Analiza wydajności zrywki drewna w drzewostanach bukowych

The purpose of research was to analyse the efficiency of skidding and forwarding as well as relationships between these stages in beech stand. The large−sized wood was dragged by LKT 120 skidder, while middle−sized wood was loaded on trailer with tractor URSUS C330. The regression equations for determination of skidding cycle time and daily skidding efficiency were worked out. Average skidding efficiency amounted 21,99 m3/8 lh (labour hours) for large−sized and 15,68 m3/8 lh for middle−sized wood.