摘要
本文采用数量化、逐步回归、径直相关分析等统计方法,建立了福建省黑荆主要分布区黑荆树皮量与立地因子之间的多元线性回归方程,以此方程对不同立地条件下黑荆树产皮量加以预测。文章指出:影响黑荆树皮量主导立地因子有土壤质地、坡位、黑土层厚度、坡形、土壤有机质含量。根据主导因子划分立地条件类型,并对立地类型质量加以评价。
Taking the measures of the statistical methods of gradual regressive, etc., this paper has set up the multifactor linear equation between the bark quantity of acacia mearnsii De Wild in the main cultivated regions arid the factors in its site, by which the bark yield of the trees in different sites can be predicted. The paper points out that the fa ctors which influence the bark quantity are soil quality, the position and the shape of the slope, the depth of humus soil, and the content of organic matter. According to the main factors, the types of sites are classified, and their quality is evaluated.
出处
《经济林研究》
1987年第1期26-31,共6页
Non-wood Forest Research
