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    Wyświetlanie 1-14 z 14
    Tytuł:
    Czynniki wpływające na wahania sezonowe na rynku surowca drzewnego w Europie Zachodniej
    Faktory vlijajushhie na sezonnye kolebanija na rynke drevesnogo syrja v Zapadnojj Evrope
    Factors influencing on the seasonal fluctuations on the timber market in West Europe
    Autorzy:
    Sobiech, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/825058.pdf
    Data publikacji:
    1989
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewnictwo
    rynek drzewny
    drewno
    popyt
    ceny
    zmiany sezonowe
    Europa Zachodnia
    Źródło:
    Sylwan; 1989, 133, 08
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Znaczenie wartości drewna tartacznego w nowym systemie bodźców
    Znachenie stoimosti pilovochnojj drevesiny v sistemie ehkonomicheskikh stimulov
    The importance of the value of sawn timber in the new system of incentives
    Autorzy:
    Milewski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/812371.pdf
    Data publikacji:
    1971
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    tartacznictwo
    drewno tartaczne
    grubosc
    wartosc uzytkowa
    wydajnosc materialowa
    ceny
    Źródło:
    Sylwan; 1971, 115, 03
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Regulacja uzytkowania drzewostanow na tle wymagan gospodarki rynkowej. Czesc I.
    Autorzy:
    Plotkowski, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/817182.pdf
    Data publikacji:
    1997
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    drzewostany
    ceny
    uzytkowanie lasu
    gospodarka rynkowa
    lesnictwo
    uzytkowanie rebne
    popyt
    podaz
    drewno
    regulacja
    pozyskiwanie drewna
    Źródło:
    Sylwan; 1997, 141, 07; 67-80
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Predykcja cen surowca drzewnego na podstawie siedmioletniego modelu tendencji rozwojowej
    Forecasting prices of timber raw material based on a seven-year development trend model
    Autorzy:
    Górna, A.
    Adamowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/979018.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    rynek drzewny
    surowce drzewne
    ceny
    prognozy cen
    modele liniowe
    leśnictwo
    wood market
    prediction
    price of wood
    forest marketing
    linear model
    forestry economics
    Opis:
    The article analyzes the possibility of using a seven−year development trend model to forecast the average price of wood sales (CGUS). Price models and forecasts were made on the basis of three different time series covering 7−year periods. The forecast of timber prices in individual years was developed on the basis of extrapolation going beyond the set of information adopted for research used to build the development trend model. We found that the size of the indicators of determination of the analyzed functions ranged from 0.5 to 0.6, and the convergence rates from 0.5 to 0.4. This means that the linear functions were characterized by poor adjustment to real prices. Despite this, the timber price forecasts differed from the empirical prices from PLN 1.81 to 13.91. In relative categories, the forecast error was in the range from 0.92 to 7.28%. Therefore, in our opinion, the research process presented can be a reference point as a comparative element to verify forecast results for other (non−linear) price forecasting models. The process of modeling timber raw material prices should be extended to other predictors related to the forest marketing chain. The predicted results from these models cannot be worse than those obtained by forecasting using linear functions
    Źródło:
    Sylwan; 2020, 164, 03; 206-215
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ceny sprzedaży drewna w użytkowaniu przedrębnym w drzewostanach sosnowych w zależności od ich wieku
    Prices of timber sales in the intermediate harvest in Scots pine stands depending on their age
    Autorzy:
    Mandziuk, A.
