According to the results of the analysis of the Production Association ‘Ukrderzhlisproekt’ Database, the growth course of modal coppice stands of the European aspen in fresh and moist fertile site types was modelled by natural zones. It was found that modal coppice stands of the European aspen in fertile conditions grow up as the 1st productivity class, and at the age of 70 their stock reaches 345 m3 ha-1 in Polissia, 320 m3 ha-1 in Forest-Steppe and 270 m3 ha-1 in Steppe. The stands in fresh and moist fertile site types were confirmed to be more productive than those in the relevant hydrotopes of fairly fertile forest sites. The difference between the stand stocks was determined. The difference is 1–2 % in Eastern Polissia; it increases to 11–15 % in Forest-Steppe and is 3–9 % in Steppe. The quantitative maturity age of European aspen stands was determined. In both forest site types it makes 25–30 years.
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