E3S Web Conf.
Volume 169, 2020Actual Problems of Ecology and Environmental Management: Cooperation for Sustainable Development and Environmental Safety (APEEM 2020)
|Number of page(s)||5|
|Published online||19 May 2020|
About the reasons for the rare plant species disappearance in the Upper Volga region
Ivanovo State University, Ivanovo, 153025, Russia
The problems of the extinction of aquatic plant species in Ivanovo region glacial lakes are discussed. As a result of research a sharp decrease in the number of rare hydrophytes (Elatine hydropiper, Isoetes lacustris, I. echinospora, Sparganium gramineum) has been established. The reasons are complex, they are associated with the eutrophication of ponds, heavy metals soil pollution, uncontrolled recreational loads and Elodea canadensis invaded into lake ecosystems. The ecological niche of Sparganium gramineum in the lakes is occupied by S. × longifolium, the hybridogenic origin of which is proved by modern molecular genetic analysis.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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