【摘要】 本文将湿地松的24个数量性状,通过电子计算机进行相关聚类分析。结果表明,湿地松的中央直径、胸径、树高、树冠直径、树冠长度、冠幅平面积、树冠表面积、树冠体积、冠高比、冠径比以及侧枝总数,都与材积呈显著正相关,而枝角与材积呈负相关。更多还原

【Abstract】 Correlation cluster analysis was computerized of 24 quantitative characters ofslash pine. Results indicate that the volume of slash pine is positively correlatedwith central diameter, diameter breast height, height. crown diameter, crownlength, projected crown area, crown surface area. crown volume and the numberof lateral branches, but negatively correlated with branch angle.更多还原