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The paper presents an analysis of the assortment structure of Douglas−fir timber harvest in the State Forests, National Forest Holding in 2006−2018 and discusses the role of wood of this species in Poland and Europe. The analyzes were made on according to the division into regional directorates of the State Forests and were the based on the data from the reports created by the State Forests Information...
The burning of wood in the Bieszczady Mountains (SE Poland) began to play a significant role with first settlements in this region in the 17th and 18th centuries. Large beech wood resources were the main reason for such a high charcoal production in this part of Poland. The role of charcoal production in the Bieszczady region is reflected in the names of villages such as Smolnik (Tar), Potasznia (Potash)...
The paper presents a multifaceted structure of timber harvest in 2008−2015 in the Białowieża, Browsk and Hajnówka forest districts located in the Białowieża Forest. The object of the research, including the Białowieża National Park being a remnant of the primeval forests, is considered one of the most valuable forest areas of natural origin in Europe. The studies were made on the basis of the data...
The structure of timber sales in forest districts of the Białowieża Forest in the years 2008−2015 is presented. The Białowieża Forest is one of the most valuable natural areas in Europe. The data from the reports generated by the State Forests Information System of the Hajnówka, Browsk and Białowieża forest districts were used for the research. The information contained in the forest management plans...
Pozyskiwanie drewna, zgodnie z ustawą o lasach, jest jedną z głównych dziedzin działalności leśnictwa. Proces ten może się odbywać jednak pod warunkiem zapewnienia maksymalnej ochrony środowiska. Ze społecznego i gospodarczego punktu widzenia z pozyskiwania drewna zrezygnować nie można. Leśników więc obowiązuje zasada takiego postępowania, aby naruszenie równowagi środowiska było minimalne i umożliwiało...
Obserwowany w Polsce wzrost liczebności zwierzyny grubej, której głównym miejscem bytowania są ekosystemy leśne, dostarczające pokarmu i schronienia powoduje określone konsekw encje przyrodnicze i gospodarcze. W niektórych rejonach kraju liczebność zwierząt kopytnych jest tak duża, że może to zagrażać trwałości lasów. Zdaniem wielu leśników zwierzyna stanowi główną barierę dla osiągania celów hodowlanych...
The beginnings of private forest services sector date back to the interwar period when harvesting operations and sawmill services were carried out by private companies leading to forest devastation. Adam Loret, the first director−general of the State Forests, started to build the structure of forest administration and hire manual workers. After the World War II, forestry in Poland operated in a centrally...
As the access to the fossil fuels is limited, renewable energy sources have been especially intensively promoted in recent years, namely biomass. A comparatively large amount of biomass can be obtained from forests. This refers to round wood characterized by low technical quality, small−sized wood, and logging residues. Under Polish conditions, the potential amount of logging residues is estimated...
Submission is a public announcement of an offer in order to acquire buyers who then present their offerings in writing, thus accepting the terms of sales and payment for the purchased timber. Submission sales of valuable timber is one of the forms of sales of timber adopted by the State Forests National Forest Holding. Increasing demand for supreme quality timber, collected in large amounts in one...
The basic purpose of this study was to determine a working-day structure and work productivity rate during the process of timber harvesting in mountain conditions. The parameters were determined on the ground of data collected during field studies. The aforesaid working-day structure was defined on the ground of time study observations. The areas included in the survey were typically mountain stands,...
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