Nature conservation significance of communities with Taxus baccata L. in Dagestan
https://doi.org/10.33580/24092444_2023_2_46
Abstract
Identification and study of relict, endemic and rare plants is a great importance for knowledge of the history of origin and formation of flora and vegetation. The aim of the work is an estimation of the condition of broad-leaved and coniferous forests of Dagestan with Taxus baccata from their conservation significance in terms of the presence of endemics, relics and rare plants. The research was carried out in 2015-2022 in the Foothill and Inner-Mountain Dagestan. Information on 203 plant species identified in yew forests related to 68 families and 139 genera is given. Of these, 49 species (24% of the total species richness) are relict and represent 34 families and 45 genera. The prevalence of relicts of the Tertiary period was noted. Twenty-one endemic species of the East Caucasus and the Caucasus as a whole have been identified, which is 10.3% of the total list of the Dagestan yew forest flora. 12 species are rare (5.9 %), of which 11 species are included in the Red Data Book of the Republic of Dagestan (2020) and 9 species in the Red Data Book of the Russian Federation (2008).
Conservation assessment of five communities with T. baccata was carried out. Communities with very high indicators of floristic significance (F9) were identified. Based on the obtained results it is necessary to assign the status of protected areas to the studied communities with the involvement of the scientific community of the republic.
About the Author
P. K. Omarova
Mountain Botanical Garden of the DFRC RAS
Russian Federation
Russian Federation
Omarova Parizat Kurbanalievna, Junior Researcher, Laboratory of introduction and genetic resources of woody plants
Makhachkala, M. Gadzhieva st., 45
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Review
For citations:
Omarova P.K. Nature conservation significance of communities with Taxus baccata L. in Dagestan. Botanical Journal of the North Caucasus. 2023;(2):46-55. (In Russ.) https://doi.org/10.33580/24092444_2023_2_46
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