Ecological phytocoenotic groups of the deposits' vegetation at their reestablishment

The article considers the issues of transformation of the deposits' vegetation during their successional process with the age of the deposits, “predecessor”, types and subtypes of soils, in steppe zone of the South Urals (Orenburg region). The authors highlighted in the composition of different types of deposits phytocoenotic groups of vegetation, including eight major formations, nine classes of associations and twenty six groups of associations.