BRAINCAKESimpson's Index of Diversity
The combination of species richness and species evenness give an indication of biodiversity.
Simpsons's index of diversity takes into account both species richness and species evenness.
It is calculated using the formula:
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Key terms in this lesson
- species richness
- The number of different species present in a particular area or community.
- species evenness
- A measure of how similar the population sizes of the different species in a community are to each other.
More in Biodiversity
- Species Evenness
- Frame Quadrats
- Estimating Population Size
- Measuring Abiotic Factors
- The Importance of Genetic Diversity
- Factors Affecting Genetic Biodiversity
- Measuring Genetic Biodiversity
- Human Influence of Biodiversity
All 33 lessons in Biodiversity · All OCR AS-level Biology topics