The research focused on harvesting timber in intermediate harvest in 2008-2012, in pure Norway spruce stands aged 10-140 at the State Forests National Forest Holding. The data included the following groups of activities: late cleaning, early thinning and late thinning. The assortment structure...
Author(s)
Parzych, S.; Mandziuk, A.
Publisher
Polskie Towarzystwo Leśne, Warsaw, Poland
Citation
Sylwan, 2021, 165, 7, pp 533-541
The paper presents an analysis of the possibility of purchasing resonance wood through international internet portals. The data was obtained from 13 portals belonging to companies from 11 countries of the world. Wood used to build various musical instruments was included in the analysis. The most...
Author(s)
Glura, J.; Molińska-Glura, M.
Publisher
Wydawnictwo Akademii Rolniczej w Poznaniu, Poznan, Poland
Citation
Acta Scientiarum Polonorum - Silvarum Colendarum Ratio et Industria Lignaria, 2021, 20, 3, pp 185-192
The paper presents the literature review concerning the general assumptions of the Data Envelopment Analysis (DEA) and its applications in forest management and wood industry evaluation. So far, efficiency evaluation in forestry sector was carried out using mostly the ratio analysis only. The DEA...
Author(s)
Młynarski, W.; Kaliszewski, A.
Publisher
Polskie Towarzystwo Lésne, Warszawa, Poland
Citation
Sylwan, 2018, 162, 10, pp 808-818
The problem that was analysed was the question of whether there is a relationship between the occurrence of natural disasters and changes in the level of the price of wood raw material. The method of trend analysis was chosen to conduct the study. A forecast of wood prices was made for different...
Publisher
Wydawnictwo Akademii Rolniczej w Poznaniu, Poznan, Poland
Citation
Acta Scientiarum Polonorum - Silvarum Colendarum Ratio et Industria Lignaria, 2021, 20, 3, pp 161-165
Nowadays, despite the development of various composite substitutes, it is difficult to imagine a life without wood of its properties, appearance, organic character and sustainability. When we choose a wooden house, we choose internal harmony and harmony with nature that allows us to create a...
Author(s)
Parzych, S.; Mandziuk, A.; Wojtkowski, P.
Publisher
Wydawnictwo Akademii Rolniczej w Poznaniu, Poznan, Poland
Citation
Acta Scientiarum Polonorum - Silvarum Colendarum Ratio et Industria Lignaria, 2021, 20, 1, pp 31-36
The research concerned the implementation of tasks in the field of harvesting timber in pure oak stands aged 10-160 in years 2008-2012. Numerical data from the State Forests database were used for calculating the average price of timber in the intermediate harvest. The data on the harvested volume...
Author(s)
Parzych, S.; Mandziuk, A.
Publisher
Polskie Towarzystwo Leśne, Warsaw, Poland
Citation
Sylwan, 2021, 165, 8, pp 600-608
The aim of the study was to determine the value of the financial loss resulting from the implementation of the investment related to the construction of the Krajnik-Baczyna power line. The value of the financial loss was determined using two calculation variants. In the first one, the expected...
Author(s)
Starosta-Grala, M.; Ankudo-Jankowska, A.; Ankudo, Ł.
Publisher
Wydawnictwo Akademii Rolniczej w Poznaniu, Poznan, Poland
Citation
Acta Scientiarum Polonorum - Silvarum Colendarum Ratio et Industria Lignaria, 2021, 20, 2, pp 83-90
The paper presents an analysis of the sale of damaged wood harvested after the hurricane that took place on August 11-12, 2017. The spatial and temporal scope of the study concerned the areas of the Gniezno Forest District and the period from January 2016 to July 2019. The obtained data was...
Publisher
Wydawnictwo Akademii Rolniczej w Poznaniu, Poznan, Poland
Citation
Acta Scientiarum Polonorum - Silvarum Colendarum Ratio et Industria Lignaria, 2021, 20, 4, pp 287-294
Kampinos Forest is a special place on the territory of Poland. The current state of many elements of nature is an effect of human activity. In order to appropriately understand the changes in nature, it is necessary to recognize the human impact on it. No research paper has been released hitherto...
Publisher
Board of National Parks - Bialowieza National Park, Bialowieza, Poland
Citation
Parki Narodowe i Rezerwaty Przyrody, 2021, 40, 2, pp 85-98
The purpose of the article is to determine the value of losses resulting from salvage cutting of stands and to estimate the amount of extraordinary costs and profits from the sale of removed wood in forests damaged by a wind-storm that occurred on June 17, 2016 in the Supraśl Forest District (NE...
Author(s)
Hryniewicka, A.; Mandziuk, A.
Publisher
Polskie Towarzystwo Leśne, Warsaw, Poland
Citation
Sylwan, 2020, 164, 4, pp 321-330