The China fir grows well at basalt and quartz sandstone, but poor at clay and sand-shale. 其中以玄武岩与石英砂岩发育的土体上的杉木生长最好，依次为长石石英砂岩与变余砂岩，而以煤系砂页岩和第四纪红色粘土上的杉木生长最差。
The diversity index and species richness index of original vegetation in Karst area are lower than in nonkarst area. 石灰岩地区原生植被生物多样性和物种丰富度指数较砂页岩地区的原生植被低。