    Parzych, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/979471.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Panstwowe Gospodarstwo Lesne Lasy Panstwowe
    drzewostany sosnowe
    wiek drzewostanu
    uzytkowanie przedrebne
    surowce drzewne
    drewno
    sortymenty drewna
    ceny sprzedazy
    site class index
    timber price
    assortments
    intermediate harvest
    Opis:
    The research concerned the implementation of tasks in the field of harvesting timber in 2008−2012 in pure pine stands aged 10−140. Numerical data from the SILP database were used for calculating the average price of timber in the intermediate harvest. The data on the volume harvested covered late cleaning, early thinning and late thinning. The assortment structure concerned the following groups of large− (WA0, WA1, WB0, WB1, WC0, WC1 and WD), medium− (S10, S11, S2A, S2B, S3A, S3B and S4) as well as small−sized (M1 and M2) assortment groups. The data on the size and value of wood assortments sold across the country concerned the year 2011 and were used to calculate the average price of wood in age subclasses according to the site quality described with site index class. Subsequently, for each site quality class polynomial equations of the trend line was determined and average timber price for each age subclass was calculated for small−, medium− and large−sized assortments. The analysis showed that S2 is the most frequently harvested assortment in the intermediate cuts in Scots pine stands, whose share depending on the site quality class is at the level of 65.7−72.7% of total harvest. The share of small−sized assortments decreases with age in all site quality classes. The opposite tendency is seen for large−sized assortments, whose share decreases with the deterioration of the site quality. Fraction of medium−sized assortments reaches its peak at the age of ca 45 in IA site index class and the shift in the peak with age is associated with the deterioration of the site quality. The higher the site quality, the higher the prices of assortments in the intermediate harvest. This trend occurs in all age subclasses.
    Źródło:
    Sylwan; 2019, 163, 11; 883-891
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie dekompozycji szeregów czasowych do analizy wahań podaży i cen drewna na przykładzie Nadleśnictwa Marcule
    Time series decomposition of timber production volume and prices using the example of the Marcule Forest District
    Autorzy:
    Banas, J.
    Kożuch, A.
    Zaborski, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/979561.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Panstwowe Gospodarstwo Lesne Lasy Panstwowe
    Nadlesnictwo Marcule
    rynek drzewny
    drewno
    podaz
    ceny
    zmiennosc sezonowa
    szeregi czasowe
    timber market
    seasonal fluctuations
    cyclic fluctuations
    variation in timber prices
    Opis:
    The objective of the study was to identify and analyze long−term trends as well as cyclic, seasonal, and irregular effects in timber volume and prices by means of time series decomposition. The adopted multiplicative model was the product of all the time series components identified using the Census X11 method. The study material consisted of quarterly data on the volume and prices of timber sold by the Marcule Forest District (central Poland) in the years 2006−2018. Analysis was performed for the overall timber production volume, as well as separately for pine timber (constituting 86% of the total) and oak timber (5%), taking into account large−diameter saw timber (WC0) and medium−diameter industrial and general purpose timber (pulpwood, S2A). Over the analyzed period, the nominal prices of timber rose on average by 39% from 165 to 229 PLN/m3. The greatest price increase was recorded for large−diameter oak timber (by 100%), while the prices of WC0 pine timber, which accounted for the greatest proportion of the production volume, increased by 23% on average. Production characterized marked seasonality throughout the year, depending on the species. Pine timber sales were the lowest in 1st quarter and the highest in 3rd one, while oak timber sales were the lowest in 3rd quarter and the highest in 4th one. The seasonal effect accounted for the largest proportion of variation in timber production volume. The seasonality of timber prices was negatively correlated with production. The highest prices for pine and oak timber were obtained in 1st and 2nd quarters respectively, when the production volume of those timber species was the lowest. Conversely, the lowest prices were recorded in seasons characterized by the greatest production volume, i.e., in 3rd quarter for pine and in 4th quarter for oak. The decomposition of overall variation in timber prices into its components, which can be predicted (cyclic and seasonal fluctuations as well as long−term trend), and those that are difficult to forecast (irregular effect) is of great significance for timber sales management as the results can be used to improve timber price forecasting.
    Źródło:
    Sylwan; 2019, 163, 10; 820-829
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmiany cen, ilości i wartości surowca drzewnego sprzedawanego w Lasach Państwowych
    Changes in prices, volume and value of wood raw material sold by the State Forests
    Autorzy:
    Wysocka-Fijorek, E.
