| Summary: | Preservation of species diversity is one of the key tasks of the natural reserve objects, in particular case, the natural reserve "Drevlyansky`s" task. A study was conducted on the territory of the “Drevlyansky” Nature Reserve in June 2019 in order to improve the quality of species diversity monitoring, of the vascular plants species composition.
18 divisions of 6 quarters of Narodichy Forestry were investigated, as a result of research the vascular plants species composition of forests with type A2 (Fresh Bars) of Rossochovsky department was determined and analysed. 14 species of vascular plants belonging to 14 genuses and 10 families were identified and systematized, among which the most populous is the Poaceae family, which includes 5 genera and 5 species.
The dominant specie – Calamagrostis epigeios (L.) Roth was determined, on the basis of numerical accounting. The total index of domination of Calamagrostis epigeios (L.) is 0.1827. A definite general index of the species diversity of Margaleff, is 1,6385 for the fresh forests of the Razokhovsky branch and the indices of the diversity of the individual quarters studied, also calculated.
The results of the study will be used for further researches of the species diversity of the nature reserve and the identification of the basic patterns in the formation of fito–groups and the study of species composition and population numbers dynamics on the territory of the nature reserve "Drevlyansky", as well as the development of measures for the conservation and restoration of natural reserve "Drevlyansky".
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