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    Wyświetlanie 1-5 z 5
    Tytuł:
    Historia lasów zlewni Potoku Dupniańskiego w Beskidzie Śląskim
    Autorzy:
    Małek, S.
    Gawęda, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022937.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    Beskid Slaski
    historia
    zlewnia Potoku Dupnianskiego
    stosunki wodne
    drzewostany swierkowe
    lasy gorskie
    lesnictwo
    stand history
    forest catchments
    mountain spring catchments
    Opis:
    Since 1997, the experimental Potok Dupniański catchment in the Beskid Śląski Mountains (Wisła Forest District) has been an area subjected to intensive hydrological and hydrogeochemical research aimed at improving knowledge about the ecological growth conditions of one of the most valuable Norway spruce (Picea abies (L.) Karsten) ecotype – the Istebna spruce. Environmental conditions and comparison with the stands growing in similar environments in the 18th and 19th century in the Beskid Żywiecki region, as well as historical sources have shown that Istebna spruce is not a native provenance. Thus, the analysis of the state of forest management in the past times appears an important contribution to the above−mentioned earlier research. An increase in forest resources mainly resulting from the higher share of stands in older age classes and a decline in species diversity is a characteristic feature of the studied area. It is believed that the growing share of fir and beech in forest plantations as a consequence of underplanting would improve this situation.
    Źródło:
    Sylwan; 2005, 149, 09; 51-58
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Charakterystyka chemiczna wód powierzchniowych zlewni Potok Dupniański w Beskidzie Śląskim
    Characterisation of surface water chemistry in the Potok Dupnianski catchment in Beskid Slaski
    Autorzy:
    Małek, S.
    Gawęda, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1019300.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wlasciwosci chemiczne
    Beskid Slaski
    zlewnia Potoku Dupnianskiego
    lasy gorskie
    wody powierzchniowe
    lesnictwo
    surface water chemistry
    forest catchment
    afforested catchment
    beskid śląski mountains
    Opis:
    This paper is a review of the studies attempting, among others, to provide answer to the question if the variation in surface water chemistry in a small afforested mountain catchment depends on site characteristics from which soil samples are collected. The characteristics considered in the paper included: setting such as elevation a.s.l., slope, soil, and surrounding stand – age, species composition, etc. The assumed variation was ascertained and described in the framework of distinguished five areas termed micro−catchments (or partial catchments). This paper also contains a brief description of the research method, results and conclusions which could be formulated as a result of the discussion and indepth analysis of obtained results.
    Źródło:
    Sylwan; 2006, 150, 02; 29-36
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wylesień na krótkoterminowe zmiany składu chemicznego wody w zlewni Potoku Malinowskiego (Beskid Śląski)
    Influence of deforestation on short-term changes in the chemical composition of water in the Malinowski Stream catchment (southern Poland)
    Autorzy:
    Kosmowska, A.
    Żelazny, M.
    Małek, S.
    Siwek, J.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/989906.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gory
    Beskid Slaski
    wylesienia
    zlewnia Potoku Malinowskiego
    wody plynace
    sklad chemiczny
    zmiany skladu chemicznego
    streamwater chemistry
    sulfur
    nitrogen
    flood events
    deforestation
    Opis:
    The aim of the study was to determine the effect of deforestation caused by environmental pollution on the chemical composition of stream waters draining the small catchments located in the Skrzyczne massif (Beskid Śląski, southern Poland). In the 1950−60s this area was subjected to heavy anthropogenic pressure with excessive deposition of sulfur and nitrogen compounds. It resulted in the damage to the stands and deforestation of the ridge fragments of the studied area. The study was conducted in the catchment of the Malinowski Stream and its two subcatchments: forested and deforested in 2013. Waters of the studied streams characterized by low conductivity and mineralization. In the ridge subcatchments they were slightly acidic and in the main catchment – slightly alkaline. In all catchments anions were predominated by sulfates – with the largest in the deforested catchment (31% mval/L). Also nitrates had very large share in the structure of the chemical composition of water, particularly in the forested catchment (15% mval/L). Interestingly, there were low levels of bicarbonates, particularly in the ridge catchments, with their share lower than sulfates and nitrates. Cations in all streams were predominated by calcium. The structure of the chemical composition of water of the Malinowski Stream, expressed by the average share of individual ions was as follows: SO4−HCO3−NO3−Cl−F−Ca−Na−Mg−K−NH4, and in the case of streams draining small ridge catchments: – SO4−NO3−HCO3−Cl−F−Ca−Na−Mg−K−NH4. Conductivity of water decreased together with increased water levels in streams during floods. In the deforested catchment this decrease was more evident. The reaction of nitrate concentration to the increase in water level was however different, as in the stream draining the forested catchment it decreased sharply, while in the deforested catchment it decreased slightly or remained at the similar level. In the dry periods the chemical composition of waters of the examined streams were subject to far less change than during the floods, with the changes of e.g. conductivity being much higher in the stream draining the forested catchment.
