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    Wyświetlanie 1-6 z 6
    Tytuł:
    Rola uziarnienia gleb w ocenie jakości siedlisk górskich
    The use of particle size distribution of soils in estimating quality of mountain forest sites
    Autorzy:
    Lasota, J.
    Błońska, E.
    Zwydak, M.
    Wanic, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1312582.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    gleboznawstwo lesne
    siedliska lesne
    siedliska gorskie
    jakosc
    gleby lesne
    uziarnienie gleby
    forest soil
    particle size distribution
    mountain forest sites
    Opis:
    The physical and chemical properties of soil are the basic features that are used in the assessment of mountain sites. The aim of this study was to produce a simple key for classifying forest sites in mountain areas using soil particle size distribution. 200 plots (standard typological space) were selected for examination, most of which are typical of the Carpathians – being dominated by flysch rock. A few plots were located in the Sudety and Tatra Mountains, which have a different surface geology, mostly metamorphic rock and granite. The study proved that soil properties (reaction, base saturation, content of base cations, organic carbon and nitrogen) are helpful in distinguishing and assigning soils to particular site types. The particle size distribution of forest mountain sites separated into different categories in terms of productivity. These results can be used to improve the classification of forest mountain sites.
    Źródło:
    Leśne Prace Badawcze; 2014, 75, 3; 253-262
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Waloryzacja siedlisk obszarów górskich na podstawie Siedliskowego Indeksu Glebowego (SIGg)
    Evaluation of the mountain sites on the basis of soil trophic index (SIGg)
    Autorzy:
    Brożek, S.
    Lasota, J.
    Blońska, E.
    Wanic, T.
    Zwydak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/989710.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    tereny gorskie
    siedliska gorskie
    siedliska lesne
    waloryzacja
    Siedliskowy Indeks Glebowy
    site quality
    sigg
    mountain soils
    Opis:
    The correct assessment of the site conditions is the basis of the good management of forest areas. The aim of this study was to find a set of soil properties, which allow separating the diverse sites in terms of the soil productivity. We used 180 locations in the Carpathians and the Sudety Mountains for testing. The study plots were located in transects from the foothills to the top along the slopes, taking into account the variability of site conditions, geological substrate and exposition. The index was calculated on the basis of the content of <0.02 mm particles, the sum of exchangeable base cations, soil acidity and the ratio between total N content and organic C in the humus−mineral horizon. The soil trophic index for mountain areas (SIGg) that include the climatic factor was introduced. The factor is defined as the 650/altitude ratio for a given point above sea level. In the mountains, the content of <0.02 mm fraction, the sum of exchangeable base cations and soil acidity were determined in the column of 1 m² of the soil cross section and depth of 1 m (1 m³ of volume) due to the lower depth of the soil profile. The SIGg correctly separates soil of different productivity as the properties closely associated with the stable elements of the soil, expressing its production and properties, which reflect the current state of the soil environment, were used in the construction SIGg.
    Źródło:
    Sylwan; 2015, 159, 08; 684-692
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kierunki doskonalenia metod rozpoznawania siedlisk leśnych
    Improvement methods in forest site diagnosis techniques
    Autorzy:
    Brożek, S.
    Zwydak, M.
    Wanic, T.
    Gruba, P.
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1015942.pdf
    Data publikacji:
    2007
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    siedliska lesne
    gleby lesne
    wlasciwosci fizykochemiczne
    lesnictwo
    oznaczanie
    siedliskoznawstwo lesne
    forest site classification
    soil properties significance
    expert system
    discriminant analysis
    Opis:
    On 127 experimental plots were classified into different forest site types according to vegetational criteria, 16 main soil properties were analysed and their content in a 100 × 100 × 150 cm soil lump was calculated. The expert system and the linear discriminant analysis showed different soil properties and their groups enabling stronger or weaker division of the examined sites into forest site types. The content of 0.1−0.02 mm fraction, the content of <0.02 mm fraction, the concentration of H+ ions as pH reaction in H20 and the content of mobile N were pointed to as those which better distinguish coniferous forest (B) from mixed coniferous forest (BM), mixed coniferous forest from mixed broadleaved forest (LM) and mixed broadleaved forest from broadleaved forest (L). The other soil properties in the expert system showed a weaker strength in differentiating the examined sites into different forest site types according to vegetational criteria.
    Źródło:
    Sylwan; 2007, 151, 02; 26-34
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Akumulacja węgla organicznego w glebach różnych typów siedlisk leśnych
    Organic carbon accumulation in soil of different forest site types
    Autorzy:
    Zwydak, M.
    Błońska, E.
