Abstract
In the Sokolsky district of the Vologda region of Russian Federation, the influence of continuous harvesting of
 wood in drained pine forests on the taxation and macrostructural parameters of common pine trees (Pinus sylvestris L.)
 was determined. The objects of the study are represented by pine forests: the main species is Scots pine (P. sylvestris L.)
 with an admixture of common spruce (Picea abies (L.) H. KARST.) and birch (Betula pendula Roth). The drained forest
 objects were selected after the continuous harvesting of wood and a control stand (without logging), temporary test areas
 (runway) were delimited. Drainage measures in experimental forests were carried out in 1972. Continuous logging was
 carried out in 2005 when skidding technological drags were attached to the main corridor at an angle of 45 degrees. The
 distribution of the number of P. sylvestris L. trees by thickness steps within the boundaries of the runway in 83% (p <
 0.05) of cases tends to normal. Average periodical growth of late wood P. sylvestris L. on the runway after drainage
 increased in the channel position by 30 % (tfact ≥ tst; 4.51 > 2.70; p < 0.01), and after intermittent logging increased by
 19 % (tfact ≥ tst; 1.99 > 1.71; p < 0.1). Carrying out continuous complex harvesting of wood in drained pine forests has a
 positive effect on increasing the stock (by 38%), while in stands without logging – by 28 %.
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