利用线性模型检验杉木不同种源立地指数曲线模型的通用性  

An Application of Linear Model to Testing the Universal Applicability of Site Index Curves for Chinese Fir Provenances

作　　者：李希菲[1] 王明亮[1] 黄旺志 

机构地区：[1]中国林业科学研究院资源信息研究所,北京100091 [2]河南省信阳地区林业科学研究所,河南信阳464031

出　　处：《林业科学研究》1999年第5期505-509,共5页Forest Research

基　　金：国家自然科学基金

摘　　要：应用线性模型统计推断理论检验了杉木种源对立地指数曲线的影响。洪雅和鸡公山种源试验材料分析表明：（１）同一地区不同种源的立地指数不同，相同种源不同地区的立地指数也不同，这说明立地指数的差异是遗传和环境差异的综合体现；（２）不同种源立地指数曲线的斜率相同，即各种源优势高生长规律相同，因此可以用同一个模型来描述，这对杉木模型的通用性提供了很好的依据。The theory of statistical inferences for linear model was employed to test the effect of Chinese fir provenances on site index curves (dominant height growth curves).The results of analyzing two experimental farms,Hongya and Jigongshan,showed that,(1)both site indices of different provenances in the same region and those of the same provenances in different regions were both of significant difference,which suggested that variation in site indices was a combination of variation both in genetics and in environment.(2)The slope parameters of site index curves for different provenances were of no significant difference,which meant that the dominant heights of different provenances followed the same growth development.Consequently the dominant height growths of different provenances could be described by a similar growth model,which provided good evidence in support of the universal applicability of Chinese fir growth and yield models.

关 键 词：线性模型 立地指数曲线 杉木种源 

分 类 号：S722.7[农业科学—林木遗传育种]