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    Wyświetlanie 1-4 z 4
    Tytuł:
    Odnowienie naturalne dębu w Leśnym Kompleksie Promocyjnym "Puszcza Białowieska" - stan, warunki i perspektywy
    Autorzy:
    Paluch, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022909.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesne kompleksy promocyjne
    Quercus
    lesnictwo
    dab
    odnowienia naturalne
    Puszcza Bialowieska
    drzewa lesne
    oak
    natural regeneration
    białowieża primeval forest
    hornbeam expansion
    Opis:
    The paper presents the state and conditions of oak natural regeneration in the „Białowieża Primeval Forest” Promotional Forest Complex. It has been stated that under natural conditions oak appears in all forest types but it infrequently grows into a stand. With the recent expansion of hornbeam, it is difficult for oak effectively to regenerate. It has been confirmed in this study that the shelterwood cutting system (leaving some trees to dye naturally) is the most efficient method of natural regeneration of oak in the Białowieża stands.
    Źródło:
    Sylwan; 2005, 149, 01; 30-41
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rodowa uprawa zachowawcza jodły pospolitej z rezerwatu "Tisovik" w Puszczy Białowieskiej
    The ancestral conservative tillage of silver fir in the "Tisovik" reserve of the Bialowieza Primeval Forest
    Autorzy:
    Korczyk, A.F.
    Powiązania:
    https://bibliotekanauki.pl/articles/1311134.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    Bialorus
    rezerwat Tisovik
    drzewa lesne
    jodla pospolita
    Abies alba
    uprawa zachowawcza
    Puszcza Bialowieska
    Polska
    uprawy rodowe
    wartosc hodowlana
    Abies alba Mill.
    progeny test
    Białowieża Primeval Forest
    Polska
    Opis:
    The ‘Tisovik’reserve, located in the Belarusian part of the Białowieża Forest, holds an isolated relic stand of silver fir, situated 120 km to the north-east of the main forest. In order to preserve this relic fir stand, a ancestral conservative tillage consisting of the Jd 92 trial (plot I) and the Jd 94 trial (plots II and III) was established between 1992 and 1994 in the Polish part of the Białowieża Forest on the territory of the Hajnówka Forest District. The growth and development of the progeny of 20 firs were characterized by means of long-term observations made in these trials. In 2000 (at the age of 18), the firs in the Jd 92 trial (plot I) reached an average height of 394.86 cm with a mean diameter at breast height of 42.42 mm and the average rate of survival amounted to 75%. In the Jd 94 trial, the rate of fir survival on plot II was 70% (at the age of 15) with an average height of 277.08 cm and a diameter at breast height of 36.62 mm, while on plot III only 50 trees with an average height of 198.6 cm and a diameter at breast height of 24.49 mm survived. The results of this study show that the fir progeny in the ‘Tisovik’ reserve is of high breeding value. Therefore, the silver fir seed stock of the ‘Tisovik’ reserve is suitable for the establishment of new plantations in the Polish part of the Białowieża Forest and the Mazury-Podlasie Region.
    Źródło:
    Leśne Prace Badawcze; 2015, 76, 2; 153-167
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Profil genetyczny najstarszych drzew Picea abies (L.) Karst. w Puszczy Białowieskiej
    Genetic profile of the oldest Picea abies (L.) Karst. trees in the Białowieza Primeval Forest
    Autorzy:
    Wojnicka-Półtorak, A.
    Celiński, K.
    Chudzińska, E.
    Prus-Głowacki, W.
    Korczyk, A.F.
    Powiązania:
    https://bibliotekanauki.pl/articles/991114.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    drzewa lesne
    swierk pospolity
    Picea abies
    drzewa stare
    struktura genetyczna
    populacje roslin
    profil genetyczny
    markery izoenzymatyczne
    genetic structure
    picea abies
    isoenzymatic markers
    białowieża primeval forest
    Opis:
    The aim of this study was to: 1) describe the genetic structure of the population of old Picea abies trees in the Białowieża Primeval Forest and 2) design the genetic database for every examined tree in scope of 26 isoenzymatic loci containing: the genotype pattern, the number of stated alleles and the level of individual heterozygosity. We found that 101 out of 117 trees are characterized by a unique genotype pattern and 20 ones are completely homozygous individuals. The oldest Norway spruces in the Białowieża Primeval Forest are characterized by rather low level of genetic variation and their homozygous genotypes that are well adapted to their environment let them live to a ripe old age.
    Źródło:
    Sylwan; 2014, 158, 05; 370-376
    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
      Wyświetlanie 1-4 z 4

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