| Abstract: | The main vegetation types and distributional characteristics in the Qilian Mountain region were studies. It is shown that characteristic of the Vegetation is evidanced by eeo-geography marginal effect and plateau zone law. The vegetation of this region is affected considerably by the vegetation around the Qilian Mountain region, but is advantageous for all kinds of alpine vegetations, and has an evident similarity and an extensive unanimity with those of Qinghai-Xizang Plateau. On the other hand, the vegetation of the area has its specificity difference with the plateau plane. So, the authors consider to classify the Qilian Mountain region as the secondary unit of the Qinghai-Xizang Plateau vegetation region. |
