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    Wyświetlanie 1-6 z 6
    Tytuł:
    Development of the leaf blades of Acer platanoides in industrially contaminated environment
    Autorzy:
    Dineva, S B
    Powiązania:
    https://bibliotekanauki.pl/articles/41665.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Norway maple
    Acer platanoides
    leaf blade
    air pollution
    sulphur dioxide
    environment pollution
    industrial pollution
    industrially contaminated air
    Opis:
    Leaf blades of Norway maple (Acer platanoides L.), growing in heavily polluted industrial area have been studied for anatomical changes developed under the influence of the industrial contamination (with SO2, NxOx, Pb, As). The aim of the examination was to reveal the dynamics in the development of leaf blades and to trace the impact of the contaminated air on the leaf structure of Norway maple. The conducted study registered acceleration of the vegetative growth of the leaf blades that is manifested through approximately two weeks earlier appearance of leaves on the tree, faster linear growth and strengthened the xeromorphic traits in the leaf structure of the tree plants from the contaminated region. The observed changes are regarded as adaptation of the plant to the polluted environment, i.e. as tolerance.
    Źródło:
    Dendrobiology; 2006, 55; 25-32
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative studies of the leaf morphology and structure of white ash Fraxinus americana L. and London plane tree Platanus acerifolia Willd growing in polluted area
    Autorzy:
    Dineva, S B
    Powiązania:
    https://bibliotekanauki.pl/articles/41005.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    white ash
    Fraxinus americana
    London planetree
    Platanus acerifolia
    leaf
    industrial area
    industrial pollution
    heavy polluted industrial area
    air pollution
    leaf morphology
    leaf structure
    leaf anatomy
    environment pollution
    Opis:
    The leaf blades of white ash Fraxinus americana L. and London plane tree Platanus acerifolia Willd. growing in heavy polluted industrial areas were studied for morphological and anatomical changes developed under the influence of industrial contamination. The aim of the investigation was to determine and compare the influences of air polluted with SO2, NxOx, Pb, As, Zn, Cu etc. on the morphology and the structure of the leaves of these deciduous trees. Both species are tolerant to environmental changes but with different environmental characteristics and tolerances and they are widely used for planting. Under polluted conditions, the trees strengthened the anatomic xeromorphic characteristics of their leaf structures, which gave them the opportunity to mitigate the stressful conditions of the environment. The observed responses are regarded as adaptive and compensative to the adverse effects of air pollution.
    Źródło:
    Dendrobiology; 2004, 52; 3-8
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of canopy density on the defoliation of the European silver fir (Abies alba Mill.) due to heavy industrial pollution
    Autorzy:
    Filipiak, M
    Napierala-Filipiak, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/41603.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    silver fir
    European silver fir
    Abies alba
    canopy density
    defoliation
    air pollution
    industrial pollution
    crown defoliation
    crown regeneration
    ecology
    heavy industrial pollution
    environment protection
    Opis:
    Until recently, the level of industrial air pollution in the Sudetes (a mountain range extending on the Czech Republic and Poland border) was very high.This caused a large-scale forest decline, especially in the western part of the Polish Sudetes: in the Izerskie and Karkonosze Mts. An analysis of data on fir defoliation in that area, collected directly after the period of heavy industrial pollution, showed a clear dependence of the degree of defoliation of the primary crown on canopy density: the lower the density, the higher the degree of defoliation.
    Źródło:
    Dendrobiology; 2009, 62; 17-22
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes of Abies alba crown state and stand quality class in the Sudety Mountains
    Autorzy:
    Filipiak, M
    Powiązania:
    https://bibliotekanauki.pl/articles/41245.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    Sudetes Mountains
    fir
    Abies alba
    forest decline
    stand quality class
    industrial pollution
    environment pollution
    acid fog
    plant regeneration
    air pollution
    Opis:
    Sudeteny Mts. are a region where the level of industrial air pollution was very high due to brown coal combustion. In this paper I presents the assessments concerning the fir stand quality class and crown vitality.The study were carried out between 1999 and 2001 and supplemented with studies made in 1997 and 2005. My conclusions are based on measurements of 3529 fir trees representing 481 populations of this species in different parts of the Sudety Mts. The stand quality class of the fir in the Sudety Mts. are better than expected but about 0,5 degree lower than in the Carpathians. Our results confirm the reports concerning the strong and very strong damage of fir crowns in the Sudety Mts. in the 1990’s. It was calculated that the average fir in the Sudety Mts. stands has a primary crown with a length that is approximately 19% of the total tree height and which is damaged in approximately 36%. At approximately 23% of the total height the average fir develops a regeneration crown. An additional factor which contributed to fir damage was their frequent presence in thinned stands. In these places the process of crown reconstruction from a wide to a denser is observed. In the recent years the level of industrial pollution in the Sudety Mts. has been strongly reduced. This particularly concerns sulphur oxides. This has contributed to the improvement of the crown health of the studied species, but the crown regeneration is slower than the trunk diameter increment. The crown damages have so far been proportional to the altitude. Trees which grow in stands located in lower areas have healthier crowns. Trees which grow in broken canopy and on hilltops are more vulnerable to the impact of pollution carried by wind and fog. The severe damage to the top parts of the crown has a negative effect on the cone crop of the fir.
