Research Article
Sensitivity of Beech Trees to Global Environmental Changes at Most North-Eastern Latitude of Their Occurrence in Europe
Table 1
Main dendrometric characteristics of the monitored stands.
| | Site | Level | Tree species | Number of trees | Age | Diameter | Height | Stocking | Sum of basal area | Volume | Defoliation | | | | unit/ha | year | cm | m | | m2/ha | m3/ha | % |
| | B 1 | I | B | 440 | 75 | 25.1 | 25.8 | 0.50 | 25.0 | 295.8 | 9.1 | | B 1 | | | | | | | 0.50 | 25.0 | 295.8 | | | B 2 | I | Q | 280 | 105 | 38.1 | 29.5 | 0.70 | 33.6 | 447.2 | 34.1 | | B 2 | II | B | 710 | 70 | 16.3 | 23.4 | 0.30 | 16.2 | 180.2 | 13.1 | | B 2 | | | | | | | 1.0 | 49.8 | 627.4 | | | B 3 | I | P | 205 | 125 | 43.1 | 33.2 | 0.55 | 31.5 | 467.5 | 22.6 | | B 3 | II | B | 255 | 70 | 25.5 | 30.3 | 0.25 | 14.5 | 199.1 | 11.7 | | B 3 | II | A | 75 | | 31.1 | 28.1 | 0.10 | 6.2 | 81.5 | 22.6 | | B 3 | II | Ot. sp. | 75 | | 30.9 | 30.2 | 0.10 | 5.6 | 70.5 | 22.6 | | B 3 | | | | | | | 1.0 | 57.8 | 818.6 | | | B 4 | I | P | 840 | 70 | 16.1 | 24.3 | 0.60 | 19.1 | 220.6 | 14.3 | | B 4 | II | B | 720 | 70 | 17.6 | 25.6 | 0.40 | 19.8 | 237.7 | 12.6 | | B 4 | | | | | | | 1.0 | 39.0 | 458.3 | |
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Note: Tree species: B: Fagus sylvatica; P: Pinus sylvestris; Q: Quercus robur; A: Acer platanoides, Ot.sp.: other species: Fraximus excelsior, Tilia cordata, Quercus robur, and Picea abies.
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