditions. The influence of the vegetation on soil temperature and humidity is insignificant. I, too, compared soil temperature and humidity from Březník areas (17 years after disturbance) and Prameny Vltavy areas where the spruce forest decayed recently.
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