    Źródło:
    Dendrobiology; 2005, 54; 11-17
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of industrial air pollution on membrane lipid composition of Scots pine [Pinus sylvestris L.] needles
    Autorzy:
    Pukacki, P M
    Powiązania:
    https://bibliotekanauki.pl/articles/57292.pdf
    Data publikacji:
    2004
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    Scotch pine
    needle
    industrial pollution
    Polska
    air pollution
    Pinus sylvestris
    Kornik area
    fatty acid
    membrane lipid
    phospholipid
    composition
    heavy metal
    Opis:
    This work was undertaken to determine lipids changes in needles of Scots pine (Pinus sylvestris L.) populations growning on polluted stands near a phosphate fertilizer factory in Luboń, and copper smelter in Głogów and in a control area in Kórnik. Needles from polluted areas had a lower content of total phospholipids than samples from the unpolluted site. Greater changes were detected in membranes of needles collected in October and January. In comparison with the control total phospholipid in needles of populations from polluted areas were 14 to 33% lower. Phosphatidylcholine (PC) phosphatidylethanolamine (PE) and phosphatidylglicerol (PG) were the dominant phospholipids. The analysis of fatty acids in phospholipid fraction showed a decrease of linoleic acid (18:2) and linolenic acid (18:3) contents. The level of polyunsaturated fatty acids in needles of three populations from polluted areas was up to 40% lower as compared with the control. Moreover, phospholipids and their fatty acids showed seasonal fluctuations. The contents of PC, PG and PE increased in autumn and in winter, during the process of cold acclimation. In July, current-year needles did not show significant differences in membrane lipid composition between the polluted areas of Scots pine populations. The results suggest that the lipid changes of needles could be associated with disturbances in phohospholipid metabolism, caused by environmental pollution.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2004, 73, 3
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chemical analysis of the aerosol particle on the Baltic coast
    Analiza chemiczna cząsteczek aerozoli na wybrzeżu Bałtyku
    Autorzy:
    Jaworski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/85103.pdf
    Data publikacji:
    2006
    Wydawca:
    Akademia Pomorska w Słupsku
    Tematy:
    chemical analysis
    aerosol particle
    Baltic Sea
    sea coast
    laser ablation
    particle distribution
    Slupsk town
    Hel Peninsula
    weather condition
    autumn
    aerodynamic diameter
    air pollution
    industrial pollution
    road traffic
    Opis:
    Berner cascade impactor was used to study urban aerosols in two localities of the Pomeranian macro-region Słupsk and Hel in autumn at different weather conditions. The range of aerodynamic diameters between 0.009 and 8.11 mm were separated. Elementary composition for each diameter was obtained in a complex procedure consisting of laser ablation of deposits then their successive ionization in inductively coupled plasma generator and finally mass selection in a quadrupole spectrometer. The chemical element analysis method proofs to be quick and versatile, allowing to identify different sources of air pollution, natural, industrial and due to the road traffic.
    Do zbierania i selekcji aerozoli został użyty kaskadowy separator aerozoli (cascade impactor), model Berner. Pomiary obejmowały swym zasięgiem dwa rejony: peryferie Słupska (20 km od Morza Bałtyckiego) oraz letniskowa miejscowość Hel, położona na półwyspie Hel nad samym morzem. Odbywały się one jesienią. Dla porównania wykonano pomiary w dzień i w nocy (Hel) oraz podczas ładnej i deszczowej pogody (Słupsk). Separator kaskadowy umożliwiał zbieranie i selekcje aerozoli nadmorskich w jedenastu różnych klasach wielkości, w zakresie od 0,009 do 8,11 mm średnicy aerodynamicznej. Analiza składu chemicznego aerozoli, zebranych na cienkich, aluminiowych foliach, odbywała się metoda odparowania ich zogniskowana wiązka impulsowego lasera neodymowego Nd:YAG (laser ablation LA) i metoda pomiaru pojedynczych izotopów za pomocą kwadrupolowego spektrometru masowego ICP MS firmy Perkin Elmer. Do analizy wybrano izotopy pierwiastków odpowiedzialnych za zanieczyszczenie atmosfery: 12C, 13C, 28Si, 52Cr, 58Ni, 59Co, 63Cu, 75As, 114Cd i 208Pb. Ilościowe określenie poszczególnych pierwiastków możliwe było dzięki wcześniejszej kalibracji przyrządu i zastosowaniu zewnętrznych standardów kalibracyjnych. Zastosowana metoda umożliwia precyzyjne określenie składu chemicznego interesujących nas pierwiastków rzędu ppm, a co ważniejsze, dodatkowo uzyskujemy informacje o ich zawartości w poszczególnych frakcjach ich wielkości.
    Źródło:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2006, 10
    1643-0115
    Pojawia się w:
    Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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