Mean values and standard deviation of age, diameter at breast height (DBH), tree height (TH), crown diameter (CD), crown length (CL), crown projection area (CPA), crown volume (CV), and tree pit, together with the sample size (n) of each species (A. hippocastanum, P. × hispanica, R. pseudoacacia, and T. cordata) in the chosen cities of Bayreuth, Hof, Kempten, Munich, Nuremberg, and Würzburg.
| n | Age (years) | DBH (cm) | TH (m) | CD (m) | CL (m) | CPA (m2) | CV (m3) | Tree pit (m2) | |
|---|---|---|---|---|---|---|---|---|---|
| A. hippocastanum | 590 | 67.93 ± 31.9 | 50.1 ± 21.7 | 14.4 ± 4.7 | 9.7 ± 3.1 | 11.4 ± 4.4 | 81.7 ± 48.0 | 1,081.5 ± 927.8 | 101.9 ± 105.3 |
| Bayreuth | 102 | 62.8 ± 31.9 | 42.8 ± 19.9 | 15.0 ± 5.9 | 9.3 ± 3.6 | 11.7 ± 5.5 | 77.7 ± 56.1 | 1,147.1 ± 1,183.3 | 136.7 ± 107.0 |
| Hof | 65 | 53.4 ± 25.3 | 40.7 ± 18.1 | 12.3 ± 4.1 | 7.8 ± 2.6 | 9.1 ± 3.9 | 53.2 ± 33.0 | 583.7 ± 546.4 | 116.8 ± 100.7 |
| Kempten | 55 | 60.8 ± 41.4 | 44.5 ± 28.9 | 12.6 ± 4.8 | 9.2 ± 3.6 | 10.0 ± 4.5 | 75.9 ± 52.6 | 958.4 ± 997.5 | 105.8 ± 94.1 |
| Munich | 231 | 83.8 ± 24.6 | 63.3 ± 14.8 | 16.1 ± 3.5 | 11.0 ± 2.2 | 12.8 ± 3.4 | 99.4 ± 39.9 | 1,339.2 ± 780.1 | 32.7 ± 25.3 |
| Nuremberg | 62 | 56.1 ± 31.9 | 41.2 ± 20.3 | 13.0 ± 4.4 | 9.1 ± 3.2 | 10.2 ± 4.2 | 72.9 ± 53.0 | 917.3 ± 1,053.8 | 170.7 ± 135.6 |
| Würzburg | 75 | 53.7 ± 28.8 | 38.6 ± 19.3 | 13.0 ± 4.7 | 8.9 ± 2.8 | 10.3 ± 4.0 | 69.0 ± 43.1 | 856.3 ± 789.3 | 202.6 ± 102.0 |
| P. × hispanica | 448 | 37.51 ± 20.2 | 37.1 ± 20.0 | 15.7 ± 5.2 | 11.2 ± 4.5 | 12.2 ± 5.1 | 113.7 ± 88.2 | 1,759.8 ± 2,049.3 | 285.1 ± 654.1 |
| Bayreuth | 103 | 41.23 ± 23.1 | 40.8 ± 22.9 | 16.7 ± 5.7 | 12.1 ± 5.1 | 12.8 ± 5.7 | 136 ± 104.2 | 2,232.1 ± 2,513.8 | 96.9 ± 91.4 |
| Hof | 33 | 18.5 ± 6.9 | 18.3 ± 6.8 | 10.4 ± 2.4 | 6.0 ± 2.3 | 7.3 ± 1.8 | 31.9 ± 25.5 | 264.8 ± 266.3 | 38.0 ± 64.9 |
| Kempten | 39 | 29.1 ± 11.5 | 28.8 ± 11.4 | 14.0 ± 3.8 | 9.8 ± 3.1 | 10.7 ± 3.4 | 83.4 ± 48.1 | 1,028.1 ± 816.3 | 57.0 ± 57.3 |
| Munich | 111 | 39.5 ± 20.6 | 39.1 ± 20.4 | 16.0 ± 4.9 | 11.6 ± 4.7 | 12.5 ± 5.2 | 123.1 ± 95.9 | 1,983.5 ± 2,117.8 | 874.7 ± 1,111.5 |
