摘要
本文用方差/均值比的方法和负二项分布的数学模型,对油松飞播林种群空间格局进行了拟合及分析讨论。结果表明:油松飞播林属群团型格局,聚集度CA=1.149;负二项分布作为空间格局的理论分布是适宜的。
Analyses and discusses the spatial pattern of air-seeded forest of Pinus tabuleaformis by variance-average ratio and mathematical model of negative binomial distribution. The results showed that the spatial pattern isaggreg-ation type and the stocking (CK) =1.14. The negative binomial distribution as the theorical distribution of spatial pattern is suitable.
出处
《西北林学院学报》
CSCD
1991年第2期51-54,共4页
Journal of Northwest Forestry University
关键词
油松
飞机播种
空间格局
聚集度
Pinus tabuleaformis Carr.air-seeded forest
spatial pattern
stocking
negative binomial distribution
aggregation
