Medžių vilkų augimo ypatumai pušies (Pinus Sylvestris L.) jaunuolynuose

Abstract

The study was performed at the Dubrava Experimental and Training Forest Enterprise.The study was carried out in Scots pine stands (Pinus sylvestris L.). The aim was to find out wolf trees growth patterns in young Scots Pine stands. Maximum age of the stands was 20 years. In each stand were indentified all wolf trees, and near them growing 10 competitive trees. From each of them were taken annual ring samples, and the growth patterns of each tree were analyzed using TsapWin program. The results showed that the wolf trees starts to grow faster than trees of other classes during first years. The increment remains bigger about 10-11 years, than starts to decrease. After 15 years the increment is lower than normally developing trees