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Flora and Vegetation of Asian Russia

2024 year, number 1

FLORA OF PROTECTED MIRES IN THE SOUTHERN PART OF THE SVERDLOVSK REGION. REPORT 2

Alyona S. Tretyakova1, Alyona D. Vakhrusheva2, Nikolay Yu. Grudanov1, Elena V. Pismarkina1, Stepan A. Senator3, Dmitriy A. Philippov4
1Botanical Garden of the Ural Branch RAS, Yekaterinburg, Russia
2Ural Federal University, Yekaterinburg, Russia
3Tsitsin Main Botanical Garden of the RAS, Moscow, Russia
4Papanin Institute for Biology of Inland Waters RAS, Borok, Russia
Keywords: mires, flora of vascular plants, Red Data Book, specially protected natural areas, rare species, Sverdlovsk Region

Abstract

The presented work contains the results of studying the floristic diversity of vascular plants in protected mires in the southern part of the Sverdlovsk Region (Russia). The studies were carried out on four peat lowland plain mires: Boloto u ozera Kukuyan, Belskoye, Savvateevskiy Ryam and Bakhmetskoe. The article provides a list of discovered species of vascular plants. In total, 135 species of vascular plants belonging to 88 genera, 46 families and 5 divisions were identified in the flora of the studied mires. The leading families in terms of the number of species are Cyperaceae, Rosaceae, Poaceae, Salicaceae, Asteraceae and Ericaceae, the leading genera are Carex and Salix. A relatively low level of species similarity between the mires floras under consideration was revealed - the average value of the Jaccard coefficient is 0.25. The highest values of similarity coefficients (0.37) were noted for the flora of geographically close bogs - Bakhmetsky and Belsky, located on the territory of the Pripyshminskiye Bory National Park. The flora is dominated by plurizonal and boreal species with a wide distribution (Holarctic, European-West Asian and Eurasian). Among the biomorphological groups, polycarpic herbs are of significant importance (83 species, 62 %) of which 37 % are rhizomatous plants. In the studied mires, cenopopulations of 2 rare species listed in the Red Data Book of the Sverdlovsk Region were recorded (Neottianthe cucullata, Platanthera bifolia). In addition to rare species, the studied peat bogs serve as a habitat for relict plants. For example, Calluna vulgaris grows in the Bakhmetskoe mire.