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    Wyświetlanie 1-7 z 7
    Tytuł:
    Wpływ sposobu rewitalizacji pożarzyska na stan mikrobiologiczny gleb 20 lat po całkowitym pożarze lasu
    Effect of the revitalisation method on microbial activity of soils 20 years after the complete burn-out
    Autorzy:
    Mocek-Płociniak, A.
    Bielińska, E.J.
    Wolna-Maruwka, A.
    Futa, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/972967.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    rewitalizacja
    mikroorganizmy glebowe
    leśnictwo
    Nadleśnictwo Potrzebowice
    gleby leśne
    aktywność mikrobiologiczna
    gleby popożarowe
    pożarzyska
    post−fire soils
    soil microbial activity
    microorganisms
    revitalization
    Opis:
    The article assesses the influence of method of revitalisation of the forest fire site in Potrzebowice Forest District (western Poland) on basic parameters of the microbial activity in soils. We investigated study plots established in 1994, two years after the forest had burnt down completely. We applied three different methods of soil preparation and planted either Scots pines (Pinus sylvestris L.) or grey alders (Alnus incana (L.) Moench.). For comparisons an area of natural succession and untreated control plot, which was located beyond the range of the fire, were taken. 18 years after the appli−cation of the methods of renewal of the fire site, the soils have not undergone full microbiological regeneration. The soils at the fire site were mainly colonised by heterotrophic eubacteria. The population of these microorganisms, which were usually found in fresh litter and in the strict rhizosphere, was greater than in the soil of the control plot. On the other hand, there were low populations of actinobacteria, which regenerated poorly, especially at the accumulation and humus levels of the post−fire soils. The population of fungi was also lower than in the control soil. The applied methods of the fire site renewal have not had significant influence on the microbiological state of the soils under investigation. However, the rate of regeneration of the microbiocenosis after the fire in the forest soils was much faster in the case of artificial renewal than in natural succession.
    Źródło:
    Sylwan; 2016, 160, 03; 247-255
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spodziewane konsekwencje ekologiczne w obniżeniu aktywności biologicznej gleb terenów poddanych presji turystyczno-rekreacyjnej
    Ecological consequences in reducing biological activity of soils under tourist-recreational pressure
    Autorzy:
    Tracz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1023223.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    oddzialywanie na las
    lesnictwo
    degradacja gleb
    aktywnosc biologiczna
    rekreacja
    turystyka
    gleby lesne
    oddzialywanie na glebe
    lasy
    fauna glebowa
    tourist−recreational pressure
    soil biological activity
    soil fauna
    degradation
    Opis:
    Tourist tracks, ski routs, ski lifts and cable railways, vantage points, bivouacs, campgrounds are under most heavy tourist pressure. In recent research attention has been drawn to external and visible symptoms of recreational impact on synanthropisation and degradation of areas, which attract tourists for their out−standing natural features. In this study emphasis has been put on unfavourable changes ongoing in soil environment i.e. biological activity of soils.
    Źródło:
    Sylwan; 2004, 148, 06; 38-43
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamika metabolizmu oddechowego gleb wybranych stanowisk parku dendrologicznego SGGW
    Dynamics of soil respiration in urban environment of Warsaw
    Autorzy:
    Wojda, T.
    Tracz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1026704.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    gleby
    gleboznawstwo
    oddychanie
    metabolizm gleb
    dynamika metabolizmu
    Park Dendrologiczny SGGW
    lesnictwo
    soil respiration
    infra red gas analysis (irga)
    soil co&sub2. efflux measurement
    diffusion of soil co&sub2.
    biological activity of soil
    Opis:
    The objective of the study was to determine the soil respiration dynamics in the urban dendrology park of the Warsaw Agricultural University. Soil respiration was measured in the ten−day cycles in spring, summer, autumn and winter in three selected environments (so−called: path, grassland and herbaceous layer) differing in the degradation level caused by man and in vegetation ground cover. The soil carbon dioxide efflux in these three environments was measured at the soil surface and at a depth of 10 cm following soil exposure. The diffusion of soil carbon dioxide was also measured using an infrared gas analysis (IRGA), as well as air and soil temperatures at both depths, bulk density of soil, dry soil weight and actual humidity.
