【摘要】 本文从以下几方面对东北地区云冷杉林进行研究．１）环境背景；２）云冷杉林三个主要树种的生态属性；３）以红皮云杉、鱼鳞云杉和臭松为优势种的林分的每一植被类型的树种组成及其结构；４）影响林分的干扰因子；５）中国东北的云冷杉林的主要演替方式和过程．更多还原

【Abstract】 he following issues related to the Picea-Abies forests of the range have been studied in this paper: 1) Environmemtal settings; 2) Ecological attributes of the major tree species of the sprucde-fir forests; 3) Species composition and structure of each vegetation type of the forests dominated by Picea koraicnsis, P. jezoensis and Abies nephrolepis; 4) Disturbance factors influencing the forests; 5) General successional patterns and processes of the spruce-fir forests of the northeast China.更多还原