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Table I
Main stand variables of plots used to fit the equation (9) (data from 2nd SNFI). N - Natural stands; P - Plantation stands.
Species | Region | Origin | No.plots | Statistic | No. | Hdom | Dg | G | |
---|---|---|---|---|---|---|---|---|---|
No.plots | trees ha−1 | (m) | (cm) | (m2 ha−1) | |||||
N | 164 | Mean | 733 | 17.9 | 29.5 | 36.3 | |||
1 | std | 657.5 | 4.7 | 9.7 | 12.3 | ||||
Min | 129 | 8.2 | 10.9 | 16.9 | |||||
Max | 5126 | 28.2 | 51.8 | 84.5 | |||||
pinus sylvestris | P | 98 | Mean | 1452 | 10.6 | 17.9 | 32.7 | ||
std | 659.3 | 2.9 | 4.6 | 11.2 | |||||
Min | 349 | 5.9 | 9.7 | 15.2 | |||||
Max | 3547 | 20.5 | 37.1 | 60.8 | |||||
N | 304 | Mean | 755 | 16.4 | 27.9 | 35.9 | |||
2 | std | 534.6 | 4.0 | 8.4 | 11.9 | ||||
Min | 130 | 5.0 | 10.8 | 15.7 | |||||
Max | 3530 | 27.8 | 51.5 | 76.5 | |||||
P | 164 | Mean | 1379 | 11.5 | 19.3 | 31.8 | |||
std | 732.5 | 4.1 | 7.3 | 10.7 | |||||
Min | 268 | 5.2 | 9.7 | 14.9 | |||||
Max | 3756 | 22.7 | 40.8 | 59.8 | |||||
1 | 193 | Mean | 738 | 8.1 | 13.3 | 8.3 | |||
Quercus pyrenaica | std | 759.8 | 2.5 | 6.0 | 7.4 | ||||
Min | 78 | 3.6 | 7.6 | 0.6 | |||||
Max | 4170 | 16.9 | 50.3 | 34.0 | |||||
2 | 388 | Mean | 862 | 8.7 | 14.7 | 12.2 | |||
std | 724.0 | 2.9 | 7.3 | 9.2 | |||||
Min | 79 | 2.5 | 7.5 | 0.6 | |||||
Max | 3756 | 17.4 | 51.8 | 45.9 |