Rare species of bayrachny forests of the south of the European part of Russia

Tatyana Sokolova,V.V Chepinoga,K.P Ma

doi:10.1051/bioconf/20213800122

Abstract

The article presents the results of long-term research of ravine oak forests of the Rostov region.The term ‘bayrack’ (ravine) forest is associated with the growing of forests of this type on the slopes of ravines in the forest-steppe zone. The conducted ecological and floral classification showed a high syntaxonomic diversity of ravine oak forests of the region. Forest communities are represented by 6 associations: Scorzonero ensifoliae–Quercetum Sokolova ex Semenishchenkov 2020; Vicio pisiformis–Quercetum roboris Semenishchenkov 2012; Pyro pyrastri– Quercetum roboris Poluyanov 2012; Chamaecytiso ruthenici–Quercetum roboris Poluyanov 2012; Fritillario ruthenici-Quercetum roboris Onyschenko, Dyakova et Karpenko ex Goncharenko in Goncharenko et al. 2020, Melico pictae-Ulmetum minoris ass. nov. prov. from 2 classes: Carpino–Fagetea, Quercetea pubescentis and 2 unions: Aceri campestris-Quercion roboris and Scutellario altissimae-Quercion roboris. There are 67 rare plant species listed in the Red Books of the Rostov [1], Volgograd [2] and Voronezh [3] regions in the communities of these associations. Oak forests in the south of the European part of Russia significantly increase the biological diversity not only of the Don region, but also of the entire steppe zone of the country.

Highlights

The article presents the results of long-term research of ravine oak forests of the Rostov region.The term ‘bayrack’ forest is associated with the growing of forests of this type on the slopes of ravines in the forest-steppe zone
The border location of the communities contributed to the development of high biological diversity
European part of the country were a corridor between the forests of the Caucasus, Crimea and the forests of the European part of Russia

Summary

Introduction

The article presents the results of long-term research of ravine oak forests of the Rostov region.The term ‘bayrack’ (ravine) forest is associated with the growing of forests of this type on the slopes of ravines in the forest-steppe zone. Oak forests in the south of the European part of the country are unique and rare ecosystems. Taking into account the historical data on the distribution of forests in the south of the European part of the country: - the constant presence of thermophilic submediterranean: Buglossoides purpuro-caeruleum, Carex michelii, Dictamnus albus, Ligustrum vulgare, Melica picta; - south-siberian (Campanula glomerata, Carex pallescens, Fragaria viridis, Origanum vulgare, Rubus caesius, Veratrum lobelianum) species; - conclusions of Yu. D.

Results

Conclusion