n. 亚顶极群落;[生态] 亚演替顶极
1.Heaths normally develop on poor sandy well-drained soils in temperate climates and are usually subclimax communities maintained by grazing burning and sometimes cutting.
正常情况下石楠灌丛生长在温带的贫瘠,含沙的或是排水良好的土壤上,放牧,焚烧和不时地砍伐通常使石楠灌丛亚顶极群落得以维持。
2.Heaths normally develop on poor sandy well-drained soils in temperate climates and are usually subclimax communities maintained by grazing burning and sometimes cutting.
正常情况下石楠灌丛生长在温带的贫瘠,含沙的或是排水良好的土壤上,放牧,焚烧和不时地砍伐通常使石楠灌丛亚顶极群落得以维持。