Abstract
The results of field studies in 2018 and 2019 at the pilot production site on the territory of the external dump “Zarechny” of JSC SUEK-Kuzbass are presented. The ecological and coenotic characteristics of plant communities formed in the areas with the filling of the fertile soil layer (FSL) (0.5 m thickness), with the application of potentially fertile rocks (PFR) (1 m thickness), in the area with the filling of technogenic eluvium, as well as in the area with the layer-by-layer filling of PFR (0.6 m thickness) and FSL (0.4 m thickness) were studied. Geobotanical descriptions were carried out according to standard methods, taking into account iterations. It is established that in the first years after the end of the formation of the pilot production site, the number of herbaceous plant species increases in all areas. However, the use of lithogenic resources in the frame of reclamation accelerates the development of plant communities on man-made landscapes, but does not allow reaching the stages of zonal formations.
Highlights
The formation of vegetation cover on man-made landscapes, under favorable conditions, almost begins in the year of the end of the dump filling
As shown by researchers [2, 3], the use of such lithogenic resources as the fertile soil layer (FSL) or potentially fertile rocks (PFR) can significantly improve the physical and chemical properties of the habitat, which contributes to the development of successional processes
In order to identify the features of the initial stages of the formation of vegetation cover on the dump, experimental sites were formed through different combinations of FSL and PFR: option I - application of FSL with a thickness of 0.5 m; option II – control, material of the dump; option III application of PFR with a thickness of 1 m; option IV – layer-by-layer application of PFR with a thickness of 0.6 m and FSL with a thickness of 0.4 m. [4]
Summary
The formation of vegetation cover on man-made landscapes, under favorable conditions, almost begins in the year of the end of the dump filling. First of all, weed species (pioneers) settle [1]. On dumps made of coarse-grained rocks, natural overgrowth is very slow or does not occur at all. As shown by researchers [2, 3], the use of such lithogenic resources as the fertile soil layer (FSL) or potentially fertile rocks (PFR) can significantly improve the physical and chemical properties of the habitat, which contributes to the development of successional processes. The projective coverage of the plots differs and depends on the species composition of the plants and the soil substrate. The purpose of this work is to identify the features of the initial stages of the formation of vegetation cover on different substrates
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