单花单日泌蜜量与糠椴生境温湿度没有显著的相关性。
Single flower single day nectar volume and temperature and humidity habitats Tilia no significant correlation.
椴密度与树冠营巢鸟类的种类存在显著负相关关系。
The density of Manchurian linden and the tree-crown -nesting birds shows the conspicuous negative correlation.
主要成份：葡萄籽精华、欧椴精华、矢车菊、金银花提取液。
Main compositions: extract of grape PIP, Lime essence, Cornflower, Lonicera extract.
分析结果表明，紫椴枝叶解剖构造在不同纬度间存在一定差异。
Results show that there are differences in every anatomical structure of branches and leaves of T. amurensis from different latitudes.
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；
Its main research concluded the following contents: the morphological and anatomical structure of Tilia amurensis exists differences as the hoist of latitude and elevation;
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。
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。
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.
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