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    Wyświetlanie 1-4 z 4
    Tytuł:
    Quality of Japanese larch stands in Poland
    Autorzy:
    Filipiak, M
    Pilarek, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/41203.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    forest productivity
    forestry
    stand
    Larix kaempferi
    Polska
    acclimation
    Japanese larch
    Opis:
    The quality of 39 Japanese larch stands, mainly in north-western Poland, was characterized. On the basis of the presented results it can be concluded that properly managed forest stands of Japanese larch can compete in trees quality with stands of native larches. The alien species is more susceptible to a lower stand density and exposure to strong winds. This is no correlation between forest stand quality and growth dynamics.
    Źródło:
    Dendrobiology; 2003, 49
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Relation between the height of Larix kaempferi and some climatic characteristics in Poland
    Autorzy:
    Filipiak, M
    Napierala-Filipiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41673.pdf
    Data publikacji:
    2008
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Polska
    climate
    temperature precipitation
    acclimation
    Japanese larch
    Larix kaempferi
    exotic species
    woodland
    climatic zone
    height
    larch stand
    Opis:
    Japanese larch (Larix kaempferi Sarg.) is one of the most frequent exotic species in Polish woodlands. The basic object of research comprised 60 stands of the studied species, located mainly in the northern and western parts of Poland. The growth results for the studied species, evaluated on the basis of the average height (hg55), were compared with data describing the local climate and the stand location within the botanical and climatic zoning. The results confirm the opinion that the Japanese larch prefers a climate of maritime character and generally shows high degree of flexibility regarding its climatic requirements (very large differences between the growth conditions in the studied area and the country of origin). The dependence between the growth results and precipitation is however lower than expected. The most interesting results include the relatively clear connection between the height of the larch stands and the Degórski’s (1984) ‘floristic’ ‘K’ (continentality) index.
    Źródło:
    Dendrobiology; 2008, 60; 11-17
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acer truncatum seedlings are more plastic than Quercus variabilis seedlings in response to different light regimes
    Autorzy:
    Guo, X.
    Wang, R.-Q.
    Wang, C.D.
    Xu, F.
    Zhao, S.
    Guo, W.-H.
    Powiązania:
    https://bibliotekanauki.pl/articles/41339.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Acer truncatum
    seedling
    Quercus variabilis
    Chinese cork oak
    plant response
    light regime
    irradiance acclimation
    chlorophyll fluorescence
    morphology
    photoinhibition
    Opis:
    In this study, we investigated responses of the mid-successional species Acer truncatum Bunge and the late-successional species Quercus variabilis Blume to three solar illumination conditions: (1) constant low light (CL), (2) constant high light (CH) and (3) low light first and high light afterwards (LH). The last treatment was to simulate a canopy opening. Both species exhibited increases in biomass, totally and in part, and decreases in leaf water content, specific leaf area and chlorophyll concentrations in LH treatment compared to CL treatment. For A. truncatum, exposure to high light condition (LH) increased crown area, and decreased root to shoot ratio, stem mass ratio and leaf perimeter. However, for Q. variabilis, LH treatment increased stem diameter at ground height, effective quantum yield, photochemical quenching and decreased maximum photosystem II quantum yield. The biomass allocation pattern did not change in Q. variabilis among three light conditions. With respect to newly developed leaves, no significant differences were found in leaf size of Q. variabilis between LH treatment and CH treatment while that of A. truncatum decreased in LH treatment. All chlorophyll fluorescence parameters in newly developed oak leaves in LH treatment increased compared to those of CH treatment while no difference was found for A. truncatum between LH and CH treatment. A. truncatum displayed a greater overall plasticity than Q. variabilis although the oak seedlings have a greater plasticity with respect to chlorophyll concentration and chlorophyll fluorescence parameters. A. truncatum should be a better candidate for vegetation recovery, especially in places with heterogeneous light conditions.
    Źródło:
    Dendrobiology; 2016, 76
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Acclimation of acacia hybrid (Acacia mangium x Acacia auriculiformis) vegetative propagules to soil water deficits
    Autorzy:
    Alamgir, Kabir M
    Rafiqul Hoque, A.T.M.
    Kamaluddin, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41229.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    acacia
    acacia hybrid
    Acacia mangium x Acacia auriculiformis
    acclimation
    soil water deficit
    rooted cutting
    biomass
    leaf area
    specific leaf area
    water deficit
    soil moisture
    Bangladesh
    Opis:
    The aim of the present work was to investigate the acclimation potential of acacia hybrid (Acacia mangium Willd×Acacia auriculiformis A.Cunn.ex Benth)vegetative propagules to soil water stress in the nursery of Institute of Forestry and Environmental Sciences, Chittagong University. Acacia hybrid showed significant decrease in total plant biomass in two months water-stressed conditions. Allocation of assimilates to root growth relative to shoot found to be an important acclimation mechanism. Leaf area ratio (LAR)increased under water-stressed plants with simultaneous increase in specific leaf area (SLA)but almost no change in leaf weight ratio (LWR). Significant increase in LAR with limited water supply by increasing SLA was likely to be an important acclimation potential since this relative increase in leaf area compensated, at least partially, for a lower photosynthesis under water-stressed conditions aswas evident from decreased mean total biomass under water-stressed regimes.
    Źródło:
    Dendrobiology; 2006, 56; 37-43
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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