木兰围场天然阔叶林疏伐作业标准地设置方式与施工作业模式对比研究

A comparative studyon the standard land setting method and logging construction mode of natural broad-leaved forest thinning operationin mulan weichang

针对天然阔叶林疏伐作业设计、施工与验收工作实际,通过在木兰围场选定具有代表性的试验区,开展不同标准地设置方式和施工作业模式,进行株数和蓄积偏差率对比分析研究。结果表明:分区布设标准地、确定保留木、全林标定采伐木、使用专业采伐队是山地天然阔叶林疏伐作业最佳选择方案。

According to thepractice of design,construction and acceptance of naturalbroad-leaved forest thin ningoperations,by selecting representative test areasin Mulan Weichang,carryingout different standardl and setting methods and construction operation modes,conduction comparative analysis andresearch on the number of plants and volume deviation rate,The results showed that the best choice for thinning operation inmountainous natural broad-leaved forest was to lay out standard plots in different district,determine reservedwoods and logging tree in the whole forest and use professional logging teams.