(n) (ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established, Syn. ecological succession
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
[とうき;トウキ, touki ; touki] (n) (1) (uk) dong dang gui (aromatic herb similar to dong quai, Angelica acutiloba); (2) (obsc) (See 唐当帰) dong quai (aromatic herb used to treat various gynecological symptoms, Angelica sinensis)