Floristic regions of the Samur-Chirakhchay interfluve and Dzhufudag (Southern Dagestan) according to analysis of petrophyte species composition
https://doi.org/10.18470/1992-1098-2021-2-129-136
Abstract
Aim. To undertake floristic zoning of the Samur-Chirakhchay interfluve and Dzhufudag for the analysis of the species composition of petrophylic complexes.
Material and Methods. A list of obligate petrophytes was compiled based on the results of processing the authors' own field collections and taking into account information from floristic reports and determinations. The assessment of similarity of species composition of petrophytes in the regions was carried out using the Jaccard (Kj) and S0rensen-Czekanowski (Ksc) coefficients.
Results. A subdivision of the mountain area studied into 7 floristic regions was carried out, based on a comparison of floristic lists and the presence of endemic species.
Conclusion. The tendency in petrophytes to isolation of species forms, arising from spatial isolation relating to habitat specificity, makes it possible to quite accurately draw boundaries corresponding to the natural boundaries of differentiation of floras.
About the Authors
G. A. Yusufov
Mountain Botanical Garden, Dagestan Federal Research Centre, Russian Academy of Sciences
Russian Federation
Competing Interests:
Russian Federation
Gisamudin A. Yusufov
Makhachkala
Competing Interests:
not
A. A. Teymurov
Dagestan State University
Russian Federation
Competing Interests:
Russian Federation
Abdulgamid A. Teymurov - Candidate of Biological Sciences, Associate Professor & Deputy Director, Institute of Ecology and Sustainable Development, Dagestan SU.
21 Dakhadaeva St, Makhachkala, 367000. Теl +79882047311
Competing Interests:
not
Z. I. Soltanmuradova
Dagestan State University
Russian Federation
Competing Interests:
Russian Federation
Zarema I. Soltanmuradova
Makhachkala
Competing Interests:
not
B. N. Saypulaeva
Dagestan State Pedagogical University
Russian Federation
Competing Interests:
Russian Federation
Bulul N. Saypulaeva
Makhachkala
Competing Interests:
not
K. V. Bortsov
Dagestan State University
Russian Federation
Competing Interests:
Russian Federation
Konstantin V. Bortsov
Makhachkala
Competing Interests:
not
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Review
For citations:
Yusufov G.A., Teymurov A.A., Soltanmuradova Z.I., Saypulaeva B.N., Bortsov K.V. Floristic regions of the Samur-Chirakhchay interfluve and Dzhufudag (Southern Dagestan) according to analysis of petrophyte species composition. South of Russia: ecology, development. 2021;16(2):129-136. (In Russ.) https://doi.org/10.18470/1992-1098-2021-2-129-136
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