Perceived benefits and annoyances of elm and planetree.
| Trail | Elm N=96 | Plane N=108 |
|---|---|---|
| Mean rating* | ||
| Benefit | ||
| gives shade | 3.8 | 3.7 |
| pleasing to the eye | 3.6 | 3.6 |
| marks change in seasons | 2.9 | 2.8 |
| slows wind speed | 2.7 | 2.3 |
| increases privacy | 2.6 | 2.1 |
| reduces noise | 2.6 | 2.3 |
| increases property values | 2.4 | 3.1 |
| fall color | 2.4 | 2.4 |
| flowers on tree | 1.4 | 1.2 |
| Annoyance | ||
| insects in tree | 2.8 | 1.5 |
| diseases on tree | 2.5 | 1.8 |
| fallen leaves in autumn | 2.4 | 2.6 |
| sap drips | 2.4 | 1.4 |
| falling limbs | 2.3 | 2.3 |
| leaves fall continuously in summer | 2.2 | 2.0 |
| roots too close to surface | 2.0 | 2.0 |
| sidewalk damaged by roots | 2.0 | 2.0 |
| causes allergies | 1.6 | 1.6 |
| branches and suckers at base | 1.6 | 1.2 |
| fruit or seed pods fall | 1.5 | 1.7 |
| roots clog sewers | 1.5 | 1.3 |
| roots send up suckers | 1.5 | 1.2 |
| flower parts fall | 1.3 | 1.2 |
| mistletoe | 1.2 | 1.3 |
| makes street dark | 1.3 | 1.2 |
| blocks view | 1.2 | 1.1 |
| reduces personal security | 1.2 | 1.1 |
↵* Rated on a 4-point scale from major(4), moderate (3), minor (2), to no benefit or does not apply (1).