Web of Scholar ISSN 2518-167X 38 6(24), Vol.4, June 2018 https://ws-conference.com/webofscholar АНТРОПОГЕННИЙ ВПЛИВ ОСУШУВАЛЬНИХ СИСТЕМ ВОЛИНСЬКОГО ПОЛІССЯ НА ПОШИРЕННЯ АДВЕНТИВНИХ ВИДІВ РОСЛИН Ойцюсь Л. В. к. б. н., Костолович М. І. к. п. н., Денисюк Н. В. Україна, м. Рівне, Рівненський державний гуманітарний університет DOI: https://doi.org/10.31435/rsglobal_wos/12062018/5772 ARTICLE INFO Received: 22 April 2018 Accepted: 24 May 2018 Published: 12 June 2018 ABSTRACT Considering the important role aliens species in modern the development of the flora different regions and insufficient examination of the issue for Volyn Polessya in general and for its reclaimed areas such as alien flora present study is of particular relevance. The importance of such studies growing also due to the fact as that prevailing at the time of drainage objects and caused a number of reasons. The purpose of our study was to determine the species composition of the alien flora in the drainage systems of the region, an analysis of its features, installation phytocoenotic role aliens plants. The investigate of 11 drainage system, located in the area Polessye in Volyn and Rivne region and received data on the species composition of the aliens flora. According to research in the drainage systems Volyn Polessye found 68 species spread of alien flora belonging to 60 genera and 25 families. The most numerous were such families as Asteraceae (17 species or 25 % of total species), Brassicaceae (9 species or 13,2 %), Poaceae (7 species or 10,3 %), Lamiaceae (5 species or 7.3 %), Fabaceae (4 species or 5.9 %). Together these families combine 42 species or 61.8 % of all marked alien species. The remaining 20 families account for less than 26 species, each represented by 1-3 species. At the time of entry of registered alien species markedly dominated archeophitie represented 41 species. Kenophitie include 27 species. Prevalence archeophitie, according to our results, possibly due to the peculiarities of the natural environment of the region and the specific environmental conditions in the reclaimed areas. Simultaneously, a division of alien species for future entry indicates that the reclaimed areas populated those species which are already entered into the territory of Ukraine. The degree of naturalization among the registered alien species predominate epekophitie represented 55 species. By origin flagged alien species were quite varied. The most numerous species is a group of mediterranean origin, represented by 19 species. 11 species are mediterranean-iranian-turanian origin. Group of north- american species represented by 9 species. Other groups are a small number of species or individual. In the spectrum of life forms recorded alien species is dominated by annuals that are 46 species. The predominance of annuals is the hallmark of alien flora. Within hidromorf alien species in drainage objects significan tly out kseromezophitie represented 42 species and mezophitie represented 18 species. With registered drainage systems alien species only 19 species marked at all investigated sites. Most of these species grow in certain phytocoenosis 15 species are archeophitie and only 4 – kenophitie. The spread of other alien species is random, most are found along the roads, limits on abandoned places. As part of many plant communities in the drainage areas most commonly kenophitie Conyza canadensis (L.) Cranq. (about 50 %). In ruderal lands is often the case Atriplex prostrata Boucher, Ballota ruderalis Sw ., Phalocroloma annum (L.) , Tripleurospermum perforatum (Merat.), Lactuca serriola Torner. Most alien species of characterize by low projection surface. Notable role in most areas of the transformed. In general, as the analysis of published data, the alien fraction flora Volyn Polessye has a very high potential for practical use. Most of the plants at the same time has several valuable properties, but this potential is not fully used yet because research in this scenario is quite promising. KEYWORDS Volyn Polessya, aliens species, drainage objects, archeophitie, kenophitie