演替度 degree of succession 用相对值判断演替进行程度的指标。系沼田真(1961)提出的指标。即以各群落组成种的寿命(l)与顶极指数(c)、优势度(d)之乘积的总和除以种数(n),再乘以植被率(υ),所得值来表示,即演替度(DS)=[(∑c.l.d)/n.υ]。
在针阔混交林向阔叶林演替过程中,物种丰富度指数表现为较大的波动性。
In the process of secondary succession from conifer - broadleaf forest to broadleaf forest, species richness fluctuated remarkably.
演替驱动力主要有:胶林郁闭度、胶林抚育管理措施、气候和土壤条件以及胶林植被本身的生物学特性。
The main drives of succession include canopy density of rubber forest, management, climate, soil condition and the biological properties of vegetation.
运用相似学原理,组建群落间相似度方程并以此方程构建了群落演替系列;
Based on similarity theory, succession sere was constructed with the community similarity equation formed.
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