Lecture 32. Ecological Modelling

Question 1

What is primary production influenced by ?

Answer 1

Temperature and precipitation

Question 2

What does an increase in moisture do ?

Answer 2

Reduces water stress and enhances nutrient uptake

Question 3

What does low disturbance result in ?

Answer 3

Low diversity due to competition

Question 4

What does high disturbance result in ?

Answer 4

Diversity low due to disturbance

Question 5

What is important to immediate disturbance hypothesis ?

Answer 5

Frequency and scale of disturbance

Question 6

What is species richness ?

Answer 6

The number of species in a given area

Question 7

What is species evenness ?

Answer 7

The relative abundance of species in a given area ie. how common or rare each species is

Question 8

What is diversity index ?

Answer 8

The overall measure of diversity that combines aspects of richness and eveness

Question 9

What should diversity index take into account ?

Answer 9

1. The numbers of species

2. The relative population size of each species