10.4 - Index of Diversity and Species Richness Flashcards
(5 cards)
1
Q
What is the index of diversity?
A
the measurement that describes the relationship betweent the number of species present and how each species contributes to the total number of organisms that are present in that community
2
Q
what is a community
A
a group of populations of different species living in the same palce at the same time that interact with each other
3
Q
what is species richness
A
the number of species within a community
4
Q
Index of diversity formula
A
5
Q
Example of working out index of diversity
A
Step One: Calculate N(N-1) to find value A
Step Two: Calculate n(n-1) for each species
Step Three: Add these numbers together to find value B
