No. of measured trees | 5 | 4 | 6 | 3 | 4 |
DBH (cm) | 48.3 ± 8.1 | 47.0 ± 7.0 | 85.3 ± 9.9 | 32.9 ± 4.5 | 40.6 ± 6.2 |
Height (m) | 16.2 ± 1.2 | 13.2 ± 2.2 | 19.3 ± 4.0 | 15.9 ± 0.7 | 17.1 ± 1.2 |
Year of planting | 1914 | 1914 | 1920 | 1920 | 1920 |
Name of the street | Lilienthalstr. | Sachsenwerkstr. | Robert-Berndt-Str. | Robert-Berndt-Str. | Krippenerstr. |
Height above mean sea level (a.s.l.) [m] | 119 | 119–120 | 120 | 120 | 119 |
Depth to groundwater table (Landeshauptstadt Dresden) [m] | 3–6 | 3–6 | 3–6 | 3–6 | 3–6 |
Soil texture | clay-loam | loam | clay-loam | clay-loam | sandy (loam) |
Soil compaction [40–60 cm soil depth] (Landeshauptstadt Dresden) | less | heavily | heavily | heavily | less |
pH value [30–50 soil depth] [± SD] | 6.6 ± 0.48 | 6.8 ± 0.32 | 6.8 ± 0.18 | 6.8 ± 0.41 | 5.9 ± 0.15 |
Porosity of the crown projection area [± SD] | 0.40 ± 0.11 | 0.35 ± 0.14 | 0.35 ± 0.10 | 0.15 ± 0.03 | 0.50 ± 0.16 |
Mean unsealed area of tree pit [m2 ± SD] | 3.56 ± 0.18 | 2.95 ± 0.81 | 3.28 ± 0.35 | 1.92 ± 0.45 | 2.63 ± 1.07 |
Renewal of the asphalt Pavement (Landeshauptstadt Dresden) [year] | 1993 | 1993 | 1995–1996 | 1995–1996 | 1995* |