Measuring Biodiversity - Topic 1

Question 1

What is percentage cover?

Answer 1

Is a measurement of proportion of an area covered by an organism and is typically used when the individual’s species is difficult to count

Question 2

What is percentage frequency?

Answer 2

Percentage frequency is the number of quadrants containing the species of interest divided by the number of quadrants sampled, expressed as a percentage

Question 3

What is species richness?

Answer 3

Species richness is the number of different species within a community or area

Question 5

What species evenness or relative species abundance?

Answer 5

Is a measure of the number of individuals of that particular species in relation to the total number of individuals of all species in the area

Question 6

What is Simpson’s Diversity Index?

Answer 6

SDI is measure of the biodiversity of an area by taking species richness and species evenness into account