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    Wyświetlanie 1-15 z 15
    Tytuł:
    Aktywnosc enzymatyczna wierzchnich warstw gleb regla dolnego i gornego Karkonoskiego Parku Narodowego
    Enzymatic activity of upper layer of forest soils at upper and lower mountain regions in Karkonosze National Park
    Autorzy:
    Olszowska, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/45989.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    gleby lesne
    warstwa wierzchnia
    aktywnosc enzymatyczna
    Karkonoski Park Narodowy
    regiel gorny
    lesnictwo
    regiel dolny
    Źródło:
    Leśne Prace Badawcze; 2007, 2; 95-103
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zywotnosc drzewostanow swierkowych regla dolnego w kompleksie Romanki i Lipowskiej a zawartosc makro- i mikroelementow w iglach drzew oraz wlasciwosci chemiczne wierzchnich warstw gleb
    Autorzy:
    Zawada, J
    Powiązania:
    https://bibliotekanauki.pl/articles/53532.pdf
    Data publikacji:
    1998
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    zywotnosc drzewostanu
    mikroelementy
    zawartosc pierwiastkow
    lasy gorskie
    drzewostany swierkowe
    lesnictwo
    makroelementy
    regiel dolny
    wlasciwosci chemiczne
    gleby lesne
    Hala Lipowska
    igly swierkowe
    Hala Romanka
    Źródło:
    Prace Instytutu Badawczego Leśnictwa. Seria A; 1998, 843-851; 79-93
    0369-9870
    Pojawia się w:
    Prace Instytutu Badawczego Leśnictwa. Seria A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gleby siedlisk leśnych Żywiecczyzny Cz. II. Siedliska wysokich położeń regla dolnego i regla górnego
    Solis of forest site types in Żywiec region Part II. Forest sites at high elevations of the lower montane zone
    Autorzy:
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023762.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    siedliska lesne
    Beskid Slaski
    gleby lesne
    Beskid Maly
    Beskid Zywiecki
    regiel gorny
    lesnictwo
    wysoki regiel dolny
    forest site type
    mountain forest site
    high elevations of lower montane zone
    west beskidy
    forest soil
    fertility
    Opis:
    The studies on soil properties affecting forest sites at high elevations of the lower (900−1100 m a.s.l.) and upper montane zones were carried out in the Żywiec region. The paper describes the relationships between forest site types and underlying parental rock, soil type and subtype, as well as basic physical and chemical properties of soils used in the assessment of their natural fertility and productivity.
    Źródło:
    Sylwan; 2004, 148, 03; 14-20
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przemiany dolnoreglowych drzewostanów świerkowych poddanych ochronie częściowej w Tatrzańskim Parku Narodowym
    Changes of spruce stands in the lower mountain forest belt subjected to active protection in the Tatra National Park
    Autorzy:
    Holeksa, J.
    Greiert, J.
    Krzan, Z.
    Olszowska, B.
    Skawiński, P.
    Wika, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1035869.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    renaturalizacja
    Tatrzanski Park Narodowy
    ochrona czesciowa
    drzewostany swierkowe
    przebudowa drzewostanow
    parki narodowe
    lesnictwo
    struktura drzewostanu
    regiel dolny
    national park
    active protection
    mixed stand restoration
    picea abies monocultures
    Opis:
    One of the most important objective of the active nature protection in national parks situated in Polish mountains is the restoration of mixed stands replaced by Norway spruce monocultures. Seven spruce stands situated in the Tatra National Park were measured in 1983−1986 and in 2001. The density of all stands decreased whereas the basal area and volume increased. In some of them the changes were considerable. The contribution of Fagus sylvatica and Abies alba, two most important tree species in natural mountain forests, changed only slightly and even decreased in three stands. Intensity of elimination of trees was related to their thickness – thin trees were removed from stands more often. Due to this way of thinning the variation of tree thickness diminished in all spruce stands. The densities of Fagus sylvatica and Acer pseudoplatanus saplings increased in all stands as a result of former planting. However, they are still to low for effective restoration of mixed stands. It can be concluded that mainly sanitary cuttings have been used recently in all stands. This line of management is not deliberately focused on the restoration of mixed stands and the diversification of their structure. It results in aging of dense spruce stands and increases the risk of future large−area disturbances due to strong winds and insect outbreaks.
