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Wyszukujesz frazę "London planetree" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Effects of climatic conditions on annual tree ring growth of the Platanus x hispanica "Acerifolia" under urban conditions of Szczecin
Autorzy:
Cedro, A
Nowak, G.
Powiązania:
https://bibliotekanauki.pl/articles/41154.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Szczecin city
Zeromski Park
London planetree
tree population
Platanus x hispanica
urban condition
climate condition
tree ring width
annual tree ring growth
Opis:
Szczecin harbours Poland’s largest London plane tree population. The London plane trees growing in Szczecin’s Żeromski Park were subjected to dendroclimatological research (analyses of signature years and response function). The study was based on a composite site chronology, signed ZER, spanning 105 years (1900–2004); the mean annual tree ring growth was 2.59 mm. Precipitation, particularly that in late winter- early spring and in the summer months was found to be a factor decisive for the tree’s cambial activity. A high sum of precipitation during the periods mentioned induced positive growth responses in the trees. Thermal conditions during the growth period proved to be another factor controlling the annual tree ring growth, as shown by linear relationships. The tree ring growth-climate relationships in the population under study as well as the between-parks differences in the London plane tree response can be explained by differences in habitat conditions. The trees under study grow in the vicinity of a busy, frequently repaired street and are surrounded by pavement and/or hardened road surface, which greatly limits the infiltration of moisture supplied by precipitation.
Źródło:
Dendrobiology; 2006, 55; 11-17
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
    Wyświetlanie 1-2 z 2

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