| Issue № 2 |
Original research |
pdf-version |
Analysis of the floristic composition of the water bodies in the city of Dubna, Moscow Region
| Lazareva Galina | PhD, docent, Dubna State University, 141980, Russia, Moscow region, Dubna, Universitetskaya St., 19, lazarevg@mail.ru |
| Orlov Danila | Dubna State University, 141980, Russia, Moscow region, Dubna, Universitetskaya St., 19, danila25_02@mail.ru |
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Keywords: composition of flora generic coefficient ecological groups life forms |
Summary: The study of the floral diversity of water bodies is significant in assessing their ecological state and environmental pollution. The paper presents the results of an analysis of the flora of four lakes, differing in morphology: Lebyazhye Lake, lake in the Family Recreation Park (FRP), Lyagushatnik Lake, and Ratmino Lake. These lakes are located in the city of Dubna, Moscow Region. The study was carried out for the period 1999–2023. Lists of species were compiled with an indication of their ecological groups and abundance of species (on the Drude scale). The flora of the studied lakes are represented by 57 species of vascular plants, the maximum number of species (42 species) was recorded in Lebyazhye Lake, the minimum number (14 species) – in Lyagushatnik Lake. The dominant Poaceae and Cyperaceae families indicate the overgrowth of shallow coastal areas. A high value of the generic coefficient (93 %) was noted in Ratmino Lake and Lyagushatnik Lake, low (79 %) – in Lebyazhye Lake. The hydrophytness index varies from +0.07 (Ratmino Lake) to +0.43 (Lebyazhye Lake). Scioheliophytes predominate in relation to the light of lakes. The attachment of species to eutrophic habitats is clearly evident. The indicators of similarity of the species of the studied water bodies according to the Seyrensen-Chekanovsky index range from 0.32 to 0.58. The greatest species similarity was noted between the vegetation of Lebyazhye Lake and the lake in the FRP (58 %). All the lakes studied in Dubna are experiencing significant anthropogenic pressure, which may be the cause of the extinction of some species. © Petrozavodsk State University |
Received on: 19 March 2026 Published on: 07 June 2026 | |
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