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    Tytuł:
    Ocena zdrowotności igieł sosny błotnej (Pinus × rhaetica) w Parku Narodowym Gór Stołowych
    Evaluation of the health status of peat-bog pine (Pinus × rhaetica) needles in Gory Stolowe National Park
    Autorzy:
    Patejuk, K.
    Pusz, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/986706.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    parki narodowe
    Park Narodowy Gor Stolowych
    Wielkie Torfowisko Batorowskie
    szkolki lesne
    szkolki zachowawcze
    drzewa lesne
    sosna blotna
    Pinus x rhaetica
    igly sosny
    ocena zdrowotnosci
    choroby aparatu asymilacyjnego
    peat−bog pine
    fungi
    góry stołowe national park
    Opis:
    Pinus × rhaetica is holoarctic species, which represents mixed morphological features from both P. uncinata and P. mugo. It is a typical species living in peat−bogs in highlands and it is endangered by drainage and the decline of its natural area. By now, the greatest population of peat−bog pine is living in the Wielkie Torfowisko Batorowskie peat−bog, but its health condition is alarming. In Poland P. × rhaetica is placed on the red list of plants and fungi as an endangered species, with a high risk of extinction in the wild. In order to preserve the genetic potential of the population, the national park has taken active protective measures, establishing a conservative nursery. The aim of this study was to determine the potential role of fungi growing on needles of peat−bog pine in health condition. The study was carried out in three conservative pine nurseries in the Góry Stołowe National Park (SW Poland). Needles and dead wood of peat−bog pine were collected in July 2016. Material was decontaminated in 1% surfactant solution of sodium hypochlorite. The next step was the liner of about 0.5 cm pieces of needles of 6 Petri dishes with solidified, acidified PDA medium (agar−potato glucose). The dominant microscopic fungi inhabiting needles are Lophodermium pinastri, isolated from all of the plots, and Truncatella hartigii, which was observed only on Wielkie Torfowisko Batorowskie peat−bog (tab. 1). A much greater diversity of species of fungi characterized that peat−bog (tab. 2).
    Źródło:
    Sylwan; 2017, 161, 10; 861-869
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zależność wybranych cech drzewostanów od położenia nad poziomem morza na przykładzie Parku Narodowego Gór Stołowych
    Dependence of selected stand characteristics on the elevation on the example of the Stolowe Mountains National Park
    Autorzy:
    Miścicki, S.
    Szneidrowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/989003.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    lasy gorskie
    Park Narodowy Gor Stolowych
    dynamika drzewostanu
    miazszosc drzew
    miazszosc drewna
    zasobnosc drzewostanu
    zageszczenie drzew
    przyrost miazszosci
    czynniki siedliska
    wysokosc nad poziomem morza
    current volume increment
    elevation zone
    forest renewal
    net changes in standing volume
    tree density
    Opis:
    The elevation is used to illustrate the differences in the structure and growth of mountain forests. The aim of the study was to determine (1) whether the characteristics used to describe the condition and structure of forest stands under protection status (volume of merchantable timber, tree density, total height of trees in the regeneration layer, volume of dead stems, current annual volume increment, volume of dead trees, periodic changes in standing volume) change at the same rate along with the elevation, and (2) whether in mountains without upper montane zone, the values of the selected characteristics of stands located in the highest elevation zone decrease at a low rate with elevation and are comparable to the stands at the same elevation in higher mountains ranges. The study was located at an elevation of 400−909 m a.s.l. in the Stołowe Mountains National Park (PNGS; SW Poland). We used data from the measurements performed in 2009 and 2014 on 358 permanent sample plots. Plots were assigned to one of five elevation zones of 100 m a.s.l. We assumed that the characteristic value decreased with the increase in the elevation, and that such change was the same for all stand characteristics. This hypothesis was verified using the ANOVA for the repeated samples. The calculations were based on standardized values of the characteristics measured on individual sample plots. The higher above sea level the plot was located, the greater share of spruce in the stand (fig. 1). The standing volume (fig. 2), trees density (fig. 3) and current annual volume increment (fig. 6) decreased with elevation, while the volume of dead stems (fig. 4) increased. The net changes in standing volume (fig. 8) were the smallest in the stands located at the lowest and at the highest zone (400−499 and 800−909 m a.s.l.). No significant relationship was found between the total height of trees in the regeneration layer (fig. 5) or the volume of dead trees in the period 2009−2014 (fig. 7) and the elevation. Individual characteristics differed in the rate of changes of their values with elevation (fig. 9). The structure of stands growing at the highest elevation was the most variable. These stands were rather a substitute for the upper montane zone forests. The rate of the observed decrease of the volume of merchantable timber, tree density and current volume increment in the stands of PNGS was higher than in other forests in the Polish mountains.
    Źródło:
    Sylwan; 2017, 161, 02; 131-141
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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