Restoration of vegetation around mining enterprises

Abstract

This paper is devoted to the restoration of vegetation around mining areas on the example of two land-reclamation zones in the Borodinsky coal mine during spring-summer of 2011–2021. Analysis of vegetation in this area has shown that indicators of spontaneous plant diversity in plots No. 1 and No. 2 were considered moderate in both layers (H < 2.5). Underwood and seeding diversity indices at pre-mining sites were ranked high, reaching 4.01–4.25 and 3.78–3.82, respectively. The analysis of the biological diversity of the flora in the undergrowth of the 12-year-old plot revealed approximately 29 spontaneous plant species belonging to 25 genera and 18 families. The most significant number of species found was found from the family Euphorbia, Cereals, and Legumes. At the 18-year-old site, the number and diversity of plant species (38 species) belonging to 38 genera and 27 families are slightly larger, with the most significant number of species within Euphorbiaceae and Poaceae, Asteraceae, Rubiaceae and Leguminosae. Saplings of various tree species from the Euphorbia and Leguminous family, such as Euphorbia cyparissias L., E. fischeriana Steud., Desmodium triflorum L., Indigofera gerardiana (Wall.) Baker, Robinia viscosa Vent. grew well in both plots. Many other spontaneous species of trees were also found in small populations at the 18-year-old site, namely, Pinus sylvestris L., Salix alba L., Populus alba L., and P. tremula L. In contrast to the younger site, some seedlings of small trees like S. alba and P. tremula and terrestrial ferns such as common bracken (Pteridium aquilinum (L.) Kuhn) and adiantum capillus-veneris L. prevailed in the older site.

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