Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than they are in another. How is that in any way useful to anyone ever? Hank uses the example a of West Nile virus outbreak in Texas to show you in this episode of Crash Course: Ecology.

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Table of Contents
1) Density & Dispersion 02:03
2) Population Growth 03:07
3) Limiting Factors 03:45
a) Density Dependent 06:16
b) Density Independent 07:11
4) Exponential & Logistical Growth 08:04
5) How to Calculate Growth Rate 09:33

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