The final stageof a succession, called the climax by Clements and early ecologists, is likewise not predictable or of uniform composition.
演替的最终阶段，也就是克莱门茨和早期生态学家所称的顶级群落，同样是不可预测的，组成也不单一。
2
The results showed that it was a simple and practical method, which was based on the ecosystem successionstageof land types to assessment land degradation.
It is shown that the stratigraphic division and correlation are effective and have high precision according to the characteristics of each stageof the community succession.