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«IZVESTIYA IRKUTSKOGO GOSUDARSTVENNOGO UNIVERSITETA». SERIYA «BIOLOGIYA. ECOLOGIYA»
«THE BULLETIN OF IRKUTSK STATE UNIVERSITY». SERIES «BIOLOGY. ECOLOGY»
ISSN 2073-3372 (Print)

List of issues > Series «Biology. Ecology». 2025. Vol 51

Bryocomponents of Reservoirs of the Udmurt Republic

Author(s)

A. V. Rubtsova1

1 Udmurt State University, Izhevsk, Russian Federation

Abstract
As a result of studying the bryoflora of reservoirs and watercourses of the Udmurt Republic, 185 species of mosses from 104 genera and 55 families were identified, which is 72,5 % of the total number of mosses in the bryoflora of the Udmurt Republic. In the course of the study, two new species were identified in the bryoflora of reservoirs and watercourses of Udmurtia – Hygroamblystegium tenax (Hedw.) Ienn and Rhynchostegium riparioides (Hedw.) Cardot. Both species are freshwater oligotrophic hydrohygrophytes that live in fast, cold streams. Also, during the study, populations of 8 species of mosses listed in the Red Book of the republic were found in the reservoirs of Udmurtia. These are Mnium lycopodioides Schwägr., Pellia neesiana (Gottsche) Limpr., Philonotis caespitosa Jur., Philonotis calcarea (Bruch et al.) Schimp., Plagiomnium drummondii (Bruch et Schimp.) T.J. Kopp., Ricciocarpos natans (L.) Corda, Fontinalis hypnoides C. Hartm. and Anomodon longifolius (Schleich. ex Brid.) Hartm. The leading families in terms of the number of species in the bryophlora of reservoirs are typical boreal families, which also lead in the bryophlora of Udmurtia as a whole (Mniaceae, Amblystegiaceae, Brachytheciaceae, Sphagnaceae, Bryaceae). The leading bryoflora families in the Udmurt Republic include more than half of all species (62,2 %). According to the preferred hydro regime, hygrophytic (76 species, 41,1 % of the total) and mesophytic (80; 43,2 %) species naturally predominate in the bryophlora of the studied reservoirs and watercourses. In relation to the habitat illumination regime, helioscyophytic bryophytes predominate in the bryophlora of reservoirs and watercourses, as well as in the bryophlora of the Udmurt Republic (95 species, 51,4 %). According to the acidity of the substrate, neutrophilic (32,4 %) and acidoneutrophilic (27,1 %) species predominate, which is natural for forest areas. However, in the southern regions of the republic (Karakulinsky, Kambarsky, Grakhovsky), as well as in settlements where the coastline is landscaped, the participation of basiphilic species increases (up to 12,1 %). According to the types of ecological and phytocenotic strategies, the bryoflora of reservoirs is dominated by groups of perennial stiers (37,8 %) and colonists (35,7 %). The bryoflora of reservoirs is dominated by such life forms as real turf (36,8 %), smooth carpet (16,2 %), vertically branched carpet (15,1 %) and plexus (14,6 %). According to the substrate preference, representatives of 4 groups were noted. Naturally, epigeal mossy species predominate (41,3 %), which is typical for many bryoflora of the boreal zone.
About the Authors
Rubtsova Anna Viktorovna, Candidate of Sciences (Biology), Associate Professor, Leading Research Scientist Udmurt State University, Lead Specialist 1/1, Universitetskaya st., Izhevsk, 426034, Russian Federation e-mail: atrichum@mail.ru
For citation
Rubtsova A.V. Bryoflora of Reservoirs of the Udmurt Republic. The Bulletin of Irkutsk State University. Series Biology. Ecology, 2025, vol. 51, pp. 35-45. https://doi.org/10.26516/2073-3372.2025.51.35 (in Russian)
Keywords
reservoirs, bryoflora, mossy, new species, Red Book, Udmurt Republic.
UDC
582.32(470.51)
DOI
https://doi.org/10.26516/2073-3372.2025.51.35
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