Master Calculating Biodiversity fast ⚡ – clear explanations, worked examples, OCR-aligned.
You’ll cover
• What species richness and species evenness mean.
• How biodiversity depends on both the number of species and how evenly individuals are distributed.
• Simpson’s Index of Diversity and what it measures.
• The meaning of each term in the Simpson’s Index formula.
• How to interpret high and low diversity values.
• How biodiversity values can be used to compare habitats.
What’s included
• Clear tables comparing species richness and species evenness.
• Worked comparisons of habitats with similar richness but different evenness.
• Step-by-step worked examples calculating Simpson’s Index of Diversity.
• Tables showing how to organise data for biodiversity calculations.
• Clear explanations of how to interpret calculated D values.
• Concise spec reminders embedded alongside tables to reinforce key OCR wording and expectations.
Format
Web-based textbook topic. Mobile/desktop friendly. Access with no time limit, updates included.





