Hydrotechnical land reclamation as a way to increase pine productivity in the Sokolsky district of the Vologda region

The results of studies of pine forests at hydrometeorological and amelioration facilities in Sokolsky district of the Vologda region for 1983 and from 2008 to 2019 are presented. The main aspects considered in this publication: the distribution of drained areas and stands on them in the study area, the allocation of terpentine by trees when counting, individual recording of phenotypic traits of trees, wood density and other parameters.