From: Potential use of hyperspectral data to classify forest tree species
Forest area (ha) | 19,000 |
Total area (ha) | 48,000 |
Forest area (FA)/total area (TA) % | 39.6 |
Mean FA/TA in Poland % | 29.1 |
Abundance of forest site types (%) | |
 Fresh* mixed forest | 42 |
 Fresh* deciduous forest | 23 |
 Fresh* mixed coniferous forest | 22 |
 Other forest types | 13 |
Abundance of forest species group types (%) | |
 Coniferous trees | 71 |
 Deciduous trees | 29 |
Most common tree species (%) | |
 Scots pine (Pinus sylvestris L.) and European larch (Larix decidua L.) | 71 |
 European beech (Fagus sylvatica L.) | 12 |
 Grey alder (Alnus glutinosa L.) | 6 |
 Birch species (Betula spp. L.) | 5 |
 Oak species (Quercus spp. L.) | 4 |
 Norway spruce (Picea abies L.) | 1 |
 Other (e.g. hornbeam Carpinus betulus L.) | 1 |
Age classes (%) | |
 I (0–20) | 7 |
 II (20–40) | 14 |
 III (40–60) | 23 |
 IV (60–80) | 17 |
 V (80–100) | 17 |
 VI (100–120) | 8 |
 VII (120–140) | 7 |
 VII + (> 140) | 7 |
Mean volume for species (m3/ha) | |
 Scots pine (Pinus sylvestris L.) | 241 |
 Norway spruce (Picea abies L.) | 216 |
 European beech (Fagus sylvatica L.) | 260 |
 Oak species (Quercus spp. L.) | 310 |