Introduction to Biodiversity

Dr. Mark A. McGinley Texas Tech University BIOL 5311 Summer 2011 Biodiversity

Diversity ,[object Object],[object Object],[object Object],[object Object],[object Object]

Below is a group of letters. What “variation” do you see here? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Variation Within a Group ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Variation Within a Group ,[object Object],[object Object],[object Object]

What about variation between groups?

Which Group Contains More Variation? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Group 1 is more variable ,[object Object],[object Object],[object Object]

Variation Between Groups ,[object Object],[object Object],[object Object]

Which group has more variation? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Variation Between Groups ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Which group has more variation? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Group 1 is more variable ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Which Group is Most Even? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Factors That Influence Diversity ,[object Object],[object Object],[object Object]

Which Group is More Diverse? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

This is a Tricky Question!!!!! ,[object Object],[object Object],[object Object],[object Object]

Which Sample is More Diverse? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Rank according to number of types of letters ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Compare samples 1, 3, 5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Can you come up with an equation that we can use to calculate “diversity” that we can use to compare samples?

What is “Biodiversity”? ,[object Object],[object Object],[object Object]

Biodiversity ,[object Object],[object Object]

Genetic Diversity ,[object Object],[object Object],[object Object]

Species ,[object Object],[object Object],[object Object],[object Object]

Biological Species Concept ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Biological Species ,[object Object],[object Object]

Phenotypic Variation Within Species ,[object Object],[object Object],[object Object]

Species Diversity ,[object Object],[object Object],[object Object],[object Object],[object Object]

Diversity Indices ,[object Object],[object Object],[object Object],[object Object]

Species Richness ,[object Object]

Diversity Example ,[object Object],[object Object],[object Object],[object Object]

Species Richness ,[object Object],[object Object]

Species Richness ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Which is more diverse? ,[object Object],[object Object]

Shannon Diversity Index ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Let’s Try an Example ,[object Object],[object Object],[object Object],[object Object]

Shannon Index Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Shannon Index Example ,[object Object],[object Object],[object Object],[object Object]

Shannon Index Example ,[object Object],[object Object],[object Object],[object Object],[object Object]

Shannon Index ,[object Object],[object Object],[object Object]

Shannon Index ,[object Object],[object Object]

Shannon Index Pi 0.1 ln pi -2.30259 Pi * ln pi -0.23026 0.2 -1.60944 -0.32189 0.3 -1.20397 -0.36119 0.4 -0.91629 -0.36652 0.5 -0.69315 -0.34657 0.6 -0.51083 -0.3065 0.7 -0.35667 -0.24967 0.8 -0.22314 -0.17851 0.9 -0.10536 -0.09482 1 0 0

Shannon Index ,[object Object],[object Object],[object Object],[object Object]

Shannon Index ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pielou’s Evenness Index - based on Shannon Index ,[object Object],[object Object],[object Object]

H max ,[object Object],[object Object],[object Object]

Evenness Index Example ,[object Object],[object Object],[object Object],[object Object]

Simpson’s Index ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example ,[object Object],[object Object],[object Object],[object Object]

Simpson’s Index of Diversity ,[object Object],[object Object],[object Object]

Diversity Indices ,[object Object],[object Object]

Introduction to Biodiversity

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Introduction to Biodiversity