Abstract
The results of the study of the species composition dynamics in successive plant communities developing on the northern slopes of the coal mining spoils dating back to the 70s, 80s, 90s and 2000s years in the arid areas of Khakassia, are presented for the first time. During the first 10-15 years of revegetation there was an increase in taxonomic diversity in the successive plant assemblages. Endemic species of the Fabaceae family, common for the bunch grasses steppes and stony steppes of Khakassia, were not found on the northern spoil slopes. Mesoxerophytes were the most abundant ecological group. Drastic increase in the complexity of the successive plant assemblages in the arid areas of Khakassia was found to take place after 25-30 years of revegetation.
Highlights
Due to the surface coal mining huge areas become severely disturbed by such technogenic impact
Decreasing the negative effect is possible by restoring vegetation cover and biological productivity of the disturbed territories
Plant cover that develops during revegetation of the spoils somewhat mitigates such negative effects
Summary
Due to the surface coal mining huge areas become severely disturbed by such technogenic impact. Decreasing the negative effect is possible by restoring vegetation cover and biological productivity of the disturbed territories. Development of plant cover during revegetation of the coal mining soils has been receiving much attention of researchers in many countries [1, 2, 3, 4]. Coal mines in Khakassia are located along the routes of inverse aerial mass movement, bringing with them into the Chernogorsk and Abakan hollows, as well as other areas, plenty of dust from the explosive surface openings. Plant cover that develops during revegetation of the spoils somewhat mitigates such negative effects
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