Tilia amurensis not only a tamous nectar trees,but also the main raw materlals ofplywoods and blockboards.It is a fine garden tree species with glorious shape,and the flowersand root are used for Chinese traditional medicine.In addition,T amurensis a secondarynatiorlal protection plants.But it attracts little attention to the theoretical study on plantpreservaIion.The researches on me corrclation between geographic variations of T amurensispopulations and its environmental influences at the levels...