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The natural flora plants use by local inhabitants of the historical rural localities in Chernihiv Polesie (Ukraine)

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Lukash O. , Strilets S. , Miroshnyk I. , Sazonova O.

Studia Quaternaria

2023

tom Vol. 40, Nr 2

115--126

This study is aimed to report and analyze the modern plants use in the historical rural localities of Chernihiv Polesie (Ukraine). The research materials were collected in two stages. At the first stage the main useful of the local natural flora were identified. At the second stage a sociological survey of adult local inhabitants on the plants use was conducted. The main groups of useful plants of the historical localities were established. The modern use of plants was analyzed. It was found that most plants were used by the local inhabitants for their own needs. However, certain edible, fodder and techniacal plants are a source of income for the local inhabitants. In the historical localities of Chernihiv Polesie all the traditional for the region ways of using the natural flora plants have been preserved (but to varying degrees). The degree of modern use of plants is primarily determined by the peculiarities of the vegetation (in particular, the predominance of pine, mixed forests and floodplain meadows) and financial incentives. This primarily applies to Vaccinium myrtillus gathering and laying hay in for the own use and sale. The local inhabitants use the plant resources lesser than the existining resource potential.

The contemporary distribution of the aquatic Tertiary relict plant species of the Bern Convention in eastern Polesye

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Lukash O. , Miroshnyk I. , Strilets S. , Rak O. , Sazonova O.

Studia Quaternaria

2021

tom Vol. 38, Nr 2

127--132

In spite of modern trends in the development of the eastern Polesye flora, the relict have been preserved in the aquatic ecotopes of Europe, including eastern Polesye. The paper highlights the peculiarities of the distribution in the region of three aquatic Tertiary relics preserved by the Bern Convention. According to the results of a field research, the degree of a modern rarity of the aquatic relict species in eastern Polesye was established, in particular, a very rare species (Aldrovanda vesiculosa), a moderately rare species (Trapa natans) and a relatively rare species (Salvinia natans). The current distribution of these relict species in the region has been positively affected by the increase in the values of maximum temperatures and isotherms of the summer months. A negative impact is made by the abrupt changes in the hydrological regime and the growth of anthropogenic eutrophication of reservoirs. Aldrovanda vesiculosa eliminates with minor changes in living conditions; Salvinia natans is the most tolerant to anthropogenic factors, but shows annual fluctuations in numbers; Trapa natans is stable distributed and has a tendency to expanding of its populations. The relics are the dominants of the Salvinio–Spirodeletum (polyrrhizae), Lemno–Utricularietum vulgaris, Spirodelo–Aldrovandetum vesiculosae, Trapetum natantis and Trapо–Nymphoidetum (peltatae) communities.