| Individual aging | Tree vigo (u)r | Growth environment | Drainage |
| Trunk rotting status | Light condition |
| Branches’ dead status | Air pollution |
| Tree hole | Soil thickness |
| Crack | Other tree species’ intrusion |
| Tree form | Stamping |
| Elongation and germination | Concrete cover |
| Density of branches and leaves | Biological diversity |
| Root competition |
| Leaves’ fallen status | Soil condition | Soil property |
| Bacterial diseases | Soil pH |
| Root pests | Soil moisture level |
| Soil organic matter |
| Diseases and insect pests | Boring pests |
| Soil total nitrogen |
| Defoliator | Soil effective phosphate |
| Fungal disease | Cation exchange capacity |
| Parasites Virus disease | Management status | Disease and insect pest control |
| Climate change | Thunder | Management cycle |
| Hail | Precision survey |
| Flood | Tree pruning |
| Drought | Management register | Tree's surgery |
| Strong wind | Nutrition supply |
| Ozone injury | Support structure |