The Correlation between Some Characteristic Elements of the Yunnan Flora and the Yunnan Ancient Planation Surface
云南一些植物特征成分与古夷平面的相关性

Judging from an eco-physiological viewpoint,the altitudes of plants generally would become lower with the increase of their latitudes.As to some characteristic elements in the Yunnan flora,however,the situation has been found to be an exception.The distribution of these elements is similar to the distribution of the Yunnan Ancient Planation Surface.That is,there is a positive correlation between the altitude and the latitude of the distribution.The difference between them is that the elevation of the Yunnan...