    Źródło:
    Sylwan; 2003, 147, 10; 37-46
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pokrywa śnieżna jako czynnik wpływający na przeżywalność i kiełkowanie bukwi
    The effect of snow cover on the survival and germination of beech seeds
    Autorzy:
    Piotrowski, M.
    Skrzydłowski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1015913.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    przezywalnosc
    buk zwyczajny
    nasiona
    wyzyny
    Babiogorski Park Narodowy
    lesnictwo
    regiel dolny
    Ojcowski Park Narodowy
    pokrywa sniezna
    Fagus sylvatica
    zdolnosc kielkowania
    drzewa lesne
    fagus sylvatica
    seed survival
    beech seeds
    snow
    Opis:
    The effect of the snow cover on the survival of beech seeds from the time seeds fell onto the ground until the appearance of seedlings was investigated during two seasons at the study sites in the Babiogórski National Park and in the Ojcowski National Park. The obtained results show that snow cover has influence on the shaping of a spatial pattern of seed survival, and on the appearance of germinated seedlings. However, no decisive influence of snow cover was shown on the appearance of seedlings. The drying of the germinated seeds is the main cause of their mortality.
    Źródło:
    Sylwan; 2007, 151, 02; 59-68
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Klimatyczne przyczyny krótkookresowych reakcji przyrostowych jodły pospolitej z pogórza oraz regla dolnego
    Climatic drivers of short-term increment reactions of silver fir in the foothills and the lower montane forest zone
    Autorzy:
    Wilczyński, S.
    Szymański, N.
    Kołbut, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/989846.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    drzewa lesne
    jodla pospolita
    Abies alba
    dendroklimatologia
    przyrosty radialne
    reakcje przyrostowe
    czynniki klimatyczne
    pogorze
    regiel dolny
    Nadlesnictwo Ustron
    dendroclimatology
    radial increment
    abies alba
    the beskid śląski mountains
    Opis:
    The aim of this study was to i) determine similarities and differences in the increment reaction of silver firs growing at different elevation, ii) identify climatic factors, which caused these response, and iii) determine dendroclimatic zones and identify a site, where a tree grew on the basis of tree−ring widths series. Studied stands were located in the Ustroń Forest District at the elevation of: 500−550 m a.s.l. (foothill zone, 18°59‵ E, 49°43‵ N) and 800−850 m a.s.l. (lower montane forest zone, 18°58‵ E, 49°43‵ N). In each stand 20 dominant firs were selected and one increment core per tree was taken. Tree−ring widths (fig. 1) were transformed into annual sensitivity index (fig. 2). Principal component analysis was used to reduce a number of original variables and classify the tree−ring series. Response function analysis was used to determine climate−radial increment relationships. The standardized series of firs on both sites were different in terms of the climate influence (fig. 3). The analysed trees responded differently to solar and thermal conditions in previous autumn and current summer as well as to pluvial conditions at the beginning of winter and in the second half of summer. The investigated firs had also common increment characteristics. The trees from both sites responded similarly to thermal, solar and pluvial conditions in February, solar and pluvial conditions in May and temperature in winter and summer (fig. 4). Climatic signal of each elevation zone was recorded by each tree and depended on the climatic conditions in given area. On the basis of standardized tree−ring series, dendroclimatic regionalization can be created and the stand, where a tree grew, can be identified.
    Źródło:
    Sylwan; 2015, 159, 05; 372-380
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmienność wybranych cech makrostruktury i gęstości drewna świerkowego (Picea abies (L.) Karst.) z regla dolnego i górnego
    Variability of selected macrostructural features and density of Picea abies (L.) Karst. wood from lower and upper subalpine forest zones
    Autorzy:
    Michalec, K.
    Wąsik, R.
