Table 1: Tree parameters (mean ± s.e.) at the beginning of the study and after one year for unpollarded (UP) and pollarded (P) trees.
|
Treatment |
Tree clones |
Initial |
One year after pollarding |
|||||||
|
Increment |
Resprouting |
|||||||||
|
DBH (cm) |
Height (m) |
Biomass above pollarding height (kg DM/tree) |
DBH (cm) |
Height (m) |
Number of shoots |
Shoots >2 mm basal diameter (% of all shoots) |
Total basal diameter (mm) (of shoots >2 mm basal diameter) |
Longest shoot (m) |
||
|
UP |
Kawa |
33.5 |
17.5 |
|
4.9 |
0.8 |
|
|
|
|
|
Shinsei |
35.2 |
15.2 |
|
2.9 |
1.5 |
|
|
|
|
|
|
Weraiti |
34.6 |
18.1 |
|
4.1 |
0.6 |
|
|
|
|
|
|
mean |
34.4±0.5a |
16.9 ±0.8a |
--- |
3.9±0.6a |
0.9±0.3a |
--- |
--- |
--- |
--- |
|
|
P |
Kawa |
32.2 |
18.3 |
301 |
0.4 |
3.2 |
64 |
25 |
460 |
3.2 |
|
Shinsei |
37.5 |
14.8 |
143 |
1.5 |
3.2 |
44 |
52 |
656 |
3.2 |
|
|
Weraiti |
25.7 |
21.1 |
331 |
0.0 |
1.9 |
33 |
9 |
64 |
1.9 |
|
|
mean |
31.8 ±3.4a |
18.1±1.8a |
258±58 |
0.6±0.5b |
2.8±0.4b |
47±9.07 |
28.6±12.5 |
393±174 |
2.8±0.43 |
|