Field data included by practitioner-based urban tree monitoring programs (n = 45).
| Data collected | Percent of total |
|---|---|
| Tree characteristics | |
| Species | 96% |
| Health condition rating | 89% |
| Mortality status | 76% |
| Diameter at breast height | 71% |
| Specific health problems | 67% |
| Height | 38% |
| Canopy width | 31% |
| Canopy dieback | 27% |
| Maintenance issues | |
| Pruning | 56% |
| Watering | 47% |
| Mulching | 47% |
| Infrastructure conflicts | 42% |
| Staking | 36% |
| Other tree care issues | 9% |
| Site characteristics | |
| Location type | 47% |
| Land use | 36% |
| Ground cover | 27% |
| Soil characteristics | 13% |
| Canopy cover | 4% |
| Other site characteristics | 13% |
| Other | 13% |