A computer model for evaluation of cutting volumesregarding future forest stand development

A prediction of future development for different sizes of forest properties and time scales was made as well as a computer algorithm for the simulation of future forest stand development. With the aid of the algorithm, we calculated the future situation of growing stock for a basic simulation unit of a forest section. The forest section was at the same time the smallest unit of input data, mostly taken from national forest inventory data. The management scenario simulation was controlled by the target function. The target function determined the difference between actual and model optimal growing stock by tree species. Scenarios were defined by thinning intensities and length of rotation period. Different scenario results were analyzed with respect to ecological aspects regarding the forest site demands. Models were tested in the Jezersko forest management unit.