    Barszcz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/989498.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wysokosc nad poziomem morza
    lesnictwo
    lasy gorskie
    regiel gorny
    regiel dolny
    drzewa lesne
    swierk pospolity
    Picea abies
    drewno swierkowe
    drewno pozne
    gestosc drewna
    sloje przyrostu rocznego
    szerokosc
    czynniki siedliska
    tree−ring width
    latewood share
    height above mean sea level
    Opis:
    The paper compares the properties of Norway spruce (Picea abies (L.) Karst.) wood from stands growing in the lower and upper subalpine forest zone in terms of the tree−ring width, the share of latewood and the wood density. The investigation concerned material originating from plots established within the boundaries of the south−western incidence of spruce in Poland. Plots were located in the Sudety Mts. and in the Carpathians (tab. 1). On each plot fifteen Norway spruces were chosen and increment cores were sampled using the Pressler borer. The surface of the cores was smoothed and the tree−ring width was measured. The latewood zones were determined and the share of latewood was calculated. Then, the cores were divided into 2 cm sections, for which the relative wood density was determined. Tree−rings were wider in trees growing in the lower when compared with those from the upper subalpine forest zone (tab. 2). Weak negative correlation was revealed between the elevation and the tree−ring width (r=–0.308). The latewood share was slightly higher in trees from the upper than those from the lower subalpine forest zone (tab. 2). However, no statistically significant correlation between the latewood share and elevation was recorded. The wood density was slightly lower in trees from the lower than those from the upper subalpine forest zone (tab. 2), but the difference was not statistically significant. The correlation between the wood density and the elevation turned out to be insignificant.
    Źródło:
    Sylwan; 2016, 160, 10; 855-860
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Warunki glebowe świerczyny nawapiennej (Polysticho-Piceetum) w górnej części regla dolnego Tatr
    Soil conditions of spruce forest on limestone (Polysticho-Piceetum) in the upper part of the lower montane zone in the Tatra Mts.
    Autorzy:
    Lasota, J.
    Blońska, E.
    Zwydak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/989584.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    siedliska lesne
    Tatry
    regiel dolny
    swierczyna nawapienna
    zespol Polysticho-Piceetum
    warunki siedliskowe
    warunki glebowe
    gleby lesne
    uziarnienie gleby
    wlasciwosci fizykochemiczne
    wlasciwosci sorpcyjne
    forest sites
    soil properties
    norway spruce
    limestone
    Opis:
    The aim of this paper is to present the properties of soils and topography conditions of Norway spruce forests growing on the limestone (Polysticho−Piceetum) in the upper part of the lower montane zone. The study was conducted in the Tatra Mts. (southern Poland) on six study plots reflecting the living conditions of spruce forest on limestone. On each plot the topography conditions were described, soil pits were dug and samples for laboratory analysis were collected. The following characteristics were determined in the soil samples: pH, the content of C and N, particle size, the content of Ca, Mg, Na and K, exchangeable acidity, aluminum content and hydrolityc acidity. For each study plot the stand characteristics were measured (diameter at breast height and height). The Soil Trophic Index for mountain areas (SIGg) was calculated on the basis of <0.02 mm fraction content, the sum of exchangeable base cations, soil acidity and the total content of N and C organic in the humus−mineral horizon. Polysticho−Piceetum stands in the upper part of the lower zone between 1000 and 1200 m above sea level developed in the unique geomorphological and geological conditions. They covered very shallow weathered fragments of limestone or steep slopes with fine−grained scree of carbonate rocks. Rendzic Hyperskeletic Leptosols (Humic) and Calcaric Lithic Leptosol are soils typical for analysed spruce stands. Character of site was reflected in the SIGg values that ranged between 15 and 20. The moder−mull and tangel−mor humus type was found on the majority of the investigated plots. Low fertility of soil was confirmed by the site index of analysed stands (IVth and Vth class).
