摘要
采用随机抽样调查的方法,对福建省闽清峦大杉的胸径与树高生长模型进行了测定,研究的结果表明,峦大杉胸径与树高最佳相关模型为H=1.6928e0.1037D,相关系数r=0.945,剩余标准差为0.106,经显著性检验,达极显著水平,回归方程总体系统误差为-0.0153%,精度较高。
Based on random sample method, the correlated models between diameter at breast height and tree height of Cunninghamia konishii was measured. The result showed that optimal regressive equation was pbtained as H = 1. 6928e0.1037D the correlation coefficient was 0. 945, and the residual standard deviation was 0. 106, which proved to be extremely significant and the equation error was only - 0. 0153% with high precision.
出处
《林业科技》
2013年第1期13-14,19,共3页
Forestry Science & Technology
关键词
峦大杉
胸径
树高
相关模型
回归方程
Cunninghamia konishii
DBH
Tree height
Correlation model
Regression equation
