Fluctuating asymmetry of Betula pendula leaves as a bioindicator of aerotechnogenic pollution of agrolandscapes
Автор: Lobkov V.T., Vetrova J.V.
Журнал: Вестник аграрной науки @vestnikogau
Статья в выпуске: 2 (47), 2014 года.
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The main goal of our research was to determine the variability model and fluctuating asymmetry indices of the metric signs of Betula pendula as a typical species which grow uniformly in the Orel region and Orel.The following problems were solved:to collect material in the planting of silver birch in two areas;to determine the parameters of Betula pendula leaf blade and the level of its asymmetry; to explore the basic statistical properties of the asymmetry parameters of the individual features characterizing the asymmetry of the whole object;to substantiate the use of Betula pendula in urban ecosystems for gardening and landscaping. The estimation of the changes of developmental stability Betula pendula in biotopes with different levels of anthropogenic impact is carried out. The character of the fluctuating asymmetry of Betula pendula place in the Orel region and Orel, in areas with weak and strong anthropogenic impact, has been studied. Found that the deterioration of the ecological state of urban environment does not determine the reduction of the population development stability of Betula pendula and can testify to its tolerance to environmental contamination.
Betula pendula, industrial pollution, development stability, fluctuating asymmetry
Короткий адрес: https://sciup.org/147124532
IDR: 147124532
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