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    Wyświetlanie 1-4 z 4
    Tytuł:
    Soil enzymatic activity in deteriorated forest ecosystems in the operation area of the Pulawy S.A. Nitrogen Factory
    Autorzy:
    Bielinska, E J
    Domzal, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/1450115.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Pulawy Forest Inspectorate
    forest ecosystem
    nitrogen work
    enzyme activity
    biological property
    forest soil
    Zyrzyn commune
    biochemical property
    soil
    Pulawy Nitrogen Factory
    operation area
    forest habitat
    soil property
    degraded ecosystem
    anthropogenic ecosystem
    environmental deterioration
    Opis:
    The present research (1998-1999) was carried out to evaluate soil enzymatic activity in the deteriorated forest ecosystems within the operation range of the Puławy S.A. Nitrogen Factory. Investigation covered podzolic soils from strong and medium forest pollution zones. Objects from the Pulawy Forest Inspectoratejwere represented, i.e. samples from the Puławy district (Inspectorate Wronów) and Żyrzyn district (Inspectorate Zagórki). The obtained results indicate high degree of soil environment deterioration in the investigated forest habitats, in the form suppressed enzymatic activity and deformation of chemical properties. A significant increase in the enzymatic soil activity with the increasing distance from the nitrogen factory was observed. Changes in the activity of soil enzymes were related to the soil chemical properties.
    Źródło:
    Acta Agrophysica; 2001, 51; 7-13
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Differentiation of chemical properties of forest soils in the range of beech trees [Fagus sp.] under the influence of atmospheric pollution in the Dobrzany Forest Inspectorate of the West Pomerania District
    Autorzy:
    Raczkowski, B
    Powiązania:
    https://bibliotekanauki.pl/articles/1449235.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Pomeranian region
    anthropogenic factor
    beech tree
    chemical property
    brown soil
    forest soil
    soil
    soil property
    atmospheric pollution
    Dobrzany Forest Inspectorate
    degraded ecosystem
    anthropogenic ecosystem
    Fagus
    differentiation
    Opis:
    The author investigated a 0-3 cm layer of two forest brown soils: brown acid and brown leached. These forest soils were under handsome beech trees (Fagus sp.) between 100 and 120 years old. The author compared the chemical properties of the soils. The soil existing near the tree trunk (1 m2 of surface, strongly washed by rain water polluted by chemical substances) and the soil existing under the tree umbrella (40 m2 of surface in the area of the tree-tops, washed poorly by rain water). This comparison showed changes in these properties, dependent upon the degree of atmospheric contamination. It was found that, at the same level of atmospheric contamination, higher changes of properties were found in brown leached soil than in brown acid soil. Less acidified soils (with alkaline or neutral pH reaction) are more suitable in these researches. The investigations of the forest soil layer 0-3 cm (12 soil profiles) showed that changes in their chemical properties in relation to tree trunk-tree umbrella can be the basis of assessment of the degree of atmospheric contamination.
    Źródło:
    Acta Agrophysica; 2001, 51; 151-157
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heavy metals in the forest soils of the South Podlasie Lowland
    Autorzy:
    Raczuk, J
    Powiązania:
    https://bibliotekanauki.pl/articles/1449729.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    anthropogenesis
    Podlasie region
    soil
    lithogenesis
    pedogenesis
    soil property
    forest soil
    degraded ecosystem
    anthropogenic ecosystem
    heavy metal
    Opis:
    Concentration and profile distribution of heavy metals was investigated as contamination indicators of the forest soils formed from glacial deposits of the South Podlasie Lowland. The study was carried out on thirteen soil profiles situated a hundred meters from the road. The highest content of heavy metals was found in the organic horizons of the investigated soils. The mean content of Mn, Zn, Cu, Pb, Ni, Cr in the investigated soils were: 556.7, 72.9,15.5, 63.5,13.8, 16.5 mg/kg d.m. of the soil, respectively. In the mineral-organic and mineral horizons of the investigated soils heavy metals were present in quantities which were close to natural. The podzol soils, podzols and rusty soils developed from sands contain less heavy metals than the soils lessivés, black earth and deluvial soil. The Mn, Zn, Cu, Pb distribution in the soil profiles is influenced by the soil forming processes. The distribution index of the examined metals distribution in the genetic horizons testify to it.
    Źródło:
    Acta Agrophysica; 2001, 51; 263-274
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Content of Cu, Zn and Mn in the eroded soils of a small arable-forest catchment of West Pomerania [The Chojna District]
    Autorzy:
    Chudecka, J
    Powiązania:
    https://bibliotekanauki.pl/articles/1449154.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Pomeranian region
    Polska
    arable-forest catchment
    water erosion
    Chojna district
    erosion process
    geochemical background
    soil
    soil property
    eroded soil
    degraded ecosystem
    anthropogenic ecosystem
    heavy metal
    Opis:
    The aim of this paper was to assess differentiation in the total content of Cu, Zn and Mn under the influence of water erosion. The present author investigated parent material, eroded soils and delluvial sediments of a small arable-forest catchment of the moraine zone in West Pomerania. The average content of heavy metals in the parent rock (boulder light loam) were assumed as geochemical backgrounds of Cu, Zn and Mn. It was found out that erosion process caused differentiation in heavy metals. Zinc was the most mobile in this transportation; Mn was not sensitive to it. Delluvial sediments from arable (drainage) depressions had a clearly lower content of Cu and Zn than the parent material. It was also noted that Cu and Zn content in the forest area was lower than in the arable area of a similar relief and soil composition. Mn content was always higher in the arable soils. Soil-forming processes influenced differentiation of heavy metals in the vertical soil profile. The humus and Bt horizons (accumulation of silicate clay) were enriched with heavy metals. A decrease of heavy metal content was noticed in the eluvial horizon (Eet - outwash of silicate clay). The humus horizon of the investigated soil had, a natural (not increased) content of Cu, Zn and Mn.
    Źródło:
    Acta Agrophysica; 2001, 51; 21-28
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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