Maths - Biodiversity

Question 1

D =

Answer 1

sum n(n-1)

Question 2

N

Answer 2

Total number of all species

Question 3

n

Answer 3

Total population of individual species

Question 4

sum of n(n-1)

Answer 4

sum of each individual’s n(n-1)

Question 5

Estimating population size:

Answer 5

N = (n1 × n2) ÷ m2

N = pop estimate
n1 = total no. individuals marked
n2 - no. individuals in second sample
m2 = no. individuals marked in second sample