陕西省辛家山林区不同海拔云杉球果、种菱及种子长度差异分析

The Length Comparison of Cones,Seeds and Seed Scales of Spruce Distributed at Different Altitudes of Xinjiashan Forest Area of Shaanxi

通过对陕西省辛家山林区不同海拔相同立地云杉母树的球果、种菱及种子(带翅)长度进行采样测定分析,阐明了各海拔间云杉母树的球果、种菱及种子(带翅)平均长度的差异及其原因,为进一步研究云杉生态、生物学习性和在该林区营建其种子园,提供了科学依据。

The length of cones,seeds and seed scales with Spruce growing at different altitudes in Xinjiashan forest area of Shaanxi province were measured and compared.The reasons for difference among the cones,seeds and seed scales were described,providing a basis for the building of seed orchard and study of the ecological and biological features of spruce.