Categories that emerged from the responses from the first round to the question about urban tree species characteristics related to their tolerances to urban stressors.
| Categories (examples) | Retained/omitted in subsequent round |
|---|---|
| Climate (e.g., summer heat) | Omitted |
| Tree management (e.g., pruning) | Omitted |
| Site conditions (e.g., soil) | Omitted |
| Origin (native or non-native) | Retained |
| Growth strategies (fast vs. slow growth) | Retained |
| Leaves (e.g., leaf form, shape, surface characteristics) | Retained |
| Roots (e.g., deep vs. shallow root systems) | Retained |
| Other (e.g., health status) | Retained |