    Lachowicz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/985841.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Panstwowe Gospodarstwo Lesne Lasy Panstwowe
    surowce drzewne
    drewno
    ceny
    wartosc
    dynamika cen
    analiza sprzedazy
    indeks Laspeyresa
    indeks Fischera
    indeks Paaschego
    dynamics measures
    laspeyres index
    paasche index
    fisher index
    Opis:
    The State Forests in Poland operate according to the principles of sustainable forest management combining and fulfilling diverse functions. Wood production is one of them. In this context, the question arises whether the species composition of forest stands has a greater impact on timber sales than the optimization of the assortment structure of harvested timber. The aim of the paper is to present the dynamics of prices, volume and value of timber sold by the State Forests and to examine the impact of the price and volume on the value of timber sales. The analysis of the dynamics measures was based on the data in the financial reports published annually on the websites of the State Forests as well as on the announcements of the Central Statistical Office in Poland on the average price of timber, calculated from the average price of timber sold by forest districts in the first three quarters of the year. The aggregate indices were calculated using the data on the volume, prices and value of the sold timber included in the State Forests Information System. The data were obtained by dividing wood assortments and species into groups. The analysis focused on years 2012−2014. It included seven tree species: pine, spruce, fir, oak, beech, alder and birch as well as the most common groups of wood assortments: WA, WB, WC, WD, WBCK, WCK, S1, S2, S4, M1 and M2, for which the weighted average price of timber and the amount of timber sold were calculated in individual years. Of the analysed characteristics (price, volume, value), the average rate of changes in timber prices was the lowest and amounted to 1.9% per year. The volume of timber offered on the market increased by 3.01% annually. The cumulative effect of the increase in the price and volume of timber offered for sale was 5.94% of the annual value of timber sold.
    Źródło:
    Sylwan; 2018, 162, 01; 12-21
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cenowa elastyczność popytu na drewno na pierwotnym lokalnym rynku drzewnym w Polsce
    Price elasticity of demand for timber on primary local wood market in Poland
    Autorzy:
    Adamowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009216.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    ekonomika i organizacja
    drewno
    drewno sosnowe
    drewno wielkowymiarowe
    popyt
    ceny
    elastycznosc popytu
    rynek drzewny
    rynek lokalny
    Polska
    economics of forestry
    forest management
    timber trade
    timber market
    Opis:
    The paper presents an analysis of price elasticity of large−sized timber on the primary local wood market. It was found that both price and volume of harvested assortments were changing. In the analysed period price elasticity of demand for individual assortments was periodically elastic and non−elastic.
    Źródło:
    Sylwan; 2010, 154, 02; 130-138
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ zmian cen żywca wieprzowego i wołowego na ceny tusz zwierząt łownych w latach 2005-2016
    Impact of pork and beef price changes on wild game carcass prices in years 2005-2016
    Autorzy:
    Górnowicz, A.
    Starosta-Grala, M.
    Ankudo-Jankowska, A.
    Adamowicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/979639.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gospodarka lowiecka
    dziczyzna
    rynek dziczyzny
    ceny
    tusze jelenie
    tusze dzikow
    tusze sarnie
    korelacje cen
    zywiec wieprzowy
    zywiec wolowy
    zmiany cen
    hunting economy
    game
    meat
    boar
    deer
    roe−deer
    correlation
    Opis:
    Because of the ever−changing nature of the environment, the limited availability of natural resources, and the increased number of people in the world, modifications in food production can be very important. In order to prevent irreversible damage occurring in the natural environment, food sources that are an alternative to pig meat, beef and poultry from industrial production are being sought. An alternative may be the meat of slow−moving animals. The studies show the impact of livestock (such as pigs and cattle) price changes in comparison to wild game purchase prices. An average correlation was found (r=–0.536) between unit purchase prices of pig livestock and unit purchase prices of wild boar. Regarding the changes in the purchase prices of beef livestock and the purchase prices of the deer carcasses, a weak correlation was observed (r=0.219), while a lack of correlation (r=–0.012) was found between the change in the price of beef and roe−deer. On the basis of the conducted studies, it was stated that in the situation of predicting prices for carcasses of game animals in Poland, information on the apparently substitutive good of farm animals should not be included. The average or low level of correlation, or in case of roe−deer carcass – the lack of correlation between the prices of farmed animals and the prices of wild game, make it possible to conclude that the processes taking place on the analyzed markets in terms of price developments were separate and unrelated.
