Table 3 Number of plots (n), number of regions of provenance (Prov) considered in this study and mean values of number of adult trees per hectare (N), mean diameter of the adult trees (Dn in cm), mean height of adult trees (H in m), basal area (G in m2 ha−1), number of seedlings per hectare (Nse), number of saplings per hectare (Nsa), shrub coverage (ShCov in %), and number of shrub species (Rshrub) for the regions of provenance of the 10 studied species
From: National scale variability in forest stand variables among regions of provenances in Spain
Species | n | Prov | N | Dn | H | G | Nse | Nsa | ShCov | Rshrub |
|---|---|---|---|---|---|---|---|---|---|---|
Pinus sylvestris | 3858 | 15 | 661 (515) | 21.1 (7.2) | 10.2 (3.4) | 21.8 (13.6) | 7609 (5411) | 777 (1144) | 32.5 (28.7) | 4 (2) |
Pinus nigra | 2825 | 8 | 560 (545) | 20.3 (8.6) | 8.7 (3.0) | 14.4 (10.8) | 6715 (4546) | 636 (866) | 44.3 (28.9) | 5 (3) |
Pinus pinaster | 4104 | 21 | 464 (451) | 23.7 (9.0) | 11.0 (4.2) | 17.7 (13.2) | 2941 (2837) | 419 (876) | 64.8 (45.1) | 5 (3) |
Pinus pinea | 1454 | 6 | 268 (279) | 26.8 (11.2) | 8.8 (3.1) | 11.6 (8.1) | 2310 (2467) | 183 (483) | 41.8 (36.3) | 5 (3) |
Pinus halepensis | 8649 | 20 | 357 (337) | 19.4 (7.3) | 7.9 (2.7) | 9.0 (7.2) | 4205 (3723) | 408 (654) | 68.2 (35.6) | 8 (4) |
Quercus pyrenaica | 2747 | 16 | 607 (646) | 19.3 (13.1) | 8.7 (2.8) | 11.2 (9.9) | 4260 (2774) | 895 (1371) | 48.4 (37.2) | 4 (2) |
Quercus faginea | 1268 | 12 | 543 (597) | 17.8 (14.0) | 6.7 (2.4) | 8.5 (8.4) | 7642 (4542) | 1142 (1381) | 49.6 (32.7) | 5 (3) |
Quercus suber | 1447 | 9 | 253 (322) | 30.1 (15.2) | 7.6 (2.3) | 11.6 (8.4) | 3969 (3634) | 268 (649) | 68.7 (44.4) | 7 (4) |
Quercus ilex | 10,582 | 23 | 343 (539) | 25.8 (17.3) | 6.1 (1.8) | 6.5 (6.1) | 4037 (3959) | 774 (1418) | 36.1 (36.3) | 4 (3) |
Fagus sylvatica | 2115 | 12 | 570 (512) | 28.2 (14.7) | 15.5 (5.2) | 25.5 (11.4) | 3438 3290) | 657 (1224) | 17.0 (24.2) | 2 (2) |