1·The analyses result shows that tilia and Mongolian oak are suitable for regeneration under the same arboreal species and other trees is suitable under different arboreal species.
对更新联结度的分析表明:紫椴和蒙古栎更适合于在本树种的树下更新,其它树种更适合于在非本树种的大树下更新。
2·Single flower single day nectar volume and temperature and humidity habitats Tilia no significant correlation.
单花单日泌蜜量与糠椴生境温湿度没有显著的相关性。
3·Its main research concluded the following contents: the morphological and anatomical structure of Tilia amurensis exists differences as the hoist of latitude and elevation;
主要研究以下几点内容:紫椴的形态解剖结构是否随纬度、海拔的升高而存在差异;