金沟岭林场云冷杉林空间分布格局及更新研究

Study on Spatial Layout and Regeneration of Spruce-fir Forest in Jingouling Forest Farm

用距离方法(T-square)研究金沟岭林场主要森林类型云冷杉林的空间分布格局,经检验,2个云冷杉林分的林木空间分布格局分别为集聚分布和随机分布。其中2002年择伐的林分还没有得到恢复,因此呈集聚分布;而1988年择伐的林分已恢复了原始林的特征,其空间格局呈随机分布。由调查的更新数据可以清晰看出,研究林分更新状况很好。

The T-square study of the spatial layout of spruce-fir forest in Jingouling forest farm shows that the timber spatial layout of two spruce-fir stands are in aggregated distribution and random distribution. In detail, the stand by selective cutting in 2002 is in aggregated distribution as it isnt still renewed perfectly; while the stand by selective cutting in 1988 shows in random distribution due to the complete recovery to primitive features. The updated data of the study indicates that the stand is under very good condition of regeneration.