Morphometric indicators of trees | Average value of indicators for the species with the error | Reliability of differences (Student's criterion) | ||
---|---|---|---|---|
calculated | tabular | |||
Diameter at chest height, cm | 6.77 ± 0.22 | 6.57 ± 0.3 | 0.5 | 2.6 |
Height, m | 5.26 ± 0.13 | 4.41 ± 0.14 | 4.5 | 2.6 |
Trunk volume, m3 | 0.01138 ± 0.001 | 0.00914 ± 0.001 | 1.8 | 2.6 |
Number of branches on the tree, pcs | 57.92 ± 1.39 | 46.02 ± 1.34 | 6.2 | 2.6 |
The life expectancy of the needles of the apical shoot, years | 5.41 ± 0.09 | 3.74 ± 0.07 | 14.7 | 2.6 |
The life span of the needles of the lateral shoot, years | 4.4 ± 0.06 | 3.42 ± 0.07 | 10.6 | 2.6 |