| Nuremberg | 82 | 46.6 ± 21.1 | 46.1 ± 20.9 | 18.1 ± 5.5 | 11.9 ± 4.2 | 14.6 ± 5.5 | 125.4 ± 89.2 | 2,192.5 ± 2,425.4 | 96.6 ± 114.0 |
| Würzburg | 79 | 33.1 ± 12.6 | 37.3 ± 21.2 | 15.7 ± 4.6 | 11.9 ± 4.0 | 12.1 ± 4.3 | 124.1 ± 87.5 | 1,836.6 ± 2,325.3 | 116.3 ± 102.9 |
| R. pseudoacacia | 412 | 39.5 ± 18.2 | 39.7 ± 18.3 | 14.5 ± 4.7 | 9.1 ± 2.9 | 10.7 ± 4.0 | 70.9 ± 44.8 | 873.9 ± 816.5 | 103.4 ± 102.1 |
| Bayreuth | 100 | 39.6 ± 14.2 | 39.7 ± 14.2 | 15.7 ± 5.0 | 9.3 ± 2.2 | 11.4 ± 4.1 | 72.5 ± 32.4 | 885.1 ± 625.1 | 122.1 ± 106.8 |
| Hof | 17 | 21.8 ± 13.6 | 21.9 ± 13.7 | 9.7 ± 3.3 | 6.1 ± 2.4 | 7.0 ± 2.8 | 31.0 ± 29.7 | 280.8 ± 427.1 | 93.9 ± 85.8 |
| Kempten | 38 | 39.3 ± 17.6 | 39.4 ± 17.6 | 14.4 ± 4.7 | 9.7 ± 2.8 | 11.4 ± 4.2 | 80.0 ± 39.2 | 1,027.8 ± 673.7 | 127.2 ± 90.9 |
| Munich | 106 | 35.5 ± 19.6 | 35.6 ± 19.8 | 13.9 ± 4.7 | 8.0 ± 2.8 | 9.6 ± 3.9 | 56.0 ± 36.3 | 669.6 ± 640.6 | 99.2 ± 93.2 |
| Nuremberg | 62 | 45.2 ± 15.1 | 45.4 ± 15.2 | 14.1 ± 3.8 | 9.5 ± 2.6 | 10.5 ± 3.2 | 76.2 ± 42.2 | 878.4 ± 694.0 | 94.0 ± 101.1 |
| Würzburg | 89 | 43.9 ± 20.4 | 44.1 ± 20.4 | 15.4 ± 4.7 | 10.0 ± 3.1 | 11.8 ± 4.1 | 86.3 ± 52.7 | 1,164.1 ± 1,072.1 | 111.0 ± 118.0 |
| T. cordata | 553 | 44.3 ± 21.8 | 33.0 ± 17.2 | 13.0 ± 4.5 | 8.1 ± 3.1 | 9.6 ± 4.1 | 58.7 ± 42.6 | 705.8 ± 790.3 | 321.7 ± 1,932.4 |
| Bayreuth | 108 | 52.0 ± 29.6 | 38.8 ± 23.3 | 14.0 ± 6.1 | 8.7 ± 3.7 | 10.1 ± 5.5 | 70.7 ± 56.7 | 944.4 ± 1,135.5 | 98.7 ± 96.9 |
| Hof | 62 | 36.9 ± 14.2 | 27.4 ± 11.6 | 11.3 ± 3.3 | 6.8 ± 2.2 | 8.0 ± 2.9 | 39.9 ± 23.7 | 372.3 ± 324.3 | 567 ± 82.2 |
| Kempten | 61 | 45.2 ± 18.2 | 33.7 ± 14.6 | 13.4 ± 8.9 | 8.3 ± 2.5 | 10.2 ± 3.4 | 59.6 ± 32.1 | 698.9 ± 521.9 | 89.3 ± 104.9 |
| Munich | 159 | 42.5 ± 19.3 | 31.4 ± 15.2 | 12.9 ± 4.1 | 7.6 ± 2.9 | 9.6 ± 3.7 | 52.3 ± 38.0 | 617.3 ± 678.1 | 877.5 ± 3,537.1 |
| Nuremberg | 77 | 46.4 ± 21.7 | 34.5 ± 16.9 | 13.5 ± 4.3 | 8.7 ± 2.8 | 10.2 ± 3.8 | 65.3 ± 40.7 | 806.6 ± 821.1 | 106.4 ± 107.4 |
| Würzburg | 86 | 41.0 ± 19.1 | 30.5 ± 15.3 | 12.2 ± 4.6 | 8.3 ± 3.1 | 9.3 ± 3.9 | 62.1 ± 42.8 | 723 ± 725.6 | 115.6 ± 101.5 |