BRAINCAKESpecies Abundance
Species abundance is the number of individuals of each species in an area. It adds the information that species richness leaves out.
Abundance can be recorded in different ways, depending on the organism:
1. Counting individuals, for example the number of limpets in a quadrat or beetles in a pitfall trap.
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Key terms in this lesson
- index of diversity
- A single number that measures the biodiversity of a habitat, taking into account both species richness and the abundance of each species.
More in Biodiversity
- Biodiversity
- The Importance of Biodiversity
- Species Richness
- Endemic Species
- Index of Diversity
- Biodiversity of Different Habitats
- Changing Biodiversity
- Allele Frequency
All 22 lessons in Biodiversity · All Edexcel AS-level Biology topics