Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal. 2022. № 2(42). P. 73—84
BIOLOGICAL SCIENCES
UDC 504.5:574(470.51)
Ovchinnikova Elena Sergeevna, Postgraduate student
Mari State University Voskresenskaya Olga Leonidovna, Doctor of Biological Sciences, Professor
Mari State University
MORPHOMETRIC PARAMETERS OF SOME SPECIES OF THE Populus GENUS IN THE CONDITIONS OF YOSHKAR-OLA CITY
Abstract
The paper provides a comparative analysis of the responses of the balsam poplar (Populus balsamifera) and the Soviet pyramidal poplar (Populus sowietica × pyramidalis) to the factors of the urbanized environment at the morphometric level. The habitats of the species were studied in various functional zones of the city: industrial, residential and public-residential. The main factors influencing the formation of an increased content of pollutants in the air of the areas under study have been identified. A comparative assessment of the environment state and plants was carried out on the base of the fluctuating asymmetry of the leaves of the balsam poplar and the Soviet pyramidal poplar; factors influencing the degree of its development were revealed. The density of the crowns of the studied species is characterized and assumptions are made about the factors influencing the formation of this parameter. Statistical analysis of the data based on the coefficient of variation of morphometric parameters (tree height, stem diameter) of the Poplar genus representatives revealed differences between the two species, both between themselves and between the places of growth. The features of the development of two species in several areas of the city, which differ in the degree of anthropogenic load, are described.
Key words
Poplar, urbanized environment, fluctuating asymmetry, tree crown, anthropogenic factors.
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Bibliography link to this article:
Ovchinnikova E. S., Voskresenskaya O. L. Morphometric parameters of some species of the Populus genus in the conditions of Yoshkar-Ola city. Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal, 2022, no. 2 (42), pp. 73—84. DOI: https://doi.org/10.32516/2303-9922.2022.42.7.