摘要
本文应用林道网密度理论,通过对单面集材与双面集材的比较,得出:①以双面集材算得的最佳林道网密度,而实际上是单面集材时,使伐区可变成本增加6.1%;②在相同条件下单面集材与双面集材的最佳林道网密度,林道间距及平均集材距离的比值。
This is a paper in which one-side yarding and two-side yarding are compared. Based on spur-density theory,Two conclusions can be drawn; (1)Two-side yarding is found increase the variable cost; (2)Under same circumstwnces the most economical spur-density is different for different yarding method.