结果表明：在林冠干扰方式下，林冠空隙（林窗）内天山云杉天然更新幼树幼苗呈现聚集分布，并在每一聚集分布中都有最大聚集强度；
The results indicate that under canopy disturbance , the naturally regenerated seedlings in the canopy gaps present a cluster distribution pattern and have a largest cluster intensity in every distribution .
林窗