    Źródło:
    Sylwan; 2016, 160, 05; 407-415
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gleby siedlisk leśnych Żywiecczyzny Cz. I. Siedliska niskiego regla dolnego
    Autorzy:
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023518.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    siedliska lesne
    Beskid Slaski
    Zywiecczyzna
    lasy gorskie
    Beskid Maly
    Beskid Zywiecki
    lesnictwo
    niski regiel dolny
    forest site type
    mountain forest site
    low elevations of lower montane zone
    west beskidy
    forest soil fertility
    Opis:
    The studies on soil properties affecting forest sites at low elevations (up to 900 m a.s.l.) of the lower montane zone were carried out in the Żywiec region. The paper describes the relationships between forest sites types and underlying parental rock, soil type and subtype, as well as basic physical and chemical properties of soils used for the assessment of their natural fertility and productivity.
    Źródło:
    Sylwan; 2004, 148, 02; 3-10
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tekstura karpackiego dolnoreglowego drzewostanu mieszanego o charakterze pierwotnym
    Texture of a primeval lower montane mixed forest in the Carpathians
    Autorzy:
    Kołodziej, Z.
    Paluch, J.
    Bartkowicz, L.
    Pach, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/989790.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Babiogorski Park Narodowy
    regiel dolny
    drzewostany mieszane
    drzewostany swierkowo-bukowo-jodlowe
    las pierwotny
    tekstura drzewostanu
    sklad gatunkowy
    drzewa lesne
    liczba drzew
    piersnicowe pole przekroju
    primeval forest
    mixed stands
    spatial pattern
    structural heterogeneity
    diversity index
    forest dynamics theory
    Opis:
    The aim of this study was to characterize the texture of a primeval forest composed of Fagus sylvatica (L.), Abies alba (Mill.) and Picea abies ((L.) H. Karst). Empirical data were collected in the Babia Góra National Park (southern Poland) in the stand being under strict protection since 1934. 259 circular plots with a radius of 7.0 m and an area of 154 m² each were established in nodes of 20×20 m grid. For individual plots and blocks of the combined plots representing gradient of spatial scales between 0.015 and 0.640 ha, the number of trees, diameter at breast height (dbh) distributions, basal areas and the values of structural diversity indices of Gini (GI), Shannon (SH) and Staudhammer−LeMay (STVI) were determined. The indices were also calculated for several types of theoretical distributions. Based on the values obtained for the theoretical distributions, the individual plots and the blocks of the combined plots were classified as representing simple (GI≤0.30;STVI≤0.10), moderately diversified (0.300.45; STVI>0.30) dbh structure. For all the spatial scales analyzed the average values of GI and STVI indices reached the level typical for populations of a high structural diversity (i.e. exceeded the values of 0.45 and 0.30 respectively). According to the GI and STVI values, the portion of stand patches with complex dbh structure ranged from 70.9% and 68.2% at the individual plots scale, respectively, up to 100% in the blocks of 16 plots (4×4). In general, in all the spatial scales analyzed the spatial diversification of the dbh distributions and basal area levels was higher than in managed selection forests and much higher than in managed single−storied stands. The dominant frequency of highly diversified dbh distributions found in the analysed stand was not concordant with the predictions of the forest dynamics theory based on developmental stages, according to which in primeval forests with a significant partition of Abies alba and Picea abies should prevail stand patches of rather simple dbh structure, characteristic for the long−lasting optimum stage.
    Źródło:
    Sylwan; 2015, 159, 07; 600-609
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmiany udziału buka, jodły i świerka w dolnoreglowych drzewostanach naturalnych w rezerwacie "Dolina Łopusznej" (Gorczański Park Narodowy)
    Changes in the proportion of beech, fir and spruce in the natural stands of the lower-montane zone in the 'Łopuszna Valley' Reserve (Gorczanski National Park)
    Autorzy:
    Jaworski, A.
