DBH size class distributions of Norway maple (Acer platanoides) and London planetree (Platanus × acerifolia) from 1987 to 2019.
Norway maple | 1987 | 1996 | 2006 | 2013 | 201 |
---|---|---|---|---|---|
0-15.2 cm | 28.53% | 6.57% | 3.57% | 0.84% | 0.79% |
15.2-30.5 cm | 35.47% | 39.00% | 29.64% | 14.73% | 12.46% |
30.5-45.7 cm | 18.11% | 33.76% | 40.48% | 44.78% | 40.14% |
45.7-61.0 cm | 11.11% | 14.10% | 18.93% | 28.45% | 34.25% |
61.0-76.2 cm | 4.17% | 5.06% | 5.54% | 8.84% | 10.11% |
76.2-91.4 cm | 1.66% | 1.15% | 1.43% | 1.68% | 1.47% |
91.4-106.7 cm | 0.85% | 0.36% | 0.42% | 0.51% | 0.39% |
> 106.7 cm | 0.11% | 0.00% | 0.00% | 0.17% | 0.39% |
London planetree | 1987 | 1996 | 2006 | 2013 | 2019 |
0-15.2 cm | 3.17% | 53.87% | 49.36% | 15.34% | 18.69% |
15.2-30.5 cm | 31.75% | 2.95% | 10.58% | 35.78% | 26.79% |
30.5-45.7 cm | 23.81% | 12.18% | 9.62% | 14.38% | 18.07% |
45.7-61.0 cm | 13.49% | 11.81% | 9.29% | 7.99% | 9.35% |
61.0-76.2 cm | 11.90% | 7.38% | 8.97% | 8.31% | 6.85% |
76.2-91.4 cm | 7.94% | 4.80% | 5.13% | 8.95% | 10.90% |
91.4-106.7 cm | 4.76% | 5.17% | 4.81% | 4.47% | 3.43% |
> 106.7 cm | 3.17% | 1.85% | 2.24% | 4.79% | 5.92% |