Division II.4 Parameters to be measured
United Kingdom
| Mandatory parameters | Optional parameters | |
|---|---|---|
| Periodic measurements | Tree species | Bark |
| Diameter at breast height (DBH) | Tree height (on all trees) | |
| Tree height | Crown height (on all trees) | |
| Height to crown base on a sub-sample of trees in the plot | Crown width | |
| Information on management operations | Volume estimates | |
| Tree ring analysis | Ring width | |
| History of the tree diameter under bark in five years intervals | ||
| Basal area and volume estimates |