    Pach, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/991817.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Gorczanski Park Narodowy
    regiel dolny
    rezerwaty przyrody
    rezerwat Dolina Lopusznej
    drzewostany naturalne
    sklad gatunkowy
    zmiany skladu gatunkowego
    buk zwyczajny
    Fagus sylvatica
    jodla pospolita
    Abies alba
    swierk pospolity
    Picea abies
    liczba drzew
    zasobnosc drzewostanu
    klasy grubosci
    number of trees
    stand volume
    species composition
    mortality
    regeneration
    Opis:
    In the natural stands of the lower−montane zone in the 'Łopuszna Valley' Reserve (Gorczański National Park) consisting of beech, fir and spruce, a specific phenomenon was observed, which in other natural forests of the Western Carpathians occurred only occasionally. In the years 1981−2011, along with the increase in the proportion of beech in stands and in regeneration, which is now common issue in the forests of Central Europe, an increase or stability in the proportion of fir in stands and an increase in the proportion of fir in the undergrowth was reported. At the same time, the number of spruces in stands clearly decreased, while in the regeneration they occurred sporadically. Reduction in the proportion of spruce leads to a change in the species composition of multi−species stands i.e. from stands with co−dominant beech, fir and spruce to stands with dominant beech or co−dominant beech and fir. In managed forests, it is necessary to maintain the prevalence of all tree species for their productivity, which requires the application of the best silvicultural practices (regeneration and tending).
    Źródło:
    Sylwan; 2013, 157, 03; 213-222
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stan wielogatunkowego lasu naturalnego (Abies, Fagus, Picea) regla dolnego w rezerwacie Oszast na tle monokultur świerkowych w Beskidzie Żywieckim i Beskidzie Śląskim
    A comparison of lower montane natural forest (Abies, Fagus, Picea) in Oszast Reserve and spruce monocultures in the Zywiecki Beskid and Slaski Beskid
    Autorzy:
    Jaworski, A.
    Pach, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1316186.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    lasy gorskie
    regiel dolny
    rezerwaty przyrody
    rezerwat Oszast
    las naturalny
    drzewostany wielogatunkowe
    sklad gatunkowy
    swierk pospolity
    Picea abies
    buk zwyczajny
    Fagus sylvatica
    jodla pospolita
    Abies alba
    klon jawor
    Acer pseudoplatanus
    jarzab pospolity
    Sorbus aucuparia
    zmiany skladu gatunkowego
    zasobnosc drzewostanu
    struktura drzewostanu
    rozklad piersnic
    smiertelnosc
    odnowienia lasu
    stand volume
    dbh distribution
    mortality
    regeneration
    Opis:
    The aim of this research was to find out what changes occurred between 1999-2009 in Oszast reserve in the volume, species composition and diameter at breast height (dbh) distribution of the forest stand, and the number and height of regeneration. The objective was to determine what would be condition of these managed lower montane multispecies forest stands (Swiss irregular shelterwood method or selection cuttings) and what role spruce would play in them if they have not been replaced by spruce monocultures. The research was conducted on three permanent circular sample plots (s.p.), each had size of 1/3 ha. Over 10 years, standing volume of the forest stand increased on s.p. 1 (from around 562 m3 ha-1 to 649 m3 ha-1) and s.p. 3. (from 653 m3 ha-1 to 660 m3 ha-1), while decreased on s.p. 2. (from 421 m3 ha-1 to 378 m3 ha-1). The species composition, defined on the basis of volume share (averaged for the three s.p. jointly), did not undergo consistent changes. However, the relative dominance of beech over spruce was determined based on tree numbers. The average spruce mortality (averaged from three s.p.) did not exceed 10% and was slightly higher than that of beech (6%), and lower than fir mortality (15%). Nevertheless, spruce did not show any symptoms of dieback. The reasons behind its mortality were fallen trees and windbreaks. In regeneration, on the whole, beech or sycamore predominated, and the proportion of spruce and fir was small. In the future spruce and fir may even decrease further by competitive ability of dynamically regenerating beech. Abandonment of forest management to promote greater diversity of species, may favour the formation of beech monocultures, or forest stands dominated by beech, everywhere that beech is already present or will be introduced. The maintenance of stable, multispecies forest stands, with co-dominant fir, beech and spruce of native origin, requires natural or artificial regeneration of spruce and fir, manipulated to restore fir up to about 30%, and reduce spruce down to about 40%. This would be possible through the use of the Swiss irregular shelterwood method and selection system, and by continuous tending of regeneration.
    Źródło:
    Leśne Prace Badawcze; 2014, 75, 1; 13-23
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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