Moisture regime in Alnus incana alluvial forest Javorová valley, Tatra Mountains, the West Carpathians
This study deals with factors adversly influencing the moisture regime of Alnus incana at the Javorová valley sampling site. Research was conducted between November 2016 and November 2018. Meteorological variables were evaluated along with measurements taken by a weighable lysimeter and soil probes distributed in the alder stand. Soil moisture was measured using soil probes and a lysimeter at depths of 40 cm, 80 cm and 120 cm. Soil solution samples were taken from the same soil depths as the water well samples from the lysimetric cylinder. From the collected data, five basic factors that influence the moisture regime were determined. We evaluated the changes in the average and monthly values of soil moisture, the monthly and yearly meteorological characteristics, and the seasonal characteristics of the chemical soil solution. The results of the work show that the impact of each individual factor is influenced by the seasonality of the period. At the same time, however, the impact of climate change on individual factors shows their character in the long term. The most important factor influencing the moisture regime is the evapotranspiration of vegetation.
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