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Ирина Вячеславовна Сергеева Екатерина Вячеславовна Гулина Екатерина Николаевна Шевченко Альбина Леонидовна Пономарева


The article presents an analysis of the flora of the technogenic territory located in the vicinity of the city of Saratov in close proximity to industrial enterprises. The study of flora was carried out in the period from 2019 to 2021. The number of species of the Asteraceae family in the surveyed area, the dynamics of species diversity were determined. The total number of species of the family in the last year of the study was 58 species from 34 genera. A biomorphological and systematic analysis was carried out. He showed that the family in the technogenic territory has been represented for several years by a complex of ruderal species and representatives of natural plant communities. The ratio between them is 44.83% and 55.17%. The life forms of the representatives of the family are diverse. However, it is important for rod-rooted perennials, biennials, annuals. The revealed ratio of species by hygromorphs and trophomorphs indicates favorable conditions for soil nutrition and moisture, despite the impact of anthropogenic factors. Systematic analysis has shown that the flora of Asteraceae is represented not only by species that occur commonly and frequently, but also by those that occur occasionally and rarely.

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