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    Tytuł:
    Sprzedaż drewna w nadleśnictwach Puszczy Białowieskiej w latach 2008-2015
    Sale of timber in forest districts of the Bialowieza Forest in 2008-2015
    Autorzy:
    Lachowicz, H.
    Zastocki, D.
    Sadowski, J.
    Moskalik, T.
    Nietupska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/985928.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    gospodarka lesna
    nadlesnictwa
    Nadlesnictwo Bialowieza
    Nadlesnictwo Browsk
    Nadlesnictwo Hajnowka
    surowce drzewne
    drewno
    sortymenty drewna
    sprzedaz drewna
    bialowieża forest
    timber sales
    assortment and species structure
    Opis:
    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 and nature conservation programs of the surveyed forest districts was also used. The volume of the sold merchantable timber in the Białowieża Forest amounted to 669,072 m3, of which 63.43% was softwood and 36.57% hardwood. Among the softwood assortment, sales of the large−sized timber amounted to 44.42%, while of the medium−sized timber to 55.58%. For the large−sized hardwood, the share of sales amounted to 30.66%, while for the medium−sized hardwood to 69.34%. The small−sized timber was sold at 22,389 m3, with the share of hardwood assortments being 82%, and of softwood 18%. A small share in the sales of small−sized timber is caused by the lack of FSC certification by forest districts, which excludes large industrial companies that buy predominantly the medium−sized coniferous timber assortments. The average price obtained from the sale of timber in the the Białowieża Forest in the analysed period was 134.7 PLN/m3. At a price higher than the average, wood was sold in the Białowieża and Hajnówka forest districts, while in the Browsk Forest District the timber was sold at a price lower than the average. The total volume of merchantable timber harvested in the forest districts of the Białowieża Forest in the analysed years, including the small−sized timber, amounted to 686,684 m3, with 691,461 m3 of timber being sold. The volume of the merchantable timber sold at that time was 669,072 m3, which constituted only 0.24% of the total timber sold at the State Forests in Poland.
    Źródło:
    Sylwan; 2018, 162, 11; 949-954
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ typu siedliskowego lasu na przychody uzyskiwane w ramach wczesnych i późnych trzebieży pozytywnych
    Influence of the forest habitat type on the income from the early and late positive thinnings
    Autorzy:
    Gostołek, R.
    Rutkowska, A.
    Adamowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/986630.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gospodarka lesna
    typy siedliskowe lasu
    trzebieze
    trzebiez pozytywna
    trzebiez wczesna
    trzebiez pozna
    przychody
    sprzedaz drewna
    thinnings for positive selection
    income
    forest economics
    Opis:
    Environment creating and general social cost−consuming factors are of the utmost importance to realize the multifunctional forest management. As a result, in some forest districts, one notes a disproportionate relationship between the costs and incomes. It can determine the level of the achieved profitability and influence the availability of the financial resources. One of the crucial elements of the realization of the forest management is the constant control of the cash flow (income and costs). Because of the specification of the forest management, the flows are determined by the economic as well as ecological factors. This is the reason of exploring of the influence of forest habitat types on the sales income reached as part of the early and late thinning for positive selection. The income from the sales of 100,798 m3 woody raw material acquired from 3,628 ha was analyzed. Forest habitat type significantly influenced the income taken from the sale of woody raw material that was reached as the part of analyzed tending (V=44%). It was proved that forest habitat type in case of early thinning for positive selection had higher all−important influence on the income acquired from the sale of wood than in case of late thinning for positive selection, which was determined as the middle influence (V=56 and 24%, respectively).
    Źródło:
    Sylwan; 2018, 162, 03; 179-188
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wad drewna wielkowymiarowego na przychody z jego sprzedaży
    Effect of defects on income from the sales of large dimension timber
    Autorzy:
    Szramka, H.
    Bieniaszewski, T.
    Auguścik, L.
    Bobek, J.
    Adamowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/987045.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ekonomika lesnictwa
    surowce drzewne
    obnizenie jakosci
    drewno wielkowymiarowe
    wady drewna
    drewno
    sprzedaz
    przychody
    Nadlesnictwo Zaporowo
    forest stands
    health
    timber
    wood defects
    forest economics
    Opis:
    Harvested timber has many various wood defects. Analyses were carried out on material collected in Zaporowo Forest District (northern Poland). Results show that various defects were found in 35% of harvested timber on average. The share of timber with defects varied among individual species (pine – 44%, spruce – 22%, oak – 14%, birch – 9%, beech – 5%, lime and larch – 2% each, hornbeam and alder – 1% each). The individual wood defects appeared in harvested timber with following frequency: knots – 55%, knobs – 22%, foreign bodies – 7%, curvature – 5%, inner rot – 5%, galls – 2%, blue stain – 1%, insect holes – 1%, false heartwood – 1%, and cracks – 1%. Timber defects resulted in reduction of income from the sales. A decrease in income caused by various defects amounted from 0.07 PLN/m3 for brown sap stain to 68.83 PLN/m3 for knots. The greatest effect of wood defects on the reduction of income from sales was recorded for oak timber (518.30 PLN/m3), while the smallest for aspen (4.63 PLN/m3). Due to the fact that in almost all analysed tree species the dominant effect on the reduction of income from timber sales was caused by knots (open knots and knobs) systematic solutions need to be found in order to reduce the effect of this defect. It is particularly important in the case of oak timber, where a decrease in income from timber sales connected with this defect was the greatest.
    Źródło:
    Sylwan; 2017, 161, 03; 238-246
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Obrót surowcem drzewnym najwyższych klas jakości w Polsce
    Sales of the timber in the highest quality class in Poland
    Autorzy:
    Paschalis-Jakubowicz, P.
    Kulik, P.
    Lachowicz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/973511.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    surowce drzewne
    baza surowcowa
    drewno okleinowe
    drewno wielkowymiarowe
    pozyskiwanie drewna
    rynek drzewny
    klasy jakości
    drewno łuszczarskie
    słupy teletechniczne
    sprzedaż
    wood veneer
    plywood
    harvest
    sale of wood
    timber market
    Opis:
    The paper analyses the amount of cut, the assortment and species structure of the current domestic market for timber of the highest quality classes (wood veneer, plywood, telecommunication poles) in Poland in years 2005−2009. Oak and beech are the main source of material for the production of veneer in Poland. Sales of oak veneer in 2005−2009 amounted to 17,502.9 m3 (35.8% of the total sales of assortment WA1). Sales of beech veneer in 2005−2009 amounted to 11,233.5 m3 (23.0% of total sales). Among the plywood assortments harvested in Poland in 2005−2009, birch was harvested and sold in the largest quantities – 503,870.0 m3 (39.1% of total harvest) and 590,822.4 m3 (43.8% of total sales). Of all the regional directorates of the State Forests, the Krosno RDSF showed in 2005−2009 the largest harvest of WA1 assortments – 9734.0 m3 (21.4% of the total harvest), and sale – 9611.0 m3 (19.7% of total sales). Because of the large beech and sycamore timber resources, forests in the Krosno RDSF are a main current and potential source of veneer assortments. Because of the large amounts of harvested and sold oak, beech, pine, birch and alder veneer the Białystok, Olsztyn, Szczecinek and Szczecin RDSFs play the dominant role on the Polish timber market. The leading role in terms of plywood sales in the period under review was taken by RDSFs Olsztyn – 24.9%, Białystok – 26.2%, Szczecinek – 13.1% and Szczecin – 11.6%. These RDSFs taken together supplied to the market 75.8% of plywood, being the main material base for the plywood industry. The dominant role of these RDSFs derives from the fact that forests under their administration are rich in birch, alder and pine. Spruce as a plywood material is insufficiently used by the plywood industry (harvest – 33,269.9 m3, sale – 579.5 m3).
    Źródło:
    Sylwan; 2015, 159, 02; 91-102
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Opłacalność pozyskania drewna czereśni ptasiej (Prunus avium L.) w latach 1998-2000 na terenie RDLP Krosno i RDLP Lublin
    Profitability of harvest of wild cherry (Prunus avium L.) timber in the years 1998-2000 in Regional Directorates of the State Forests in Krosno and Lublin
    Autorzy:
    Kulik, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023283.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drewno czeresniowe
    Prunus avium
    oplacalnosc
    RDLP Krosno
    RDLP Lublin
    sprzedaz
    lesnictwo
    czeresnia ptasia
    pozyskiwanie drewna
    drzewa lesne
    wild cherry (prunus avium l.)
    unit costs
    submission
    assortment
    Opis:
    The profitability of harvesting 1 m3 of wild cherry timber was on the level from 79 to 87% in 1998, 79 to 91% in 1999 and 79 to 76% in 2000. In addition to retail sales, the price obtained from wild cherry timber sales in tenders held in the Świdnik Forest District reached 101% to 109% of the initial price. The sale price in the submission in 2000 was PLN 2050 per 1 m3 of wild cherry timber and in 2001 – from PLN 651 to 1943 per 1 m3.
    Źródło:
    Sylwan; 2004, 148, 06; 44-51
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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