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Wyszukujesz frazę "forest soil quality" wg kryterium: Temat

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Wpływ odnowienia lasu zrębem zupełnym na trofizm gleb rdzawych na przykładzie Nadleśnictwa Spała
    Trophic soil index of the rusty soils affected by clear-cutting in the Spala Forest District
    Autorzy:
    Jamroz, E.
    Weber, J.
    Dębicka, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/990984.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Nadlesnictwo Spala
    drzewostany
    zrab zupelny
    gleby lesne
    gleby rdzawe
    trofizm gleb
    indeks troficzny gleb
    forest soils
    trophic soil index
    forest soil quality
    soil organic carbon
    Opis:
    The paper describes the influence of clear−cutting on the fertility of rusty soils expressed by trophic soil index. Soils in the Spała Forest District (central Poland) were covered by coniferous or mixed coniferous forests. Clear−cutting in acidic and oligotrophic mixed coniferous forests decreased soil fertility and affected an increase of hydrolitic acidity, particularly in Oh and Bv horizons. This type of timber harvest influenced also decrease of organic carbon in the first year after cutting.
    Źródło:
    Sylwan; 2014, 158, 09; 669-674
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Usability of enzyme activity in estimation of forest soil quality
    Autorzy:
    Blonska, E.
    Januszek, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/38481.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    usability
    enzyme activity
    estimation
    forest soil
    soil quality
    soil enzyme
    site index
    Opis:
    Taking into account the progressive degradation of soils it is important to assess their quality. Soil quality depends on a large number of physical, chemical, biological and biochemical properties. In the publications available, there are presented three approaches regarding the use of soil properties to estimate soil quality: (1) the use of individual properties, (2) the use of simple indexes and (3) the use of complex indexes derived from combinations of different properties. The purpose of this study was to investigate the possibility to use enzymes as indicators of forest soil quality. Experimental plots (43) were located in central Poland. The study was carried out in a number of diverse fresh forest sites. To assess the quality of forest soils dehydrogenase and urease activity and the degree of base saturation were used. One of the final conclusions point out that enzymatic activity indicates current site condition as well as the changes that occur in soil better than soil physical and chemical properties. In other words, in comparison to soil enzymatic activity, soil physico-chemical properties constitute a less sensitive indicator of soil changes.
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2013, 55, 1
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biological and biochemical properties in evaluation of forest soil quality
    Autorzy:
    Blonska, E.
    Lasota, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/38711.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    biological property
    biochemical property
    forest soil
    soil quality
    earthworm
    enzyme activity
    Opis:
    The aim of this study was to assess the possibility of using biological and biochemical parameters in the evaluation of forest soil quality and changes caused by land use. The study attempted to determine a relationship between the enzymatic activity of soil, the number of earthworms and soil physico-chemical properties. The study was carried out in central Poland in adjoining Forest Districts (Przedbórz and Smardzewice). In soil samples taken from 12 research plots, basic physico-chemical properties, enzyme activity (dehydrogenase, urease) and density and biomass of earthworms were examined. Enzyme activity showed a large diversity within the forest site types studied. The correlations between the activity of the enzymes studied and C/N ratio indicated considerable importance of these enzymes in metabolism of essential elements of organic matter of forest soils. Urease and dehydrogenase activity and earthworm number showed susceptibility to soil pH, which confirmed relationships between enzyme activity and abundance of earthworms and soil pH in H2O and KCl.
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2014, 56, 1
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface and Subsurface Water Runoff and Selected Matter Components From the Forested Loess Slope
    Autorzy:
    Mazur, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/123753.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    soil erosion
    forest
    surface outflow
    subsurface outflow
    water quality
    loess soil
    Opis:
    In the years 2008-2011, the study on the surface and subsurface water runoff from the forested loess slope was carried out to determine the concentrations of selected chemical indicators of water quality, soil suspension and loss of the pure matter component. The maximum tested concentrations of water quality indicators were low and amounted to: 1.841 mg‧dm-3 N-Nog, 0.943 mg‧dm-3 N-NH4, 0.478 mg‧dm-3 N-NO3, 0.213 mg‧dm-3 N-NO2, 0.423 mg‧dm-3 P, 1.621 mg‧dm-3 K. The masses of the eroded matter constituents were low and amounted to: 0.808 kg‧ha-1 N, 0.157 kg‧ha-1 P, 0.142 kg‧ha-1 K and 2.989 kg‧ha-1 soil. The parameters of erosive precipitation and water outflow were statistically significantly correlated with the concentration of soil suspended matter and losses of the analyzed components of matter, as well as negligible concentration of chemical indicators of water quality. Afforestation of the loess slopes threatened by erosion is a treatment that effectively protects the soil against water erosion.
