Physicogeographical Characteristics of the Republic of Adygea

Bedanokov, Murat K.; Chich, Saida K.; Chetyz, Dana Yu.; Trepet, S. A.; Лебедев, С. А.; Kostianoy, Andrey G.

doi:10.1007/698_2020_637

Cited by 7 publications

(3 citation statements)

References 5 publications

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“…1). The climate of the high-mountain zones of the study area is cold and humid with a mean temperature of August (warmest month) less than 14°C and average annual precipitation 1200 mm (Varshanina & Mitusov, 2005;Bedanokov et al, 2020). This area includes practically all range of plant communities typical to the high-mountain zones of the Western Caucasus.…”

Section: Study Area and Objectsmentioning

confidence: 99%

Impact of dominants on the species richness and compositional dissimilarity of high mountain plant communities of the Western Caucasus (Caucasian State Nature Reserve, Russia)

Akatov

Акатова

Chefranov

et al. 2021

Nature Conservation Research

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Climate warming may cause not only a reduction in the area of high-mountain vegetation, but also a change in the abundance of many species, including dominant ones, which may have additionally negative consequences for plant communities. Therefore, our knowledge how dominants affect high-mountain plant communities at different spatial scales is important to predict changes in their species richness in the future. In this study, we aimed to answer the following questions: i) How does the species richness of high-mountain plant communities of the Western Caucasus depend on the participation of dominant species? ii) Can this relationship be explained on the basis of the «energy diversity» hypothesis? iii) Do dominants affect the degree of similarity (or difference) in the species composition of plant communities located in different habitats? The research was carried out in the Caucasian State Nature Reserve, Russia. The objects of study were seven homogeneous sites of plant communities dominated by Alchemilla retinervis, A. oxysepala, Geranium gymnocaulon, Carex capillifolia, Inula grandiflora, Calamagrostis arundinacea, Epilobium angustifolium. Within each of them, biomass samples were taken from 25-30 plots of 0.25 m 2 , which were then disassembled by species and weighed. The participation of dominants (the degree of dominance) was assessed through the ratio of their biomass and biomass of samples as a whole. The results show that, first, most of the studied high-mountain plant communities are characterised by a close relationship between the relative participation of the dominant and the species richness in small plots. Secondly, this connection can be explained on the basis of the "energy-diversity" hypothesis. This means that the size of the species pool of plant communities with different degrees of dominance should be approximately the same. Thirdly, the plant communities with relatively high participation of dominants are characterised by a slightly higher degree of compositional dissimilarity than plant communities with low participation. We have concluded that dominants have a predominantly local effect on the species richness of high-mountain plant communities in the Western Caucasus. However, an increase in their participation leads to a decrease in the occurrence of many accompanying species, and, accordingly, can make these species more vulnerable to the effects of other factors.

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Section: Study Area and Objectsmentioning

confidence: 99%

Impact of dominants on the species richness and compositional dissimilarity of high mountain plant communities of the Western Caucasus (Caucasian State Nature Reserve, Russia)

Akatov

Акатова

Chefranov

et al. 2021

Nature Conservation Research

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“…Land resources play a major role in the natural and economic potential of the Republic of Adygea [1,2]. In addition to the fact that land is the main and irreplaceable means of production in agriculture, acting as a spatial basis, it is in fact a connecting link for other natural resources.…”

Section: Soil Cover Of the Republic Of Adygeamentioning

confidence: 99%

Ecological Conditions of Soils in the Republic of Adygea

Лебедев

Gunina

Ashinov

et al. 2020

The Handbook of Environmental Chemistry

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“…The main leftbank tributary is the Pshekha River 139 km long, located lower than Belorechensk. The area of its catchment basin is 2,090 km 2 [6].…”

Section: Natural and Climatic Conditions Of The Belaya River Basinmentioning

confidence: 99%

Spatial Distribution of Heavy Metals Content in the River Belaya Ecosystem

Toroyan

Takh

2020

The Handbook of Environmental Chemistry

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This paper presents the results of the research on the content and spatial distribution of heavy metals in the system of water-bottom sediments of the Belaya River in the Republic of Adygea. Quantitative data were obtained, and the authors performed comparative analysis of the pollution of various abiotic environments of the river ecosystem. The pattern of vertical distribution of heavy metals in bottom sediments is shown to be linked to the level of pollution and conditions of the river flowage.

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Physicogeographical Characteristics of the Republic of Adygea

Cited by 7 publications

References 5 publications

Impact of dominants on the species richness and compositional dissimilarity of high mountain plant communities of the Western Caucasus (Caucasian State Nature Reserve, Russia)

Impact of dominants on the species richness and compositional dissimilarity of high mountain plant communities of the Western Caucasus (Caucasian State Nature Reserve, Russia)

Ecological Conditions of Soils in the Republic of Adygea

Spatial Distribution of Heavy Metals Content in the River Belaya Ecosystem

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