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/987114.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    siedliska lesne
    warunki siedliskowe
    gleby lesne
    wegiel organiczny
    akumulacja wegla
    zapas wegla w glebie
    soil organic matter
    carbon stock in soils
    forest soil properties
    type of forest site
    Opis:
    The objective of the paper was to estimate i) the carbon accumulation in soils of different forest site types as well as ii) its changes with regard to the depth of the soil profile. The investigation was carried out in the Przedbórz Forest District (central Poland) on 43 study plots, including different forest sites – fresh coniferous forest (Bśw), fresh mixed coniferous forest (BMśw), fresh mixed broadleaved forest (LMśw) and fresh broadleaved forest (Lśw). On each plot soil pits were dug and samples for laboratory analysis were collected. The following characteristics were determined in the soil samples: pH, the content of organic C and total N, particle−size distribution, the content of exchangeable Ca, Mg, Na and K, and hydrolityc acidity. The obtained results demonstrated that soils of Bśw, BMśw and LMśw sites characterized by higher carbon accumulation in surface horizon to 50 cm depth compared to the most eutrophic sites (Lśw). The rate of carbon accumu− lation in forest soils depend on the humus type which is connected with species composition of stands. Domination of Scots pine in stand affects the formation of ectohumus and leads to higher C accumulation in surface horizons on Bśw, BMśw and LMśw sites. In soils of Bśw, BMśw and LMśw sites carbon stored in the horizons to 50 cm constitutes 64−94% of the total carbon accu− mulated, while on the eutrophic sites (Lśw) this share amounts to 39−72%. The value of the total carbon stock in soils of fresh forest sites can be estimated on the basis of carbon stock in horizons to 50 cm depth.
    Źródło:
    Sylwan; 2017, 161, 01; 62-70
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zróżnicowanie warunków glebowo − siedliskowych podstawą bioróżnorodności Lasów Karpackich
    Variation in soil-and-site conditions - a basis of biodiversity of Carpathian forests
    Autorzy:
    Brozek, S.
    Sikorska, E.
    Zwydak, M.
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/972887.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    warunki siedliskowe
    siedliska lesne
    sklad gatunkowy
    Karpaty
    lasy gorskie
    roznorodnosc biologiczna
    warunki glebowe
    lesnictwo
    typy lasow
    forest type
    montane forest site type
    Carpathians
    Opis:
    The paper depicts the soil−and−site conditions of the Carpathian forests wherein forest site types and stand species biodiversity develop. Individual forest site types were described in conjunction with the location characteristics, soil properties and importance of admixture species.
    Źródło:
    Sylwan; 2006, 150, 04; 14-25
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Warunki glebowe świerczyny nawapiennej (Polysticho-Piceetum) w górnej części regla dolnego Tatr
    Soil conditions of spruce forest on limestone (Polysticho-Piceetum) in the upper part of the lower montane zone in the Tatra Mts.
    Autorzy:
    Lasota, J.
    Blońska, E.
    Zwydak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/989584.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    siedliska lesne
    Tatry
    regiel dolny
    swierczyna nawapienna
    zespol Polysticho-Piceetum
    warunki siedliskowe
    warunki glebowe
    gleby lesne
    uziarnienie gleby
    wlasciwosci fizykochemiczne
    wlasciwosci sorpcyjne
    forest sites
    soil properties
    norway spruce
    limestone
    Opis:
    The aim of this paper is to present the properties of soils and topography conditions of Norway spruce forests growing on the limestone (Polysticho−Piceetum) in the upper part of the lower montane zone. The study was conducted in the Tatra Mts. (southern Poland) on six study plots reflecting the living conditions of spruce forest on limestone. On each plot the topography conditions were described, soil pits were dug and samples for laboratory analysis were collected. The following characteristics were determined in the soil samples: pH, the content of C and N, particle size, the content of Ca, Mg, Na and K, exchangeable acidity, aluminum content and hydrolityc acidity. For each study plot the stand characteristics were measured (diameter at breast height and height). The Soil Trophic Index for mountain areas (SIGg) was calculated on the basis of <0.02 mm fraction content, the sum of exchangeable base cations, soil acidity and the total content of N and C organic in the humus−mineral horizon. Polysticho−Piceetum stands in the upper part of the lower zone between 1000 and 1200 m above sea level developed in the unique geomorphological and geological conditions. They covered very shallow weathered fragments of limestone or steep slopes with fine−grained scree of carbonate rocks. Rendzic Hyperskeletic Leptosols (Humic) and Calcaric Lithic Leptosol are soils typical for analysed spruce stands. Character of site was reflected in the SIGg values that ranged between 15 and 20. The moder−mull and tangel−mor humus type was found on the majority of the investigated plots. Low fertility of soil was confirmed by the site index of analysed stands (IVth and Vth class).
    Źródło:
    Sylwan; 2016, 160, 05; 407-415
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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