    Źródło:
    Sylwan; 2003, 147, 05; 21-27
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Struktura zbiorowisk grzybów i bakterii w glebie 1-rocznej uprawy i 10-letniego młodnika w zależności od sposobu przygotowania gleby
    Structure of fungal and bacterial communities in 1-year and 10-year-old plantations of Scots pine after different pre-planting preparation of soil
    Autorzy:
    Kwaśna, H.
    Łakomy, P.
    Gornowicz, R.
    Mikiciński, A.
    Borowczyk-Behnke, J.
    Gałązka, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/989686.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    uprawy lesne
    uprawy sosnowe
    mlodniki sosnowe
    sosna zwyczajna
    Pinus sylvestris
    przygotowanie gleby
    gleby lesne
    aktywnosc biologiczna
    grzyby glebowe
    bakterie glebowe
    wystepowanie
    zbiorowiska bakterii
    zbiorowiska grzybow
    struktura zbiorowisk
    armillaria
    heterobasidion
    scots pine
    silvicultural techniques
    soil biological activity
    Opis:
    Effects of post−harvest wood−debris utilization and pre−planting soil preparation in clear−cut forest on the community structure of soil fungi and bacteria and their possible biological activity towards Armillaria and Heterobasidion were studied in 1− and 10−year−old Scots pine plantations in Bierzwnik and Międzychód Forest Districts (W Poland). Post−harvest wood−debris utilization included: (i) removal from the surface, (ii) spread of the coarse or chipped wood−debris on the surface and (iii) mixing of the chipped wood debris with the soil. Pre−planting soil preparation included: (i) deep furrowing, (ii) shallow turning of the topsoil, (iii) ridging and (iv) no ground preparation. The soil−dilution method was used for detection of fungi and bacteria in soil. Morphotyping was used for identification of fungi. Phenotypic traits and biochemical properties were used for identification of bacteria. Molecular method, MID−66 or BIOLOG® systems were additionally applied for identification of the most common bacteria. Removal of post−harvest wood−debris from the surface of the clear−cut land and shallow turning of the topsoil or ridging before planting increased abundance of fungi in soil of 1−year−old Scots pine plantation. Deep furrowing resulted in increased abundance of fungi and no ground preparation in increased abundance of bacteria in soil of 10−year−old Scots pine plantation. Increased abundance of fungi and bacteria was associated with increased abundance of taxa considered as antagonistic to Armillaria and Heterobasidion. Removal of the post−harvest wood debris and moderate or no mechanical intervention into the soil habitat on the clear−cut site before planting of Scots pine seedlings seems to create the habitat, which may be beneficial for the growth of young trees.
    Źródło:
    Sylwan; 2015, 159, 01; 71-81
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ biomasy pochodzącej z resztek pozrębowych na właściwości gleb
    Effect of biomass from the post-harvest logging residues on soil properties
    Autorzy:
    Błonska, E.
    Kacprzyk, M.
    Wróblewska, K.
