最后，依据自然规律（如火灾）进行森林恢复和天然演替，避免森林的单一化，丰富森林生境类型。
Thirdly, to avoid the homogeneity of reforestation, the restoration of habitats and the process of natural regeneration must be conducted according to the rule of natural disturbance (e. g. fire).
直播造林在石质山地植被恢复中具有明显效果，自然演替恢复效果较差。
It is a useful practical technology for direct seeding in vegetation restoration, while method of natural succession can not be used.
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