Agronomy Science, przyrodniczy lublin, czasopisma up, czasopisma uniwersytet przyrodniczy lublin
The study evaluated features of agrocenosis, depending on the distance from the in-field trees. Ten test sites were designated, and at each site liter containers (jars) were dug into the ground at distances of 10 m from each other, starting from the tree line. Weekly observations were made during the study, in which selected meteorological parameters were recorded: air temperature, soil temperature, wind speed, air humidity. Selected ecological indicators were also determined: the number of collected individuals, species and the weight of invertebrates (mg). The premise of the experiment was to demonstrate microclimatic and biological variation depending on the distance from the tree canopy. On this basis, changes in the average values of selected meteorological parameters and ecological indicators at successive study sites were presented. In the study, no increase in biodiversity was confirmed with decreasing distance from the tree canopy. The highest number of species was found in the middle section, this may be due to the additional influence of the meadow, which is adjacent to the section, and higher average soil temperatures in this area. Wind speed was found to increase with distance from the tree canopy, this confirms the fact that tree canopies have an inhibitory effect on wind speed. The humidity of the air within the study area was at a similar level, so it can be assumed that the tree canopies have a stabilizing effect on the humidity of the adjacent areas.
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