Scoring system adopted by ICP forests to identify the part of the trees affected by symptoms and signs of biotic and abiotic origin. (International Co-operative Programme on Assessment and Monitoring of Air Pollution Effects on Forests (ICP Forests, 2010))
Link to this table.
| Affected part | Specification of affected part | Code | Location in crown | Code |
|---|---|---|---|---|
| Leaves/needles | Current needle year | 11 | Upper crown | 1 |
| Older needles | 12 | lower crown | 2 | |
| Needles of all ages | 13 | Patches | 3 | |
| Broadleaves (incl. evergreen spec.) | 14 | Total crown | 4 | |
| Branches, shoots and buds | Current year shoots | 21 | Upper crown | 1 |
| Twigs (diameter < 2 cm) | 22 | lower crown | 2 | |
| Branches diameter 2 to < 10cm | 23 | Patches | 3 | |
| Branches diameter >= 10cm | 24 | Total crown | 4 | |
| varying size | 25 | |||
| Top leader shoot | 26 | |||
| Buds | 27 | |||
| Stem and collar | Crown stem: main trunk or bole within the crown | 31 | ||
| Bole: trunk between the collar and the crown | 32 | |||
| Roots (exposed) and collar (<= 25cm height) | 33 | |||
| Whole trunk | 34 | |||
| Dead tree | 04 | |||
| No symptoms on any part of tree | 00 | |||
| No assessment | 09 |
This page was last edited on 3 August 2022, at 13:04.