P. I. Ilicheva, I. I. Vasenev, Ye. B. Taller

RJEE Vol. 10 (2). 2025 | DOI: 10.21685/2500-0578-2025-2-4
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Receipt date 14.03.2025 | Publication date 26.06.2025

 

DOI 10.21685/2500-0578-2025-2-4

 

TRAPA NATANS L. AS A PART OF MACROPHYTE BIODIVERSITY ECOLOGICAL ESTIMATION

P.I. Ilicheva 1, I.I. Vasenev 2, Ye.B. Taller 3
1, 2, 3 Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, Russia
1 polinailicheva@yandex.ru, 2 vasenev@rgau-msha.ru, 3 etallereb@rgau-msha.ru

 

Abstract. As urban territories grow in population and size, water ecosystems suffer from anthropogenic impact on hydrological conditions and macrophyte biodiversity. The research goal is to analyze the seasonal changes (May – September 2020–2024) in aquatic plant diversity, rare species as Trapa natans (July 2022–2024), in connection with air temperature changes and ecological levels of water quality by saprobity index Sladecek (1963) and Kokin (1982) in Moscow urban ponds. The study was carried out by using the standard methods of identification and description of macrophyte diversity in Verhni Chernivskiy pond, Severniy Polyanskiy pond and Saltykovskiy pond which are located in urban parks: Landscape Park of South Butovo and Butovo Forest Park. It was estimated that the annual, seasonal changes and the anthropogenic effect have permanent impact on the macrophyte species and their quantity. In 2021 we identified 38 species of macrophytes in the studied urban ponds due to warm spring temperatures and appropriate water level in the ponds owing to abundant rainfall. But in 2023 and 2024 the aquatic plant biodiversity decreased and the saprobity index shows the water quality class as satisfactory clean in Saltykovskiy pond and Severniy Polyanskiy pond that could be caused by increasing transport and new road building impact on these areas. Also, in 2023 water caltrop number had been reducing in all recording points in Verhni Chernivskiy pond because of a cold summer, higher water level in the pond and competition with other macrophytes. Providing monitoring organization and ecological assessment mitigates recreational impact on Landscape Park of South Butovo and Butovo Forest Park and keeps high macrophyte diversity level, in particular Trapa natans and Nymphaea Candida, that lead to the water ecosystems sustainability in Moscow.

 

Keywords: aquatic plants, water ecosystems, saprobity index, water caltrop, species diversity, urban ecosystems

 

For citation: Ilicheva P.I., Vasenev I.I., Taller Ye.B. Trapa natans l. as a part of macrophyte biodiversity ecological estimation. Russian Journal of Ecosystem Ecology. 2025;10(2). (In Russ.). Available from: https://doi.org/10.21685/2500-0578-2025-2-4