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/979193.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    biomasa
    zagospodarowanie
    leśnictwo
    pozostałośći zrębowe
    gleby leśne
    włąsciwości chemiczne
    właściwości biochemiczne
    aktywnośc enzymatyczna
    soil biochemical properties
    enzymatic activity
    post−harvest residues
    Picea abies
    Opis:
    The aim of the study was to determine the effect of different management treatments of Norway spruce post−harvest logging residues on soil properties. The study compared the impact of residues chipping and arrangement into the stacks. The investigation was carried out in the Nowy Targ Forest District (southern Poland). 15 research plots were selected for the analysis (5 plots with wood chips, 5 with stacks and 5 control ones). In May 2018, on each research plot soil samples for laboratory analysis were collected from the surface horizon (0−10 cm depth). Basic properties (pH, carbon and nitrogen content, base cations content) and enzyme activity (dehydrogenase, urease and−glucosidase) were determined. The obtained results confirm the influence of post−harvest logging residues management on soil properties. The significant differences in soil carbon content between soils of different plots variants were noted. Soils of research plots with wood chips and stacks were characterized by higher content of carbon compared to the control research plots. At the same time soils with post−harvest logging residues had a higher biochemical activity expressed by enzymatic activity. The nutrients released from decaying post−harvest logging residues stimulated the microbiological activity of the soils.
    Źródło:
    Sylwan; 2020, 164, 02; 110-117
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rozkład pionowy aktywności enzymatycznej gleb różnych siedlisk leśnych
    Vertical distribution of enzymatic activity in soils of different forest habitats
    Autorzy:
    Olszowska, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/973213.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    profile glebowe
    leśnictwo
    siedliska leśne
    bor mieszany świeży
    bor świeży
    las mieszany świeży
    las świeży
    gleby leśne
    aktywność enzymatyczna
    rozkład pionowy
    orest sites
    soil profiles
    enzymatic activity
    Opis:
    Vertical distribution of enzymatic activity in the soil profile was studied in Scots pine (Pinus sylvestris) and oak (Quercus robur) stands located in southwestern Poland. The enzymatic activity for the most part is accumulative in upper layers of soil: on coniferous site type in Ofh and mineral (0−10 cm) layer, and on broadleaved site type in the mineral (0−10 cm) layer.
    Źródło:
    Sylwan; 2010, 154, 06; 405-411
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biochemiczna aktywność gleb różnych siedlisk leśnych
    Biochemical soil activity of different forest site
    Autorzy:
    Olszowska, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/989600.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    gleboznawstwo lesne
    siedliska lesne
    siedlisko boru mieszanego swiezego
    siedlisko lasu mieszanego swiezego
    gleby lesne
    aktywnosc biochemiczna
    aktywnosc enzymatyczna
    wlasciwosci chemiczne
    forest site type
    enzymatic activity
    soil chemistry
    Opis:
    The aim of the study was to determine the enzymatic activity and chemical properties of soil in selected stands of different age classes on two forest site types: fresh mixed coniferous forest (BMśw) and fresh mixed deciduous forest (LMśw). The investigations were carried out in Nowe Ramuki Forest District in 2013−2015 located in the central part of Warmińsko−Mazurskie administration district Poland. In organic and humus horizons following parameters were described: acidity in 1M KCL, content of nitrogen, carbon and exchangeable alkaline cations (Na+, K+, Ca2+ and Mg2+) as well as hydrolytic acidity. Enzymatic investigation included the measurements of urease, asparaginase, acid phosphatase and dehydrogenase activity. Content of C and N, sum of base cations (S), hydrolytic acidity (Hh), cation exchange capacity (PWK), base saturation percentage were significantly higher in organic than humus horizon. Enzymatic activity was connected with the content of organic matter, what resulted in higher activity in organic than humus horizon independently of site type and stand age. The concentration of organic carbon (C), nitrogen, C/N ratio, hydrolytic acidity and cation exchange capacity was higher on BMśw than LMśw site type. Activity of urease, acid phosphatase and dehydrogenase was lower in soils of LMśw than BMśw site type. Lower enzymatic activity may suggest lower intensity of decaying process of organic matter in these soils. Significant correlations between enzymes and chemical soil parameters were found. Significant correlation between enzymatic activity and soil chemical properties shows that biochemical parameters can be used as indexes of their productivity. Investigation of biochemical reaction intensity can be complement to soil chemical studies usually used in forestry.
    Źródło:
    Sylwan; 2016, 160, 08; 666-673
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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