The Forestry and Game Management Research Institute;
Research Station at Opocno;
Na Olive 550;
51773 Opocno;
Czech Republic;
The Department of Silviculture and Forest Establishment;
Faculty of Forestry and Wood Technology;
Mendel University;
Zemedelska 3;
61300 Brno;
Czech Republic;
Leaf; area; index; Specific; leaf; area; Litter; trap; Needle; technique; LAI-2000; PCA;