Free Access

Table I

Characteristics of the four regeneration patches under canopy (C) and in gaps (G) in the two plots, assessed during spring and summer 2005: range of relative irradiance values (RI), patch size, average seedling density, seedling height and diameter (mean ± SE) for each species.

Plot 1 Plot 2


C G C G
RI (min-max %) 4.3–6.8 24.0–36.8 3.0–7.2 35.9–49.9
Patch size (m2) 58.9 66.6 65.9 79.9
Average seedling density (m−2) 4.7 6.9 12.5 18.9
Diameter (mm)
A. pseudoplatanus 2.65 ± 1.55 4.46 ± 1.58 2.86 ± 1.37 2.68 ± 1.30
A. campestre 1.6 ± 0.93 3.21 ± 1.18 1.84 ± 0.94 1.62 ± 0.65
A. platanoides 2.16 ± 1.39 4.41 ± 1.57 2.00 ± 0.93 2.16 ± 1.20
F. sylvatica 4.86 ± 2.32 5.57 ± 2.36 5.89 ± 3.97 4.86 ± 2.59
Height (cm)
A. pseudoplatanus 43.3 ± 19.0 44.7 ± 21.9 21.5 ± 10.5 18.5 ± 11.2
A. campestre 17.6 ± 8.2 26.8 ± 13.9 13.1 ± 6.7 11.3 ± 4.7
A. platanoides 26.7 ± 17.7 34. ± 17.6 13.2 ± 7.2 13.5 ± 8.1
F. sylvatica 66.4 ± 32.0 71.2 ± 35.3 61.7 ± 40.9 51.4 ± 26.8