Number and percent of each species of original trees in 1990 compared to number and percent of each species in 2020. Number and percent of each colonizing species shows the effect of colonizers on 2020 species composition.
| Species | Number (%) 1990 Forest Composition | Number (%) 2020 Forest Composition | Number (%) of Colonizers |
|---|---|---|---|
| Fraxinus americana | 377 (25.1) | 526 (33.1) | 229 (32.4) |
| Juglans nigra | 369 (24.6) | 215 (13.5) | 21 (3.0) |
| Quercus macrocarpa | 228 (15.2) | 134 (8.4) | 9 (1.3) |
| Quercus alba | 204 (13.6) | 126 (7.9) | 19 (2.7) |
| Acer saccharum | 151 (10.0) | 83 (5.2) | 25 (3.5) |
| Acer rubrum | 72 (4.8) | 66 (4.2) | 3 (0.4) |
| Prunus americana | 40 (2.7) | 72 (4.5) | 70 (9.9) |
| Ostrya virginiana | 25 (1.7) | 20 (1.3) | 18 (2.5) |
| Quercus rubra | 20 (1.3) | 63 (4.0) | 50 (7.1) |
| Tilia americana | 17 (1.1) | 64 (4.0) | 50 (7.1) |
| Prunus serotina | 3 (0.2) | 25 (1.6) | 23 (3.3) |
| Ulmus americana | 0 (0.0) | 69 (4.3) | 68 (9.6) |
| Acer negundo | 0 (0.0) | 52 (3.3) | 52 (7.4) |
| Populus tremuloides | 0 (0.0) | 42 (2.6) | 42 (5.9) |
| Carya cordiformis | 0 (0.0) | 20 (1.3) | 18 (2.5) |
| Gleditsia triacanthos | 0 (0.0) | 4 (0.3) | 4 (0.6) |
| Ulmus rubra | 0 (0.0) | 4 (0.3) | 4 (0.6) |
| Juglans cinerea | 0 (0.0) | 1 (0.1) | 1 (0.1) |
| Ulmus thomasii | 0 (0.0) | 1 (0.1) | 1 (0.1) |
| Total # of Trees | 1,506 | 1,587 | 707 |
| Tree/ha | 941 | 992 | 442 |