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Wyszukujesz frazę "Lasota, E." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Wartość siedliskotwórcza leśnych gleb niecałkowitych
    Site creating value of forest soil with lithological discontinuities
    Autorzy:
    Lasota, J.
    Blońska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/991134.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gleboznawstwo lesne
    gleby lesne
    gleby niecalkowite
    wlasciwosci siedliskotworcze
    siedliska lesne
    lithological discontinuities
    forest sites
    soil fertility
    Opis:
    The aim of this study was to determine the site−creating value of forest soil with lithological discontinuities. The second aim was to describe an influence of lithological discontinuities on the soil properties and forest communities. Tested soils were grouped according to the ability to create forest sites. The presence of discontinuities has influence on the development of the forest communities, floristic abundance and forest stand quality which is expressed by site index.
    Źródło:
    Sylwan; 2014, 158, 01; 10-17
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zapas i struktura martwego drewna oraz jego znaczenie w akumulacji węgla na siedliskach lasu wilgotnego oraz olsu jesionowego
    Stock and structure of deadwood and its importance in carbon accumulation on wet broadleaved forest and riparian alder forest sites
    Autorzy:
    Blońska, E.
    Lasota, J.
    Piaszczyk, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/979629.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    siedliska lesne
    siedlisko lasu wilgotnego
    siedlisko olsu jesionowego
    drewno martwe
    zapas drewna
    struktura drewna
    akumulacja wegla
    decay classes
    deadwood
    riparian alder forest
    site condition
    wet broadleaved forest
    Opis:
    The main aim of study was to present the stock and structure of deadwood in different site conditions. In total. sixteen study plots were established on wet broadleaved forest (Lw) and riparianalder forest (OlJ) sites. The objective was to determine the carbon accumulation in lying dead trees. The investigation was performed in the Czarna Rózga reserve in Central Poland (50°5937N; 20°015E). All live and dead trees were measured on each plot. The species of both live and dead trees were identified as well, and the decay class of the dead trees was assessed. Additionally, samples of different species wood from lying logs in five decay classes were taken for carbon content determination. The study was carried out in the spring of 2017. The average stock of deadwood in the Czarna Rózga reserve on the wet broadleaved forest site amounted to 47 m3/ha, while on the riparian alder forest site it equaled 52 m3/ha. The high stock of deadwood can be explained by the slowdown of decay processes by humidity and anaerobic conditions. Ash was the dominant species in the deadwood pool. Regardless of the site conditions (Lw or OlJ), the stock of ash deadwood was several times higher than the stock of live trees this species. The greater carbon stock in lying dead trees was recorded in riparian alder forest.
    Źródło:
    Sylwan; 2019, 163, 02; 141-149
    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
    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:
    Wpływ skały macierzystej na przestrzenne zróżnicowanie zasobów węgla organicznego w glebach leśnych
    Influence of parent material on the spatial distribution of organic carbon stock in the forest soils
    Autorzy:
    Gruba, P.
    Socha, J.
    Blońska, E.
    Lasota, J.
    Suchanek, A.
    Gołąb, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/990992.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gleboznawstwo lesne
    gleby lesne
    wegiel organiczny
    zroznicowanie przestrzenne
    drzewostany
    sklad gatunkowy
    uziarnienie gleby
    skaly macierzyste
    carbon sequestration
    spatial variability
    species composition
    soil properties
    Opis:
    The study focused on the influence of several soil properties and forest species composition on spatial distribution of organic carbon stock in soils developed from the contrasted parent materials: Tertiary claystones and sandstones, and Qurternary sands of different origins. Soil sampling was performed on 110 plots, while forest mensuration was conducted on 82 ones. The content of <0.05 mm fraction determined by the type of parent material played a key role in the distribution of carbon stock in soils. Higher content of fine fraction favoured the accumulation in mineral part of soil, while higher sand content had an indirect influence on accumulation of carbon in the organic horizon. Forest species composition and biomass volume are more important for C accumulation in the O horizons. Taking into account the geological heterogeneity, the size of investigation area played a prominent role for the statistical significance of the observed correlations between carbon stocks and the other soil properties.
    Źródło:
    Sylwan; 2014, 158, 06; 443-452
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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