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 |