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The aim of this study was to measure the weight of timber obtained from freshly cut trees and compare it with the applicable legal provisions pertaining the capability of transporting heavy loads by hand and also to indicate a problem significant for the occupational safety and health protection of employees working at wood harvesting. In Poland, about 40 million m³ of timber is harvested annually...
Jednym z głównych problemów ochrony lasu są powtarzające się gradacje szkodników pierwotnych sosny powodujące uszkodzenia drzewostanów sosnowych, a w skrajnych przypadkach prowadzące do zagrożenia trwałości drzewostanów. Dla praktyki leśnej podstawą podejmowania skutecznych działań ochronnych jest właściwa lokalizacja pierwotnych ognisk gradacyjnych, których prawidłowe wskazanie oraz znajomość mechanizmów...
The research investigates if and to what extent the current state of the sprinkled surface and the temperature of the water used can influence the level of interception. The analysis was based on a series of experiments undertaken in laboratory conditions. Photographic documentation has recorded the angle at which water droplets at different temperatures hit the surface of leaves and needles of beech,...
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