Proportion of the ground area covered by tree crowns according to the aerial photo interpretation – in five 20-percent classes. The percentage is calculated using the 25 grid points on the interpretation area (50 × 50 m). Reference: aerial photo interpretation
| Code | Text | NFI1 | NFI2 | NFI3 | NFI4 | NFI4b | NFI5 |
|---|---|---|---|---|---|---|---|
| -1 | n/a | x | x | x | x | x | |
| 1 | 0-20% | x | x | x | x | x | |
| 2 | 21-40% | x | x | x | x | x | |
| 3 | 41-60% | x | x | x | x | x | |
| 4 | 61-80% | x | x | x | x | x | |
| 5 | >80% | x | x | x | x | x |
last calculated: 08.02.2025 12:40:41