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设于喀纳斯湖区临时样地调查数据基础上,分析木本植物幼苗基本特征及优势幼苗在不同尺度上的空间分布格局。共记录到的已定木本植物幼苗591株(5种),其中西伯利亚云杉幼苗在所有指标上均占绝对优势,其次是西伯利亚红松,二者为稳定的林下组成者及幼苗库阶段的补充者。木本植物幼苗密度为1.51±0.22株/m~2、丰富度为1.64±0.17种/m~2,大多幼苗长势良以上;大尺度上各幼苗空间位置随机性较为明显,集群分布不明显,而在小尺度上,聚集性显著。西伯利亚云杉幼苗前期多以随机分布为主,后因更新主要在林窗内进行,所以小尺度上幼苗表现出高度聚集分布。
Based on the survey data of temporary sample plots in Kanas Lake area, the basic characteristics of seedlings of woody plants and the spatial distribution pattern of dominant seedlings on different scales were analyzed. A total of 591 woody seedlings (5 species) were recorded, of which Siberian spruce seedlings had the absolute superiority on all indexes, followed by Siberian pine, which were both stable undergrowths and seedling stage Of the supplement. The seedling density of woody plants was 1.51 ± 0.22 plants / m ~ 2, and the richness was 1.64 ± 0.17 species / m ~ 2. Most of the seedlings grew well above the standard. The spatial distribution of each seedling on large scale was more random, On the small scale, the aggregation is significant. Most of the seedlings of Siberian spruce were mainly randomly distributed, and the seedlings were highly aggregated on the small scale because of the update mainly in the gap.