Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal. 2018. № 2(26). P. 60—71
03.00.00 BIOLOGICAL SCIENCES
UDC 581.527.7 (470.13-25)
Kuznetzova Yana Vyacheslavovna, Student
Syktyvkar State University named after Pitirim Sorokin Bobrov Yuriy Aleksandrovich, Candidate of Biological Sciences, Associated Professor
Syktyvkar State University named after Pitirim Sorokin Eliseeva Elena Nikolaevna, Leading Engineer
Center for Laboratory Analysis and Technical Measurements in the Republic of Komi
ANALYZING THE ALIEN COMPONENT OF EZHVA DISTRICT FLORA (SYKTYVKAR, KOMI REPUBLIC)
Abstract
The article presents the results of the description of the Ezhva district invasive plants, Syktyvkar. They are based on the materials of the regional (SYKO and SYKT) and the central (MW) herbariums, personal collections and observations of the authors, analysis of the published scientific data. Over the whole period of research the authors registered 89 species of vascular plants of 72 genera of 24 families in the territory under study, which amounted to 47.4% of the total list of alien plants registered for the republic. The structure of the leading taxa is similar to that of the general list of invasive Angiosperms of the regions and differs greatly from the lists for native flora. The predominance in the alien complex of plants of the continental, warmer and drier climate with mild winters indicates the direction of the introduction of invasive plants into the studied area from the central part of European Russia. Among these species, there are many xenophytes (68.5%) and ephemerophytes (77.5%). A number of species adapted in the surveyed territory quite successfully. Biological control is required for the agriophytes Alopecurus geniculatus, Cichorium intybus, Medicago lupulina, Melilotus albus and the epecofigophytes Conyza canadensis, Heracleum sosnowskyi and Typha latifolia. The spectrum of the growth forms of the plants of the alien flora complex is naturally dominated by monocarpics. The proportion of corn root plants is also high, some of which turn to flowering in the year of germination, which is probably one of the pre-adaptation forms to the conditions of the north.
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Bibliography link to this article:
Kuznetzova Ya. V., Bobrov Yu. A., Eliseeva E. N. Analyzing the alien component of Ezhva district flora (Syktyvkar, Komi Republic). Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal, 2018, no. 2 (26), pp. 60—71. DOI: https://doi.org/10.32516/2303-9922.2018.26.3.