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    Wyświetlanie 1-3 z 3
    Tytuł:
    Migration of Hazardous Components of Municipal Landfill Leachates into the Environment
    Autorzy:
    Popovych, Vasyl
    Telak, Jerzy
    Telak, Oksana
    Malovanyy, Myroslav
    Yakovchuk, Roman
    Popovych, Nataliya
    Powiązania:
    https://bibliotekanauki.pl/articles/124784.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    hydrosphere
    physical properties
    chemical properties
    leachates
    water pollution
    municipal solid waste
    Opis:
    The research on the physical and chemical properties of landfill leachates and migration of its hazardous components into hydrosphere and biosphere is a current problem in the global context. The object of the research is landscape-changing factors of the Lviv municipal landfill (Ukraine). It was defined that the largest part of oil products accumulates in the leachates at the south-western side of the landfill (23.6 mg/dm3) and it is 2.36 times higher than the value of the maximum permissible concentration (MPC) (10 mg/dm3); the most saline leachates with chlorides and sulfites are those accumulating at the foot and at the northwestern side; the phosphate content of the investigated leachate samples was the highest at the foot of the landfill and amounted to 12.8 mg/dm3, which exceeds the MPC (10 mg/dm3) by 1.28 times; high concentration of ammonium nitride was discovered in the leachates at the foot (76.1 mg/dm3) and at the northwestern side (46.3 mg/dm3), which exceeds the MPC (30 mg/dm3) by 2.53 and 1.54 times, respectively; the highest indicators of total iron are typical for basins nearby (at the foot – 68.2 mg/dm3, at the northwestern side – 56.3 mg/dm3) and exceed the MPC norms (2.5 mg/dm3) by 27.28 and 22.52 times, respectively. According to certain indicators, the content of hazardous components in the leachates, which accumulate at the foot and at the northwestern side, exceeds the MPC and is several times higher than in the natural basins at the distance of 800 and 1200 m.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 1; 52-62
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Specific Activity of Radionuclides in Soils Disturbed by Forest Fires
    Autorzy:
    Popovych, Vasyl
    Henyk, Yaroslav
    Gapalo, Andriy
    Bosak, Pavlo
    Popovych, Nataliya
    Powiązania:
    https://bibliotekanauki.pl/articles/2105292.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    forest fire
    fire danger
    radionuclides
    soil pollution
    Opis:
    Fires in natural ecosystems have a detrimental effect on all biota components. In the global scale, many scientific studies of prominent scientists are devoted to this topic. It should be noted that scientists have always been interested in the influence of thermal destruction of soil genetic horizons on the specific activity of radionuclides. Most of these studies began after the Chernobyl (1986) and Fukushima (2011) radiation disasters. The conducted research is focused on the specific activity of radionuclides due to the thermal effects of fires in natural ecosystems. It has been established that the edaphotopes affected by fires are naturally restored causing the restoration of soil formation processes. The specific activity of radionuclides decreases with the duration of the ground fire. Comparing the obtained data with the regulatory documentation, it was found that they do not exceed the minimum significant activity of radionuclides in the workplace. However, the increased activity of radionuclides in soils has a detrimental effect on the ecological condition and flora and fauna development. During the fire season in natural ecosystems and forests, careless handling of fire should be avoided and preventive measures should be taken to inform the public about the harmful effects of wildfire.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 6; 265--270
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Features of the Oyster Mushroom Growth and Distribution in Suburban Forests and Urban Conditions of the Ukrainian Roztochya
    Autorzy:
    Popovych, Vasil
    Dyda, Oleksandra
    Popovych, Nataliya
    Les, Mykhailo
    Powiązania:
    https://bibliotekanauki.pl/articles/123876.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    oyster mushroom
    Ukrainian Roztochya
    xylophyte
    saprophyte
    macromycetes
    destruction
    Opis:
    The article is devoted to the study on the spatial distribution features of fungi – xylophytes and saprophytes – using the example of the oyster mushroom (Pleurotus ostreatus (Jacq.) P. Kumm.) in suburban plantations (Ukrainian Roztochya) and urbogenic conditions of the city of Lviv. The natural-climatic and forest-typological characteristics of the study region were revealed. Detailed attention was focused on the occurrence of this species in various types of plantings within suburban forest parks, parks, urban gardens and street plantings. The distribution of oyster mushroom individuals in the population was calculated according to the conventional Schwerdtfeger method. The urban-ecological conditions of the suburban and urban green plantings of the Lviv city revealed a high level of oyster mushroom (Pleurotus ostreatus (Jacq.) P. Kumm.) distribution, due to a set of favorable edaphoclimatic conditions of habitats, age and mechanical damage to trees. It was found that the distribution of the individuals in the suburban forests is half of that in the urban areas, which is confirmed by the calculation of variance (dispersion). The dispersion of oyster mushroom individuals in Lviv is 29.3 m2. With spontaneous arrangement of individuals, the value of the dispersion is approximately equal to the average value of the number of mushrooms in the population, while there is a tendency for accumulation of the studied macromycetes (S2≥ m). In urban plantings, the dispersion of individuals is twice as large as in forests, which indicates the wide possibilities for the oyster mushroom spores dispersal.
    Źródło:
    Journal of Ecological Engineering; 2020, 21, 5; 202-212
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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