    Źródło:
    Sylwan; 2019, 163, 02; 168-176
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kształtowanie cen oraz metody sprzedaży surowca cennego w Polsce
    Prices and sales methods of the valuable timber in Poland
    Autorzy:
    Paschalis-Jakubowicz, P.
    Kulik, P.
    Lachowicz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/989859.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    rynek drzewny
    surowce drzewne
    drewno cenne
    drewno okleinowe
    drewno luszczarskie
    sprzedaz
    ceny
    submisje
    aukcje internetowe
    RDLP Krosno
    RDLP Poznan
    veneer
    plywood
    timber prices
    timber sales
    auctions
    submission sales
    Opis:
    The analysis of the sales methods and prices of the highest quality timber (wood veneer, plywood and telecommunication poles) was based on the data obtained from the General Directorate of the State Forests covering the period 2005−2009. They were supplemented by the data on sales, prices and revenues from sales, auctions and submissions obtained from the Regional Directorates of the State Forests (RDSF) in: Szczecin, Poznań, Białystok, Krosno and Lublin. The results of the submission sales organized by the Krosno RDSF and auctions organized by the Poznań RDSF in 2005−2009 were also analysed. The analyses confirm that sales of the highest quality wood through auctions and submissions give the best economic results while ensuring the optimal use of the existing resource base. Both sales methods foster rational use of valuable wood and therefore should be adopted in other RDSFs. In the years 2005−2009, the difference (increase) between wood valuation and the derived income from the auction sales organized in the Poznań RDSF amounted to 39.6%. The difference (increase) between wood valuation and the derived income from the submission sales organized in the Krosno RDSF in the same period amounted to 80.1%. The maximum prices of wood veneer obtained through auctions and submissions are higher than the prices obtained via Internet sales. Among the WA1 assortments sold in Poland in the years 2005−2009, sycamore, maple, and cherry veneer reached the highest average price per cubic meter. Among the wood species from which veneer is produced, oak veneer is the most sold species. Among the WB1 assortments sold in Poland in the years 2005−2009, pine and spruce plywood reached the highest average price per cubic meter. The prices of birch, beech and alder plywood were lower and varied by a maximum of 6.7%. Among the species from which plywood is produced, birch plywood sells bests.
    Źródło:
    Sylwan; 2015, 159, 04; 267-277
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Podstawy metodyczne prognozy finansowo−gospodarczej dla Lasów Państwowych
    Methodological foundations of financial and economic forecast for the State Forests National Forest Holding
    Autorzy:
    Kocel, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1009555.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    surowce drzewne
    popyt
    drewno
    ceny
    pozyskiwanie drewna
    przychody
    koszty
    prognozowanie
    metodyka
    Panstwowe Gospodarstwo Lesne Lasy Panstwowe
    prognozy gospodarcze
    forecast
    wood price
    demand for wood
    income and expenses of the state forest nfh
    Opis:
    The article depicts the methodology of long−term financial and economic forecast for the State Forests. The method of forecasting Polish raw timber requirement was confined to determining the demand for timber materials whose use depends on the demand for final timber products. Timber price forecasts were carried out with the application of several methods and their reliability was evaluated using an expert’s method. The methods of assessing the timber harvest potential in the State Forests NFH in the forecast period were based on the forest management planning guidelines. Forest administration cost forecast variants were prepared. The forecasted income and expenses, as well as the financial result of the State Forests NFH were included in Excel forecast spreadsheets. The completed forecast was used in 2007 by the management of the State Forests NFH for salary negotiations with trade unions and for negotiating prices of services with forest companies.
