Course

Ecology

Study Pack

Set 17 Species Diversity

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Question 1

(Multiple Choice)

Free
Diversity indices are

A) Graphical plots of numbers of individuals against rank
B) A measure of the numbers of species in an area and the relative distributions of individuals among species
C) A measure of species richness
D) Measures of species individuality
E) Equivalent to the inverse of species richness

Answer

Question 2

(Multiple Choice)

Free
A community has three species, one with 30 individuals, one with 70, and the last with 100. What is the value of the Gini-Simpson index?

A) 0.0225
B) 0.1225
C) 0.395
D) 0.5
E) 0.605

Answer

Question 3

(Multiple Choice)

Free
A community has four species, two with 20 individuals and two with 30 individuals. What is the value of the Shannon index?

A) -0.322
B) -1.0
C) 1.366
D) 0.039
E) 0.666

Answer