A contribution to creating groups of trees for forest valuation
M. Michalčíkhttps://doi.org/10.17221/4557-JFSCitation:Michalčík M. (2005): A contribution to creating groups of trees for forest valuation. J. For. Sci., 51: 177-185.
During the construction of model logging costs for valuation of forest stands, by accident I found out differences between some species included in the groups of tree species. Differences within the groups of species may cause errors in logging costs of some species, for example with hornbeam, all species of linden, all species of rowans and horse chestnut. With the help of simple calculations it was proved that the differences could be very large, that they were more than forty per cent, it means they were significant. On the basis of my further research it is envisaged to increase the number of groups of trees from 13 to 16. The purpose is to give the most accurate background to make up a model of logging costs. In the second step it is expected that the model can provide the results for more or fewer groups of trees more easily if statistical methods are used. But this problem is not a part of this paper.Keywords:
hornbeam; linden; rowan; horse chestnut; logging costs; groups of trees species