d_age_determination
Last change: 2019.7
| CODE | DESCRIPTION | FROM_YEAR | TO_YEAR |
|---|---|---|---|
| 1 | Assured dates of stand establishment | 1984 | |
| 2 | Tree stumps | 1984 | |
| 3 | Age determination of the lowermost twigs (add estimated time it has taken to grow to that height) | 1984 | |
| 4 | Increment borer, stem discs (from similar sized trees/median sized trees) outside the plot | 1984 | |
| 5 | Assessment (impossible in most cases) | 1984 | |
| 6 | Estimation without any exact information | 1984 |