Biodiversity

Question 1

What was the earliest measure of biodiversity?

Answer 1

Binomial variance where p*(1-p) 
Where freq(A)= p and freq(a)= 1-p

Question 2

What is Simpsons index?

Answer 2

1-(p^2 + (1-p)^2)

Question 3

What is Shannon’s index?

Answer 3

-(p(1)log(p1) + (1-p)log(1-p))