density of crown cover
常見例句
- The species component, density and index of crown cover in the tree layer effect on distribution of illumination and under plants in the plant community.
群落中光照的分布狀況受喬木層的種類組成、密度與冠幅指數(shù)等因子的影響，且對下層植物分布有較大的作用。 返回 density of crown cover