论文部分内容阅读
本文运用理论拟合、聚集强度、格局规模与格局强度分析方法，对光皮桦种群不同立木级的空间分布格局进行研究的结果表明：不同林型、不同立木级的光皮桦种群多呈聚集分布，而光皮桦大树将可能转变为随机分布．另外，光皮桦幼苗（树）的格局规模约为４００ｍ２，乔木的格局规模约为２００ｍ２，同时光皮桦种群幼苗（树）与乔木层的格局变化均较为急剧
In this paper, the spatial distribution pattern of different standing stages of Betula luminifera population was studied using theoretical fitting, aggregation intensity, pattern size and pattern intensity analysis. The results showed that the population of Betula luminifera population varied in different forest types and stands, Distribution, and light birch trees will likely be transformed into a random distribution. In addition, the pattern of the seedlings (trees) of Betula luminifera is about 400m2, the pattern size of trees is about 200m2, and the pattern of seedling (tree) and tree layers of Betula luminifera population changes sharply