Describe a situation in which it might be appropriate for a biologist to use a biodiversity index that incorporates both species richness and species evenness. Life from diversity consists of mosses trees grasses and forbs. Species Richness An Overview Sciencedirect Topics 2 Quantify the diversity of species in terms of richness and evenness. . Gamma Diversity landscape diversity or diversity of habitats. Diversity indices provide more information about community composition than simply species richness ie the number of species present. The index of diversity can be calculated by the formula d NN-1 sum of nn-1 where d index of diversity N total number of organisms of all species n total number of organisms of each species Use the formula to calculate the index of diversity. Tap card to see definition. Diversity indices for insect species group A associated insect species group B diversity based on pooled data from each loc...