Medium Ecology Weaknesses

Question 1

Simpson’s Diversity Index Formula

Answer 1

D = Sum of n(n-1) / N(N-1)

Question 2

What is random sampling.

Answer 2

A method of selecting data from a population that gives equal chance of being chosen to every single individual.

Question 3

Examples of random sampling.

Answer 3

Randomly setting up a grid of quadrat over an area and randomly selecting co-ordinates on that grid to count the number of organisms.

Or:

Transect sample by laying a long piece of tape or rope along a straight fixed line. Create a fixed area of space and then select random points on that tape to count all organisms in that fixed area.