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    Wyświetlanie 1-6 z 6
    Tytuł:
    Forest communities with European silver-fir (Abies alba Mill.) in the Sudety Mts.
    Autorzy:
    Filipiak, M
    Kosinski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/41529.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    ecology
    phytosociology
    European silver fir
    Abies alba
    Polska
    silver fir
    forest community
    distribution
    Sudetes Mountains
    Opis:
    The available phytosociological literature were reviewed and compared with 12 original relevés made on representative of habitats of fir trees in the study area. Only in the eastern part of the Sudety Mts. silver-fir is still important forest tree. It is found most frequently in potential sites of acidophilic beech forest, which vegetation is now strongly transformed because of planting them with spruce. Typical, mainly acidophilic beech forest takes second place (in respect of frequent occurrence). Oak-hornbeam forest take third position.
    Źródło:
    Dendrobiology; 2002, 48
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Age structure of natural regeneration of European silver-fir (Abies alba Mill.) in the Sudety Mts.
    Autorzy:
    Filipiak, M
    Powiązania:
    https://bibliotekanauki.pl/articles/41780.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    ecology
    European silver fir
    environmental factor
    Abies alba
    silver fir
    tree
    age structure
    site condition
    regeneration
    Sudetes Mountains
    Opis:
    In this paper, is presented data on the abundance and age structure of natural regeneration of silver fir in permanent plots in Sudety Mts. In the studied plots the abundance of fir seedlings is usually markedly lower than in the well-regenerating Carpathian forest stands. The major reason for this is the lower contribution of fir trees to forest stands in the Sudety Mts. as compared with the Carpathians. In most plots the process of regeneration is long and extended over many years. Largest numbers of seedlings developed in years of good fir cone crops. An important role in the process of natural regeneration of Abies alba in the Sudety Mts. are played by type of site, kind of humus and herb layer density. Most of the studied forest stands in the Sudety are not dense, so the herb layer is well-developed, that strongly restrain fir regeneration especially in fartile soils.
    Źródło:
    Dendrobiology; 2002, 48
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Regeneration of the European silver fir (Abies alba Mill.) in the Sudety Mountains on soils with different physico-chemical properties
    Autorzy:
    Filipiak, M
    Komisarek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41722.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    European silver fir
    Abies alba
    regeneration
    Sudetes Mountains
    silviculture
    soil property
    chemical property
    soil pollution
    industrial pollution
    Opis:
    The purpose of this study was to determine the basic physico-chemical properties of soil in silver fir stands with different stage of natural regeneration. The investigations were carried out in south-west part of Poland – in the Sudety Mountains. From 854 silver fir stands, 40 testing sites, varying in terms of habitat conditions and degree of natural regeneration, were selected. Soil samples were collected from litter (organic horizon – O) with a thickness of 7–15 cm and from mineral A horizon lying up to 20 cm below the organic horizon and were then analysed for pH, EC, C org., total N, exchangeable cations (Ca, Mg, K, Na, H and Al), soluble Mn, Fe, Zn and Pb as well as particle size distribution (samples from A horizon). The analysed soil samples are characterized by very high acidity and low content of bases. According to the performed statistical tests, none of the factors analysed within the samples tested has a significant impact on the natural regeneration of silver fir. The only dependence between potassium content in soil and the regeneration of silver fir in the Sudety Mountains is close to statistically significance.
    Źródło:
    Dendrobiology; 2005, 53; 17-25
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of the natural resources of European silver fir (Abies alba Mill.) in the Polish Sudety Mts.
    Autorzy:
    Filipiak, M
    Barzdajn, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/41000.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Sudetes Mountains
    Polska
    natural resource
    European silver fir
    Abies alba
    locality number
    tree number
    distribution
    restitution
    protection strategy
    Opis:
    Data from floristic publications, forest management records, comprehensive questionnaires and original field research were used to assess the silver fir resources in the Sudety Mts. Fir trees older than 50 years were recorded in over 2000 localities but the mean number of individuals per locality was only about 15. The generally low number of fir trees and their considerable dispersion are the major causes of the poor reproduction of the studied species in the Sudety Mts. In that region, silver fir should receive special treatment and, if possible, excluded from logging plans. Current and projected activities concerned with fir protection are described briefly.
    Źródło:
    Dendrobiology; 2004, 51; 19-24
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes of Abies alba crown state and stand quality class in the Sudety Mountains
    Autorzy:
    Filipiak, M
    Powiązania:
    https://bibliotekanauki.pl/articles/41245.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Sudetes Mountains
    fir
    Abies alba
    forest decline
    stand quality class
    industrial pollution
    environment pollution
    acid fog
    plant regeneration
    air pollution
    Opis:
    Sudeteny Mts. are a region where the level of industrial air pollution was very high due to brown coal combustion. In this paper I presents the assessments concerning the fir stand quality class and crown vitality.The study were carried out between 1999 and 2001 and supplemented with studies made in 1997 and 2005. My conclusions are based on measurements of 3529 fir trees representing 481 populations of this species in different parts of the Sudety Mts. The stand quality class of the fir in the Sudety Mts. are better than expected but about 0,5 degree lower than in the Carpathians. Our results confirm the reports concerning the strong and very strong damage of fir crowns in the Sudety Mts. in the 1990’s. It was calculated that the average fir in the Sudety Mts. stands has a primary crown with a length that is approximately 19% of the total tree height and which is damaged in approximately 36%. At approximately 23% of the total height the average fir develops a regeneration crown. An additional factor which contributed to fir damage was their frequent presence in thinned stands. In these places the process of crown reconstruction from a wide to a denser is observed. In the recent years the level of industrial pollution in the Sudety Mts. has been strongly reduced. This particularly concerns sulphur oxides. This has contributed to the improvement of the crown health of the studied species, but the crown regeneration is slower than the trunk diameter increment. The crown damages have so far been proportional to the altitude. Trees which grow in stands located in lower areas have healthier crowns. Trees which grow in broken canopy and on hilltops are more vulnerable to the impact of pollution carried by wind and fog. The severe damage to the top parts of the crown has a negative effect on the cone crop of the fir.
    Źródło:
    Dendrobiology; 2005, 54; 11-17
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of canopy density on the defoliation of the European silver fir (Abies alba Mill.) due to heavy industrial pollution
    Autorzy:
    Filipiak, M
    Napierala-Filipiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41603.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    silver fir
    European silver fir
    Abies alba
    canopy density
    defoliation
    air pollution
    industrial pollution
    crown defoliation
    crown regeneration
    ecology
    heavy industrial pollution
    environment protection
    Opis:
    Until recently, the level of industrial air pollution in the Sudetes (a mountain range extending on the Czech Republic and Poland border) was very high.This caused a large-scale forest decline, especially in the western part of the Polish Sudetes: in the Izerskie and Karkonosze Mts. An analysis of data on fir defoliation in that area, collected directly after the period of heavy industrial pollution, showed a clear dependence of the degree of defoliation of the primary crown on canopy density: the lower the density, the higher the degree of defoliation.
    Źródło:
    Dendrobiology; 2009, 62; 17-22
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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