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The paper focuses on one of the elements of the final cutting regulation – the final cutting yields. Its objective is to have a look at what kind of cutting yields were or are calculated in Poland after the Second World War and what was or is their importance in the regulation process. Therefore, this study reviews the system of regulation of the final cutting currently in force in Poland.
Since the beginning of XIX century a considerable number of Douglas fir populations from North America were introduced to many European countries. In France, Douglas fir is still going to increase significantly its participation in growing stock and wood harvest. There are also some countries (e.g. the Netherlands), where the interest in breeding and silviculture of Douglas fir have been decreased...
The information about the occurrence of the invasive bark beetle Xylosandrus germanus (Bldf.) in Poland is presented. A set of traits enabling its distinguishing from similar Anisandrus dispar is provided.
The paper presents a brief history and present state of Sorbus torminalis in Polish forests. It shows the history of research and conservation of this species and changes in conservation strategies and methods. The future of the species, concerning both conservation and cultivation context looks optimistically.
The study presents the history of the creation of forest management units in Polish forests, their concepts, kinds and criteria of discrimination basing on available elaborations issued before World War II, forest management instructions as well as selected concepts proposed by the scientific centres at the end of the 20th and beginning of the 21st centuries.
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