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    Wyświetlanie 1-3 z 3
    Tytuł:
    Fitoakumulacja molibdenu i manganu w koniczynie białoróżowej (Trifolium hybridum L.) i babce pospolitej (Plantago major L.)
    The fitoaccumulation of molybdenum and manganese in alsike clover (Trifolium hybridum L.) and greater plantain (Plantago major L.)
    Autorzy:
    Stojek, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2061845.pdf
    Data publikacji:
    2017
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    bioakumulacja
    molibden
    mangan
    Beskidy Wschodnie (Karpaty)
    Polska
    bioaccumulation
    molybdenum
    manganese
    Eastern Beskids (Carpathians)
    Polska
    Opis:
    Badania zawartości molibdenu i manganu w powierzchniowej warstwie gleb i roślinach przeprowadzono w okolicy Jabłonek w Beskidach Wschodnich w rejonie występowania łupków menilitowych i piaskowców z Otrytu. Pracę wykonano w celu zbadania zawartości molibdenu i manganu w roślinach oraz określenia wskaźnika bioakumulacji tych pierwiastków w dwóch gatunkach roślin (Trifolium hybridum L. i Plantago major L.). Oznaczenia Mo wykonano metodą ICP-MS, a Mn analizowano metodą ICP-OES. Stwierdzono wyższe zawartości Mo w Trifolium hybridum L. na terenie występowania łupków menilitowych (w liściach – 14 mg/kg) niż na terenie piaskowców z Otrytu (w liściach – 0,30 mg/kg). Najwięcej Mn gromadzi się w liściach (86–257 mg/kg). Wskaźnik bioakumulacji Mo poszczególnych gatunków roślin jest różny, jego wartości zmieniają się w zakresie 0,13–1,13. Najwyższym wskaźnikiem bioakumulacji molibdenu (1,13) cechuje się Trifolium hybridum L., występująca na terenach łupków menilitowych.
    Studies of molybdenum and manganese content in topsoil and plants were carried out in the Eastern Beskids (Carpathians) in area of occurrence of menilite shales and the Otryt sandstones. The aim of the study was to evaluate the content of molybdenum and manganese in plants and the determination of a bioaccumulation of these two chemical elements in two species of plants (Trifolium hybridum L. and Plantago major L.). Mo symbols were performed by means of ICP-MS method, and Mn were analyzed by means of ICP-OES method. Result of studies in the Trifolium hybridum L. have shown higher content of Mo in the area of occurence of menilite shales (in leaves – 14 mg/kg) than in the Otryt sandstones (in leaves – 0.30 mg/kg). Most Mn accumulates in leaves (86–257 mg/kg). The bioaccumulate indicator of Mo in individual plant species is different and ranges from 0.13 to 1.13. The highest rate of bioaccumulation of molybdenum (1.13) can be observed in Trifolium hybridum L., which inhabits areas of menilite shales.
    Źródło:
    Biuletyn Państwowego Instytutu Geologicznego; 2017, 470; 81--87
    0867-6143
    Pojawia się w:
    Biuletyn Państwowego Instytutu Geologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sylvicultural procedures in catchment areas of the mountain streams as exemplified by the Skrzyczne massif in Poland
    Autorzy:
    Malek, S.
    Barszcz, J.
    Majsterkiewicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/38536.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    catchment area
    mountain stream
    climatic zone
    vegetation zone
    Beskids Mountains
    Skrzyczne massif
    Polska
    headwater
    watercourse
    Opis:
    Extensive disintegration of spruce forests in the Beskidy Mts. in South Poland generates a need to regenerate sizeable areas as well as to rebuild forest stands which have defended themselves against breakdown. In practice, the magnitude of relevant management tasks does not allow for keeping up with the progressive destruction of forest, especially at higher altitudes, where natural regeneration does not occur as much as necessary. In addition, the species composition is limited to spruce, sometimes accompanied by beech and fir, whereas other species have a negligible share. What may be helpful in solving this problem is the method of regeneration of such areas and of establishment of under-canopy cultures, consisting of patchwork, multi-stage regeneration task performance, starting from the areas with the best chance of reforestation success and using the existing self-sown trees. Such areas undoubtedly include habitats with better water balance, i.e. humid habitats (in the case of larger areas, distinguished in the forest management plan as humid forest site types). The aim of the present study was to propose management of watercourses and headwater areas in the region of the Skrzyczne massif where the selected catchments are situated on the southern (the Malinowski Stream) and the northern (the Roztoka Czyrna stream) slopes of this massif. The research was carried out in August 2012 and included juxtaposition of available hydrological maps with actual field conditions along with identification of springs and streams and the course of their beds in order to update the existing data. The updating of the forest numerical maps in the existing databases of the State Forests IT System (SILP) included verification of the course of streams and determination of their nature (penament or periodic) with a division into the existing ones and the added ones. The data was recorded against the background of the division of the forest surface, contour lines, major roads, climate and plant floors and forest habitat types. The total length of streams was ascertained. The catchment areas and areas along their beds were determined by adopting variable distances from the beds, depending on climate and plant zones and the slope gradient. The adopted distances were: 5 m in the upper forest zone, 10 m in the middle forest zone, 20 m in the lower forest zone on both sides of the bed and in the headwater area within the radius of 10 m from a source. Specific sylvicultural procedures in headwater areas and in the neighbourhood of watercourses were described in each climatic and vegetation zones.
    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:
    Sustainability of Picea abies of Istebna provenance in Dupniański Stream catchment as dependent on stand age class
    Autorzy:
    Malek, S
    Powiązania:
    https://bibliotekanauki.pl/articles/41396.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    international conference
    Europe
    forest ecosystem
    plant breeding
    tree
    Norway spruce
    Picea abies
    sustainability
    provenance
    Dupnianski Stream catchment
    stand age class
    Silesian Beskids Mountains
    Polska
    Opis:
    Ecochemical indexes such as soil buffer reaction (pH), acid neutralising capacity (ANCaq), alkalinity (ALK), soil acidity (Ma%), basic cation saturation (BS), and molar ratios Ca:Al and BC:Al were used to study the sustainability of Norway spruce of Istebna provenance in stands differing in age class. The data were obtained from the research conducted in the Dupniański Stream catchment in the Silesian Beskid Mts. (Poland). The acid neutralising capacity, alkalinity, and soil acidity were found to depend on the age of spruce stands. The increased acidification of deposits was due to the presence of sulphate and nitrate ions which were washed out from the surface of plants. Passing through the canopy caused a decrease in the acid neutralising capacity, alkalinity, and base cation saturation, and an increase in the soil acidity, with the values being dependent on stand age. The soil acid reaction shifted to the range of the aluminium and iron bufferness, but the Ca:Al and BC:Al ratios were still above the level when aluminium stress is probable. The washout of the basic cations beyond the spruce root system, and the low levels of exchangeable Mg2+ and Ca2+, basic cation saturation of soil water, and effective base saturation of soil may affect the vitality and health of spruce stands in the future. To maintain the sustainability of Norway spruce stands of Istebna provenance in the Dupniański Stream catchment it is necessary to increase the retention of basic elements, especially Mg2+ and Ca2+, by means of stand conversion or fertilisation.
    Źródło:
    Dendrobiology; 2009, 61 Supplement
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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