    Źródło:
    Journal of Ecological Engineering; 2018, 19, 6; 259-266
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Trace elements content in soils of the Krzywiczyny Forest Reserve
    Autorzy:
    Kusza, G
    Duzynski, M.
    Marcinkowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1450912.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    manganese
    trace element
    water quality
    air pollution
    Namyslow Forest Inspectorate
    forest soil
    lead
    nickel
    soil environment
    soil
    cadmium
    Krzywiczyny Forest Reserve
    zinc
    copper
    terrestrial ecosystem
    forest
    Opis:
    The aim of the work was to investigate various soils properties in the partial forest reserve "Krzywiczyny", in the Namysłów Forest Inspectorate (Opole Voivodeship). It was found that upper soil horizons, including organic, humic and illuvial ones, indicated clear accumulation of Mn, Zn, Cu, Pb and Cd. However, a tendency to diminution of these elements content with profile depth was noted. High positive correlation was stated between organic matter content and Mn, Zn, and Cu amounts in the brown leached soils studied.
    Źródło:
    Acta Agrophysica; 2001, 50; 169-175
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of soil bulk density on forest tree seedlings
    Autorzy:
    Kormanek, M.
    Banach, J.
    Sowa, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/24491.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    soil
    bulk density
    seedling
    quality
    Scotch pine
    European beech
    forest tree
    Opis:
    The paper presents the results of an analysis of the influence of soil bulk density in a forest nursery plot on the growth and quality parameters of Scots pine and European beech seedlings. Particular density variants were obtained using a tractor device exerting controlled pressure on the soil, while field examinations were performed on an area of ‘Kłaj’ forest nursery in Niepołomice Forest District. Three series of plots were prepared for each species, applying a unit pressure of the values of 50, 100, 150, 200, 250 kPa, corresponding to the dry bulk density in the range of 1.03-1.19 g cm-3, and control plots without the pressure. Seeds of the examined species were sown on the prepared plots, and after 6 months of growth the seedlings were subjected to biometric analysis determining differentiation in root neck diameter, length of the above-ground part and root system, as well as dry mass of particular parts of the plant. The quality of the seedlings was also determined using the method of Schmidt-Vogt. The results obtained show that the change in dry bulk densitysoil significantly affected most of the growth parameters of theexamined seedlings. Especially high negative correlations were obtained for the length and dry mass of the root system. A significant influence of dry bulk density variant on all growth parameters of Scots pine seedlings, and on some parameters of European beech was demonstrated. An increase in soil bulk density clearly caused also a deterioration of European beech seedlings quality.
    Źródło:
    International Agrophysics; 2015, 29, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quantity and quality of organic matter in forest and arable soils developed from sand and loess
    Autorzy:
    Smal, H
    Misztal, M.
    Ligeza, S.
    Dyminska-Wydra, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1450660.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    organic matter
    ecological condition
    soil type
    humic substance
    loess
    organic carbon fraction
    arable soil
    forest biocenosis
    soil constituent
    quantity
    sand
    soil
    sandy soil
    soil cultivation
    quality
    terrestrial ecosystem
    Opis:
    Eight sandy and three loess forest and arable soils taken from the S-E region of Poland were used in the study. The following fractions of C were determined: total organic carbon, fraction soluble in 0.5 mol NaOH dm-3 (humic acids + fulvic acids), humic acids, fulvic acids, fraction soluble in 0.5 mol H2SO4 dm-3 (hemicelluloses) and residue. Quantity and quality of organic matter depended on horizon and soil use. The highest content was shown by fraction of humus acids and residue, whereas the lowest - hemicelluloses fraction. In most soils C ratio of humic to fulvic acids exceeded 1.0. On average, in humus horizons, it was higher in arable than in forest soils and in loess as against sandy soils. In sandy soils, a slightly higher content of humus fraction and lower residue one than in loess soils was found.
    Źródło:
    Acta Agrophysica; 2001, 50; 225-234
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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