Mechanical damage | ||||
---|---|---|---|---|
Tree Species | Ant nest | + | - | Fisher’s P |
Acer saccharinum (silver maple) | + | 16 | 7 | 0.55 |
- | 1 | 1 | ||
Quercus alba (white oak) | + | 13 | 6 | 0.13 |
- | 0 | 2 | ||
Fraxinus americana (ash) | + | 15 | 7 | 0.29 |
- | 1 | 2 | ||
Malus spp. (crab apple) | + | 11 | 5 | 0.30 |
- | 1 | 2 | ||
Acer rubrum (red maple) | + | 19 | 11 | 0.05 |
- | 1 | 5 | ||
Acer platanoides (Norway maple) | + | 41 | 18 | 0.02 |
- | 4 | 8 | ||
Tilia americana (basswood) | + | 16 | 9 | 0.12 |
- | 3 | 6 | ||
Ulmus rubra (elm) | + | 7 | 4 | 0.65 |
- | 3 | 2 | ||
Quercus rubra (red oak) | + | 18 | 8 | 0.03 |
- | 6 | 11 | ||
Pinus strobus (white pine) | + | 0 | 0 | — |
- | 6 | 10 | ||
All species | + | 156 | 75 | <0.01 |
- | 26 | 49 |