    Źródło:
    Sylwan; 2010, 154, 01; 41-51
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rynek drzewnego surowca brzozowego w Polsce w latach 2008-2012
    Silver birch timber market in Poland in 2008-2012
    Autorzy:
    Lachowicz, H.
    Wysocka-Fijorek, E.
    Paschalis-Jakubowicz, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989465.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    brzoza brodawkowata
    Betula pendula
    surowce drzewne
    drewno brzozowe
    struktura sortymentowa
    podaz
    ceny
    rynek drzewny
    analiza rynku
    lata 2008-2012
    Panstwowe Gospodarstwo Lesne Lasy Panstwowe
    silver birch
    timber market
    sales of timber
    wood prices
    Opis:
    The article presents an analysis of the birch market in Poland in 2008−2012, including the acquisition (supply) of birch wood, the income structure, prices of birch wood, the structure of birch wood recipients and the volume of purchased timber. The necessary materials were obtained from the Forest Data Bank (BDL) and the State Forests Information System (SILP). The S2 wood assortment representing more than 54% of all assortment groups is most often harvested in Poland. Next come M1 representing 14%, as well as S4 and WC – each with share slightly exceeding 11%. The vast majority of the harvested and handled birch wood is in the group of medium−sized assortments S representing 66%, and in the group of small−sized assortments M representing 14%. Birch wood classified as large−sized W totals 20%. Similarly, timber assortments from group S2 also generate the largest portion of revenues (over 50% of total revenues from birch wood sales). High fluctuations in the prices of certain groups of birch wood assortments constitute a significant problem from the point of view of both the State Forests and wood consumers. A possible reduction in the supply of wood of this species in the future may deepen this phenomenon. Average sales prices of birch wood on the Polish market are lower than the prices obtained by timber producers in the neighbouring countries. The price differences in favour of foreign timber producers reach up to 20% and relate to roundwood in different quality and size classes. The exceptionally high technical quality of birch wood in our country does not translate to higher prices per cubic meter of raw timber in the domestic turnover. The sharp increase in the demand for a special type of fibres for the manufacture of many products characterized by exceptional strength (i.e. products from polymers) and textiles with special insulating properties, as well as the production of certain grades of paper and board, will stimulate the consumption of birch wood in the future.
    Źródło:
    Sylwan; 2016, 160, 12; 971-980
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wyniki submisji drewna cennego na przykładzie RDLP Krosno
    Submission sale of valuable wood on the example of the Krosno Regional Directorate of the State Forests
    Autorzy:
    Zastocki, D.
    Dobosz, L.
    Moskalik, T.
    Sadowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/972767.pdf
    Data publikacji:
    2012
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drewno
    sprzedaz
    submisje
    RDLP Krosno
    ceny
    rynek drzewny
    analiza cen
    drewno cenne
    drewno bukowe
    drewno brzozowe
    drewno czeresniowe
    drewno debowe
    drewno jesionowe
    drewno jaworowe
    drewno klonowe
    drewno lipowe
    drewno modrzewiowe
    drewno olszowe
    drewno orzecha
    drewno osiki
    drewno sosnowe
    drewno wiazowe
    submission
    assortment
    valuable wood
    timber market
    Polska
    Opis:
    Sale of valuable wood assortments in the State Forests takes place in submissions and other forms of timber sale. In response to the growing demand for a specific timber, the forest administration of the Krosno Regional Directorate of the State Forests (RDSF) offers customers the ever−increasing amount of high−quality wood for sale in the submission. This has resulted in an increased interest in purchases of large amounts of wood in one place to be processed by veneer wood companies, and at the same time contributed to the promotion of the Podkarpacie region.The paper presents sale results and prices of veneer wood obtained in submissions and in other forms of sale in the territory of the Krosno RDSF in the years 2000−2009. A detailed analysis of the value of sales of valuable wood in submissions and in other forms of sale in individual years allowed to draw conclusions confirming the correctness of the decisions made in choosing such forms of timber sale.
    Źródło:
    Sylwan; 2012, 156, 07; 483-493
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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