species richness index 度指数 ; 富度指數
Margalef richness index Margalef丰富度指数
landscape richness index 景观丰富度指数
index of richness 丰富度指数
index of relative richness 相对富裕指数
The nematode community richness index and evenness index in Grafted maofen plots were 0.55 and 0.73, which were 0.51 and 0.76 in maofen plots.
嫁接毛粉番茄根围土壤线虫群落丰富度指数为0.55，均匀度指数为0.73，毛粉番茄丰富度指数为0.51，均匀度指数为0.76。
The results showed the followings. (1)During different periods, the species richness index were different under different field management conditions.
结果如下：（1）不同时间不同管理条件下节肢动物群落的种类丰富度不一致。
The plant species richness index is not positive relevant to species evenness index for which represents the evenness extent of species distribution instead of the quantity of species.
物种丰富度指数与均匀度指数并非存在正相关关系，均匀度指数反映的是物种分布的均匀程度，并不反映其物种数量的多少。
应用推荐