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    Wyświetlanie 1-4 z 4
    Tytuł:
    Plant communities with Pinus mugo [alliance Pinion mugo] in the subalpine belt of the Western Carpathians - a numerical approach
    Autorzy:
    Sibik, J
    Valachovic, M.
    Kliment, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/59318.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    ordination
    syntaxonomy
    Carpathians Mountains
    dwarf mountain pine stand
    numerical classification
    Pinus mugo
    Opis:
    A syntaxonomical revision of plant communities with dominant Pinus mugo in the Western Carpathians is presented. The data set of 341 relevés was examined and analysed using the detrended correspondence analysis and the cluster analysis. Major gradients and clusters were interpreted using Ellenberg’s indicator values. The major gradient in species composition was associated with available nutrients and moisture. The authors suggest distinguishing the dwarf pine stands of the supramontanous and subalpine belts of the Western Carpathians referred to the alliance Pinion mugo Pawłowski in Pawłowski et al. 1928 of the order Junipero-Pinetalia mugo Boşcaiu 1971 and the class Roso pendulinae-Pinetea mugo Theurillat in Theurillat et al. 1995, into three separate associations: the Cetrario-Pinetum mugo Hadač 1956, the Homogyno alpinae-Pinetum mugo (Sillinger 1933) nom. nov., and the Adenostylo alliariae-Pinetum mugo (Sillinger 1933) Šoltésová 1974. The authors also elucidated the unauthorized name of the association Vaccinio myrtilli-Pinetum mugo Hadač 1956, which is a younger homonym of the valid name of the association Vaccinio myrtilli-Pinetum montanae Morton 1927 that characterises the acidophilous dwarf pine stands on calcareous bedrocks in the Alps.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2005, 74, 4
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic differences between two Polish populations of Pinus uliginosa, compared to P. sylvestris and P. mugo
    Autorzy:
    Lewandowski, A
    Samocko, J.
    Boratynska, K.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41457.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    pine
    genetic distance
    Pinus sylvestris
    Pinaceae
    electrophoresis
    peat bog pine
    allozyme
    Pinus uliginosa
    Pinus mugo
    genetic differentiation
    Opis:
    Genetic differences between two populations of P. uliginosa from Batorów and Węgliniec were assessed on the basis of 15 allozyme loci. The level of genetic differentiation between them was also compared with genetic differences among the three closely related pine taxa: P. uliginosa, P. sylvestris and P. mugo. A high level of genetic variation was found in both populations of P. uliginosa. The average (Na) and effective (Ne) numbers of alleles per locus amounted respectively to 2.47 and 1.50 in Węgliniec and to 2.67 and 1.52 in Batorów and the percentage of polymorphic loci was 80% and 87%, respectively. Close relationship between the three studied species were confirmed. The genetic differences between the two populations of P. uliginosa were substantial, as the Nei's genetic distance between the two populations (D = 0.040) was larger than between populations of P. sylvestris and between populations of P. mugo. The relatively high level of genetic differentiation between P. uliginosa populations may result from their isolation, small size and possibly different origin of these populations.
    Źródło:
    Dendrobiology; 2002, 48
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geographic patterns of genetic diversity of Pinus mugo (Pinaceae) in Central European mountains
    Autorzy:
    Dzialuk, A.
    Boratynski, A.
    Boratynska, K.
    Burczyk, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/41575.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    geographic pattern
    genetic diversity
    Pinus mugo
    Pinaceae
    Alps Mountains
    Carpathians Mountains
    dwarf mountain pine
    phylogeography
    chloroplast
    microsatellite
    Giant Mountains
    geographic distribution
    Opis:
    The genetic diversity within and among twelve populations (379 individuals) of Pinus mugo from the Giant Mts., Carpathians and Alps was analyzed using ten chloroplast microsatellite markers. A stepwise mutation model (SMM) for microsatellite loci was used in order to estimate divergence between populations and provenances from three mountain ranges. High levels of genetic diversity and significant differentiation were found among the three population groups. The populations from Giant Mts., Carpathians and Alps were strongly differentiated between each other, while differences among populations within these massifs were much lower. The pattern of genetic structure observedin dwarf mountain pine can be characteristic in conifers with a disjunctive geographic distribution. The significant genetic structuring among isolated parts of the geographic range of the species may be a result of an ancient fragmentation andlong lasting geographic isolation between the Giant Mts., Alpine and Tatra populations of P. mugo.
    Źródło:
    Dendrobiology; 2012, 68
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geographic distribution of quantitative traits variation and genetic variability in natural populations of Pinus mugo in Central Europe
    Autorzy:
    Boratynska, K.
    Dzialuk, A.
    Lewandowski, A.
    Marcysiak, K.
    Jasinska, A.K.
    Sobierajska, K.
    Tomaszewski, D.
    Burczyk, J.
    Boratynski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41495.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    geographic distribution
    quantitative trait
    variation
    genetic variability
    genetic diversity
    isoenzyme
    natural population
    Pinus mugo
    phenotypic diversity
    chloroplast
    microsatellite
    Central Europe
    Europe
    Opis:
    Divergence in genetic as well as phenotypic structures can be expected in species with disjunctive geographic ranges and restricted gene flow among isolated populations. Dwarf mountain pine has such a disjunctive geographic range in the mountains of Central Europe. We hypothesised that populations of Pinus mugo from the Giant Mts. differ from Alpine and Carpathian populations to a greater extent than differentiation within these regions; furthermore, these differences would be detectable at both the genetic and phenotypic levels. To verify this hypothesis, the diversity and differentiation within and among eleven populations from the Giant Mts., Carpathians and Alps were analysed using 19 isozyme isozyme loci, 17 needle and 15 cone morphological characters. Moreover, the data on 10 chloroplast microsatellites used in the previous study, were reanalysed. The differences between the three regions were greater than among populations within them. The microsatellites and isozymes clearly differentiated between regions, while in the multivariate analyses of cone and needle characters the Alpine and Carpathian populations were intermingled but distinct from those sampled in the Giant Mts. The significant genetic structuring among regions may result from an ancient fragmentation and long lasting geographic isolation between the Giant Mts., Alps and Tatras. The populations from the Giant Mts., the northernmost within the geographic range of P. mugo, presented lower level of genetic variation then those from the Alps and Carpathians. The pattern of genetic structure observed in dwarf mountain pine may be characteristic of wind-pollinated trees with a disjunctive geographic distribution
    Źródło:
    Dendrobiology; 2014, 72
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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