    Źródło:
    Sylwan; 2015, 159, 09; 778-790
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stawonogi uszkadzające drewno w badaniach poligonowych
    Variability of chemical features of upper horizons in forest soils on the example of Dupnianski stream catchment in the Beskid Slaski Mts.
    Autorzy:
    Zwydak, M.
    Małek, S.
    Jodłowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1013205.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    wlasciwosci chemiczne
    Beskid Slaski
    gleby lesne
    zlewnia Potoku Dupnianskiego
    poziom mineralny
    poziom organiczny
    drzewostany swierkowe
    lesnictwo
    poziom prochniczny gleby
    zmiennosc
    mountain soils
    norawy spruce stand
    chemical features
    variavility
    Opis:
    The objective of the study was to investigate variability of chemical features of upper horizons in forest soils as well as confirmation of collecting the mixed sample that is supposed to describe the soil conditions more effectively. The lowest variability (ca 10%) was observed for pH in H2O and KCl as well as C/N ratio. The highest coefficient of variance exceeded 100% (Ca content). For almost all analysed chemical parameters, the results obtained for mixed sample (average of 5 samples systematically distributed within the study area) are in ±1 standard deviation range from the average of 25 individual samples.
    Źródło:
    Sylwan; 2008, 152, 08; 66-72
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ wiatrołomu i degradacji drzewostanu na zróżnicowanie chemizmu wód w zlewni Potoku Kościeliskiego w obszarze Tatrzańskiego Parku Narodowego
    Effect of wind damage to tree stands on spatial differences in water chemistry in the Koscieliski Stream catchment in the Tatra National Park
    Autorzy:
    Żelazny, M.
    Siwek, J.P.
    Fidelus, J.
    Stańczyk, T.
    Siwek, J.
    Rutkowska, A.
    Kruk, P.
    Wolanin, A.
    Jelonkiewicz, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/987105.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    parki narodowe
    Tatrzanski Park Narodowy
    wiatrolomy
    degradacja drzewostanow
    wylesienia
    zlewnie rzek
    zlewnia Potoku Koscieliskiego
    wody odplywowe
    sklad chemiczny
    azotany
    zmiany skladu chemicznego
    water chemistry
    nitrate
    deforestation
    tatra national park
    Opis:
    The study focused on the effects of deforestation by heavy winds and tree stand damage produced by bark beetle invasion on water chemistry of mountainous catchment of Kościeliski Stream in the Tatra National Park (southern Poland). 200 samples of stream and spring water were collected in three series: in July, August and October 2015. Water samples obtained from areas characterized by tree stand damage caused by heavy winds were found to have much higher mean concentration of nitrate (15.44 mg/L) as well as a much higher overall mean nitrate content (3.44% mval/L) than samples obtained from non−deforested areas (3.26 mg/L and 0.78% mval/L). The increase in nitrate concentration and its share in overall water chemistry was high enough that the anion sequence for the deforested areas became altered from HCO3>SO4>NO3>Cl to HCO3>NO3> SO4>Cl. The mean change in water nitrate concentration in areas with tree stands damaged by the bark beetle was smaller (6.17 mg/L; 1.60% mval/L) than that for areas deforested by wind. The concentration of NO3 – in stream water in deforested areas varied more than that in stream water in non−deforested areas.
    Źródło:
    Sylwan; 2017, 161, 01; 27-33
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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