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

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Relacje pomiędzy aktywnością enzymatyczną a właściwościami gleb i sposobem użytkowania
    The relationship between soil properties, enzyme activity and land use
    Autorzy:
    Błońska, E.
    Lasota, J.
    Zwydak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1293541.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    gleby lesne
    uzytkowanie gleb
    wlasciwosci fizykochemiczne
    enzymy glebowe
    dehydrogenazy
    ureaza
    aktywnosc enzymatyczna
    forest soil
    dehydrogenase activity
    urease activity
    land use
    Opis:
    The aim of this study was to assess the effects of different types of land use (forest, tillage and pasture) on soil properties, especially enzymes activity. Our investigation was carried out on 53 research plots with 11 plots in broadleaved forest stands, 12 plots in mixed broadleaved stands, 10 plots in mixed coniferous stands, 9 plots on tillage and 11 plots on pasture. The soil samples were collected from a depth of 0–15 cm after removing the organic horizon. Contents of organic carbon and nitrogen, pH and soil texture were investigated. Furthermore, dehydrogenase and urease activity were determined. Significant differences in the enzyme activity between forest and agricultural soils were observed, thus demonstrating that enzyme activity is influenced by the organic matter content of the soil. The highest enzyme activity was recorded in the forest soil within broadleaved stands, whilst the lowest activity was found in tillage soil, because tillage soil contained significantly less organic matter. High enzymatic activity of pasture soils is the combined result of vegetation type and the lack of plowing.
    Źródło:
    Leśne Prace Badawcze; 2017, 78, 1
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wymagania troficzne wybranych gatunków krzewiastych występujących w lasach
    The trophic requirements of selected underwood species occurring in forests
    Autorzy:
    Lasota, J.
    Błońska, E.
    Wanic, T.
    Zwydak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1317349.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    krzewy lesne
    jarzab pospolity
    Sorbus aucuparia
    kruszyna pospolita
    Frangula alnus
    leszczyna pospolita
    Corylus avellana
    jalowiec pospolity
    Juniperus communis
    czeremcha zwyczajna
    Padus avium
    trzmielina zwyczajna
    Euonymus europaeus
    bez czarny
    Sambucus nigra
    wymagania glebowe
    preferencje siedliskowe
    forest shrubs
    soil requirements
    forest sites
    plant communities
    Opis:
    The subject of this study were soil requirements of common woody shrubs, which may be part of the forest understory (Sorbus aucuparia L., Frangula alnus Mill., Corylus avellana L., Juniperus communis L., Padus avium Mill., Euonymus europaea L., Sambucus nigra L.). We focused on phytocenoses in the vicinity of natural forests in reserves and national parks of Polish lowlands and defined optimal types and subtypes of soil with trophic variations for each underwood species. The range of trophism for each species of shrub was determined using specific physicochemical properties of the soils, while soil quality was assessed using the Soil Site Index (SIG) (Bro¿ek et al. 2011). The ecological requirements of the before-mentioned underwood species were linked with forest typology as well as natural vegetation and they showed different soil requirements. Here we report significant differences in particle size and dynamics of organic matter decomposition in soils associated with these underwood species.
    Źródło:
    Leśne Prace Badawcze; 2014, 75, 2; 181-191
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wybrane wskaźniki różnorodności biologicznej na tle cech utworów glebowych w wyżynnym borze jodłowym Abietetum albae
    Biodiversity indexes in relation to soil properties in upland fir forests (Abietetum albae)
    Autorzy:
    Lasota, J.
    Wiecheć, M.
    Błońska, E.
    Brożek, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1292427.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    lesnictwo
    siedliska lesne
    wyzynny jodlowy bor mieszany
    roznorodnosc biologiczna
    wskazniki roznorodnosci
    czynniki siedliska
    gleby lesne
    wlasciwosci chemiczne
    wlasciwosci fizyczne
    forest sites
    biodiversity indexes
    soil properties
    Abietetum albae
    Opis:
    The aim of this study was to present the relationship between soil properties and biodiversity indexes in upland fir (Abies alba) forest associations (Abietetum albae). Our study was conducted in six areas representing the growth conditions of upland fir forests and the research plots were located in the Roztoczański and Świętokrzyski National Parks as well as Przedbórz, Radomsko, Piotrków and Janów Lubelski Forest District. On every plot, the topography was described, soil cores were examined and samples for laboratory analysis were taken. The following characteristics were determined for the soil samples: pH, C, N, Ca, Mg, Na and K content, particle size, exchangeable acidity, aluminum content and hydrolytic acidity. Additionally, enzyme activity in the soil samples (urease and dehydrogenase) was measured. In each test area, the stand characteristics were measured (diameter at breast height and height) floristic characteristics were described and the biodiversity indexes (Shannon, Simpson and Margalef indexes) were calculated. Different soil types (Gleysols, Brunic Arenosols, Gleyic Podzols and Hyperdistric Cambisols) were recorded for the investigated forest stands and the soils were categorized according to soil texture, C content, enzyme activity and different humus types (moder-mor, moder, moder-mull). The upland mixed coniferous forest sites were characterized by lower biodiversity indexes (2,6 Shannon index; 0,72 Simpson index; 4,9 Margalef index) while the upland mixed broadleaf forest sites showed higher indexes (3,3 Shannon index; 0,87 Simpson index; 9,4 Margalef index). The site index obtained for the fir stands confirmed these results.
    Źródło:
    Leśne Prace Badawcze; 2017, 78, 2
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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
      Wyświetlanie 1-4 z 4

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